What changed in this filing

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Item 1. Business

2026-02-19 compared with 2025-03-13 · 89 added, 66 removed, 208 unchanged (43% of the section changed)

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Founded in 1927, Littelfuse is a diversified, industrial technology manufacturing company empowering a sustainable, connected, and safer world.

Across more than 20 countries, and with approximately 16,000 global associates, we partner with customers to design and deliver innovative, reliable solutions.

Serving over 100,000 end customers, our products are found in a variety of industrial, transportation and electronics end markets – everywhere, every day.

Across more than 20 countries, and with approximately 17,000 global associates, the Company leverages its position as a scaled supplier of passive electronics and protection components, complemented by high-value-add power semiconductor capabilities.

Our market leadership and extensive brand equity are underpinned by a broad, multi-technology portfolio that addresses the critical needs of our global customer base.

As our end markets transition toward higher power and energy density, customers face escalating challenges related to system safety and energy efficiency.

Consequently, our essential technologies are increasingly integral to our customers' evolving architectures.

Our engineering teams are frequently embedded within our customers' research and development ("R&D") processes, collaborating on the design-in of next-generation solutions.

The Company maintains a robust global manufacturing and operational footprint, strategically located in-region with both customers and supply chain partners.

This provides a significant competitive advantage, enabling us to navigate complex and evolving environments with agility.

Our financial performance is characterized by resilient profitability and strong cash flow generation, reflecting the value proposition of our mission-critical products and our diverse end-market exposure.

With a strong balance sheet providing significant capital allocation flexibility, we are well-positioned to pursue both organic and inorganic growth opportunities.

We believe the increasing demand for high-power solutions provides a long-term runway to expand our content per platform and drive sustainable margin enhancement.

The Company conducts its business through three reportable segments:

Electronics, Transportation, and Industrial.

Within these segments, the Company designs, manufactures and sells electronic components, modules and subassemblies to empower the long-term secular growth themes of sustainability, connectivity and safety.

The Company has positioned itself within the center of these global structural growth themes by helping to enable its customers’ applications focused on a more sustainable, connected, and safer world.

The ever-increasing complexity of applications surrounding these themes continues to drive greater demand for the Company’s innovative, reliable products and a higher level of product content within a broad range of applications.

With its expanding, diversified, product portfolio, the Company has evolved its presence across the industrial, transportation and electronics end markets it serves.

The Company's exposure with each of these end markets is relatively balanced.

With a deep list of target applications within each primary end market, the Company believes its balanced approach positions its business for long-term sustainability, increases diversification and creates additional growth opportunities.

Across electronics end markets, product demand is largely driven by electrification, energy and power efficiency, automation, connectivity, artificial intelligence, and safety.

In transportation end markets, including passenger and commercial vehicles, the ongoing electronification and electrification of applications is driving increased product demand.

Across industrial end markets, product demand is driven by an ecosystem that continues to advance sustainability, safety and automation capabilities.

For example, renewables, including solar and wind energy, and energy storage systems that enable lower carbon emissions, the ongoing proliferation of electric vehicle charging infrastructure, more efficient climate control units, increasing requirements for electrical safety, the rising demand for factory and process automation, and motor drives and power supplies.

Within these segments, the Company designs, manufactures, and markets a comprehensive suite of electronic components, modules, subassemblies, and integrated solutions.

Our technologies are engineered to meet the stringent requirements of customers transitioning toward higher power and increased energy density architectures.

To capitalize on the rapid evolution of our end markets, we have prioritized high-growth strategic market opportunities.

These include:

data centers and data center infrastructure, aerospace and defense, battery energy storage and grid & utility infrastructure.

For segment and geographical information and consolidated net sales and operating income, see Item 7, Management’s Discussion and Analysis of Financial Condition and Results of Operations and Note 16, Segment Information, of the Notes to Consolidated Financial Statements included in this Annual Report.

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semiconductor products such as discrete transient voltage suppressor (“TVS”) diodes, TVS diode arrays, protection and switching thyristors, silicon and silicon carbide metal-oxide-semiconductor field effect transistors (“MOSFETs”) and diodes, and insulated gate bipolar transistors (“IGBT”) technologies.

The segment covers a broad range of end markets, including industrial motor drives and power conversion, automotive electronics, electric vehicle and related charging infrastructure, aerospace, power supplies, data centers and telecommunications, medical devices, alternative energy and energy storage, building and home automation, appliances, and mobile electronics.

The segment covers a broad range of end markets, including data center – computing and communication, data center and communications infrastructure, industrial controls, building controls, aerospace and defense, appliances, consumer electronics solutions, healthcare solutions, industrial equipment, energy storage, diversified industrials, grid and utility infrastructure, renewable energy, passenger vehicles, and commercial vehicles.

• Transportation Segment:

Consists of a wide range of circuit protection, power control and sensing technologies for global original equipment manufacturers (“OEMs”), Tier-one suppliers and parts and aftermarket distributors in passenger vehicles, heavy-duty truck and bus, off-road and recreational vehicles, material handling equipment, agricultural machinery, construction equipment and other commercial vehicle end markets.

Consists of a wide range of circuit protection, power control and sensing technologies for global original equipment manufacturers (“OEMs”), Tier-one suppliers and parts and aftermarket distributors in passenger vehicles, heavy-duty truck and bus, off-road and recreational vehicles, material handling, agricultural equipment, construction equipment and other commercial vehicle end markets.

Passenger vehicle products are used in internal combustion engines, hybrid and electric vehicles including blade fuses, battery cable protectors, resettable fuses, high-current fuses, high-voltage fuses, and sensor products designed to monitor the occupant’s safety and environment as well as the vehicle’s powertrain.

Commercial vehicle products include fuses, switches, circuit breakers, relays, and power distribution modules and units used in applications serving a number of end markets, including heavy-duty truck and bus, construction, agriculture, material handling and marine.

Commercial vehicle products include fuses, switches, circuit breakers, relays, and power distribution modules and units used in applications serving a number of end markets, including heavy-duty truck and bus, off-road and recreational vehicles, material handling, agriculture equipment, construction equipment, and ship, marine and train.

• Industrial Segment:

Consists of industrial circuit protection (industrial fuses), protective and monitoring relays (protection relays, residual current devices and monitors, ground fault circuit interrupters, solid state switches, and arc fault detection devices), and industrial controls and sensors (contactors, transformers, and temperature sensors) for use in various applications such as renewable energy and energy storage systems, industrial safety, factory automation, electric vehicle infrastructure, HVAC systems, non-residential construction, MRO, and mining.

In February 2021, the Company announced its five-year strategic plan which builds upon its strengths from its previous strategy.

The Company is well-positioned within the center of the global structural growth themes of sustainability, connectivity, and safety, which will continue to drive increased demand for the Company’s products across the transportation, industrial and electronics end markets that it serves.

The Company is targeting average annual organic sales growth of 5-7 percent and average annual sales growth from strategic acquisitions of 5-7 percent.

The Company expects to achieve this through content and share gains, expanded presence in high-growth markets and geographies, and targeting adjacent high-growth and niche applications.

The Company continues to drive commercial excellence through investments in its people, customer-driven innovation, strategic acquisitions and integration of these businesses, and its digital infrastructure to improve the customer experience, and its operating systems.

These investments enable the Company to capitalize on growth opportunities where technologies and applications are converging across its product segments.

Consists of industrial circuit protection (industrial fuses), protective and monitoring relays (protection relays, residual current devices and monitors, ground fault circuit interrupters, solid state switches, and arc fault detection devices), and industrial controls and sensors (contactors, transformers, and temperature sensors) for use in various applications such as data center – computing and communication, data center and communications infrastructure, industrial controls, building controls, grid and utility infrastructure, construction, renewable energy, HVAC, processing and extracting, and energy storage.

In 2025, the Company underwent a CEO and CFO transition, with new management focused on leveraging technology leadership and a diverse product portfolio to drive long-term growth, enhanced profitability and best-in-class shareholder returns.

While the Company plans to unveil our long-term strategy at a May 14, 2026 Investor Day, the Company has identified three primary strategic priorities which are guiding day-to-day operations and execution:

• Enhance Focus to Capitalize on Future Growth Opportunities:

The Company is sharpening our focus on secular growth trends, particularly the industry transition toward higher voltage and higher energy density applications.

This involves a more structured approach to evaluating secular opportunities and leveraging global teams' insights into meaningful technology evolutions.

Furthermore, the Company will continue to utilize disciplined, strategic acquisitions to enhance our long-term technology positioning and broaden our market reach in critical infrastructure and power distribution.

• Provide More Complete Solutions for a Broader Set of Customers:

The Company aims to increase engagement with market leaders by transitioning from a siloed, product-centric approach to a collaborative, market-facing sales structure.

This realignment will allow the Company to work more closely with customers across segments to solve complex challenges around safe and efficient power transfer using our full technology portfolio.

By collaborating on future technology roadmaps, the Company can better inform our R&D efforts and increase our product content across diverse and high growth end markets.

• Drive Further Operational Excellence to Amplify Long-Term Performance:

The Company is committed to enhancing long-term profitability by applying best-in-class operating practices across our global organization.

This priority includes the establishment of a Global Operations team focused on safety, quality, delivery, cost, and inventory to drive performance improvements across our manufacturing sites.

The Company intends to further optimize our operating structure and footprint to support long-term growth priorities and maintain resilient profitability through market cycles.

Recent Acquisitions

• Basler Electric:

On December 11, 2025, the Company completed the acquisition of Basler Electric Company ("Basler").

Basler is a leading designer and manufacturer of innovative electrical control and protection solutions for high-growth industrial markets including grid and utility infrastructure, power generation and data center.

The acquisition aligns with the Company’s strategic priorities and enhances our presence in these and other markets.

Basler adds expertise in high-voltage excitation and high-energy protection systems.

Basler’s solutions result in a more complete technology offering for the Company’s Industrial Segment, providing broader access to a deeply embedded industrial customer base.

Basler also provides opportunities to leverage design and operational footprint enhancements across both Basler and core Littelfuse locations.

Basler had annualized sales of approximately $130 million.

The business is reported within the Company’s Industrial segment.

The total purchase consideration was $350.3 million, net of cash acquired, subject to a working capital adjustment.

The acquisition was funded with the Company's cash on hand.

• Dortmund Fab:

On December 31, 2024, the Company completed the acquisition of a 200mm wafer fab located in Dortmund, Germany (“Dortmund Fab”) from Elmos Semiconductor SE.

The Dortmund Fab will increase power semiconductor capacity to support opportunities across a broad base of industrial end markets including energy storage, automation, motor drives, renewables, power supplies, and charging infrastructure.

The total purchase price for the Dortmund Fab is approximately 94 million Euro, of which a 37.2 million Euro down payment (approximately $40.5 million) was recorded in Prepaid expenses and other current assets in the Consolidated Balance Sheets.

The down payment was paid in the third quarter of 2023 after regulatory approvals, and 56.7 million Euro was paid at closing.

The transaction did not have any impact on the Company's 2024 financial results and reported in the Electronics-Semiconductor business within the Company’s Electronics segment.

The Dortmund Fab enhances the resilience and reliability of our power semiconductor supply chain thereby strengthening our ability to support a broad base of industrial end markets, including energy storage, automation, motor drives, renewables, power supplies, and charging infrastructure.

The total purchase price for the Dortmund Fab was approximately €94 million, of which a €37.2 million down payment (approximately $40.5 million) was paid in the third quarter of 2023 after regulatory approvals, and €56.7 million (approximately $58.8 million) was paid at closing.

The business is reported in the Electronics-Semiconductor business within the Company’s Electronics segment.

The acquisition was funded with the Company’s cash on hand.

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The business is reported within the Company’s Industrial segment.

The Company financed the transaction with cash on hand.

The acquisition was funded with the Company’s cash on hand.

• C&K Switches:

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Founded in 2005, Embed is a proven provider of embedded software and firmware developed for a broad range of applications serving transportation end markets, primarily including commercial vehicle electronification and eMobility.

The business is included in the commercial vehicle business within the Company's Transportation segment.

The business is included in the

commercial vehicle business within the Company's Transportation segment.

The acquisition was funded with the Company’s cash on hand.

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The Company designs, manufactures and sells electronic components and modules empowering its customers’ applications focused on a more sustainable, connected, and safer world.

The ever-increasing advancements of applications surrounding these themes continues to drive greater demand for the Company’s innovative, reliable products and a higher level of product content within a broad range of applications.

The ever-increasing advancements of applications surrounding these themes continue to drive greater demand for the Company’s innovative, reliable products and a higher level of product content within a broad range of applications.

Technologies within the Electronics segment provide protection, power control and sensing capabilities.

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Products include a comprehensive portfolio of semiconductor components and modules including thyristors, MOSFETs, rectifiers and fast recovery diodes, IGBTs and wide band gap devices, and medium and high-power industrial applications.

The acquisition of C&K Switches in 2022 significantly expanded the Company's electromechanical switches and interconnect solutions portfolios, which primarily serves industrial, transportation and datacom applications.

The acquisition of the Dortmund Fab in fiscal year 2025 expanded the Company’s power semiconductor capacity to support industrial application opportunities including energy storage, automation, motor drives, renewables, power supplies, and charging infrastructure.

The acquisition of the Dortmund Fab in fiscal year 2025 enhances the resilience and reliability of our power semiconductor supply chain thereby strengthening our ability to support a broad base of industrial end markets, including energy storage, automation, motor drives, renewables, power supplies, and charging infrastructure.

Through the growth of its product portfolio within the segment, the Company has expanded its presence across the industrial, transportation and electronics end markets it serves.

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Sensing technologies are used in a variety of applications including occupant safety, speed, solar, fluid, position, harness, and battery management systems.

The Company’s commercial vehicle business includes a variety of products including power distribution modules and units, low and high current switches, circuit breakers, relays, battery management products, ignition key switches, and trailer

These products are used in applications largely serving commercial vehicle end markets including heavy-duty truck, construction, agriculture, material handling and marine.

Products are sold directly to a mix of OEMs, Tier One suppliers, aftermarket channels, as well as through general distribution.

The acquisition of Carling Technologies in 2021 significantly expanded the Company's presence in commercial vehicle end markets.

The product portfolio, including switching, circuit protection and power distribution products portfolios, are primarily used in commercial vehicle applications, as well as certain telecom and datacom applications.

The product portfolios, including switching, circuit protection and power distribution products portfolios, are primarily used in commercial vehicle applications, as well as certain telecom and datacom applications.

The Company expects to continue to expand its presence across its transportation end markets, leveraging its strong OEM and Tier One customers, distribution partnership and go-to-market strength, and by continuing to expand its product portfolio through organic and inorganic investments.

Industrial Segment

The Company designs and sells a broad range of industrial fuses, industrial controls (protection relays, contactors, transformers, residual current devices, ground fault circuit interrupters, residual current monitors, and arc fault detection devices) and temperature sensors for use in various applications such as renewable energy and energy storage systems, industrial safety, factory automation, electr ic vehicle infrastructure, HVAC systems, non-residential construction, MRO, and mining.

The Company designs and sells a broad range of industrial fuses, industrial controls (protection relays, contactors, transformers, residual current devices, ground fault circuit interrupters, residual current monitors, and arc fault detection devices) and temperature sensors for use in various applications such as data center – computing and communication, data center and communications infrastructure, industrial controls, building controls, grid and utility infrastructure, construction, renewable energy, HVAC, processing and extracting, and energy storage.

These products are used to protect personnel and equipment from excessive currents, over voltages, and electrical shock hazards.

Products are sold direct to OEMs, and through both electrical and electronics distribution channels.

The 2021 acquisition of Hartland expanded the Company’s contactors and transformers product portfolios, which primarily services HVAC and electric vehicle charging applications.

The 2023 acquisition of Western Automation expanded the Company's electrical shock protection devices portfolios, which primarily serves a broad range of high-growth end markets, and includes electric vehicle charging infrastructure, industrial safety and renewables.

The Company expects to continue to expand its presence across its end markets, leveraging its growing customer base, and go-to-market strength, and by continuing to expand its product portfolio through organic and inorganic investments in high growth, niche applications.

and enhances our presence in mission-critical markets such as grid and utility infrastructure, power generation, and data centers.

The 2025 acquisition of Basler adds expertise in high-voltage excitation and high-energy protection systems.

Basler’s solutions result in a more complete technology offering for the Company’s Industrial Segment, providing broader access to a deeply embedded industrial customer base.

Basler also provides opportunities to leverage design and operational footprint enhancements across both Basler and core Littelfuse locations.

PRODUCT DESIGN AND DEVELOPMENT

The Company employs scientific, engineering, and other personnel to continually improve its existing product lines and to develop new products at its research, product design, and development (“R&D”) and engineering facilities with primary locations in Canada, China, France, Germany, India, Ireland, Italy, Japan, Lithuania, Mexico, Philippines, Spain, Taiwan (China), United Kingdom ("U.K."), and the U.S.

The Company employs scientific, engineering, and other personnel to continually improve its existing product lines and to develop new products at its R&D and engineering facilities with primary locations in Canada, China, France, Germany, India, Ireland, Italy, Japan, Lithuania, Mexico, Philippines, Spain, Taiwan (China), United Kingdom ("U.K."), and the U.S.

The Company maintains a staff of engineers, chemists, material scientists and technicians whose primary responsibility is to design and develop new products.

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The Company’s strategy is to prequalify suppliers for quality assurance and supply continuity, as much as possible, to localize supply sources close to its manufacturing sites.

This helps to minimize the transportation of materials, and ultimately reduces the Company’s environmental footprint by decreasing emissions, consistent with its sustainability strategy.

This helps to minimize the transportation of materials and ultimately reduces the Company’s environmental footprint by

decreasing emissions, consistent with its sustainability strategy.

For critical materials, the Company looks to diversify its supplier base by prequalifying second sources.

SALES AND MARKETING

The Company goes to market through selling organizations consisting of worldwide direct sales personnel, distribution partners and manufacturers’ representatives.

The direct sales force closely works with global OEM, Tier One automotive, consulting engineers, and major end customers to design-in and sell all of the Company’s products.

The Company has sales offices and direct sales channels in a number of countries around the world.

The Company's channel partners provide fulfillment services for its end customers, including those partnered with electronic manufacturing services ("EMS"), as well as some demand creation activities.

In 2025, the Company strategically realigned its sales structure to more effectively leverage its market-leading technology portfolio across its reportable segments, which serves a diverse customer base.

This reorganization established three market-facing sales organizations led by executives with deep expertise in our evolving end markets.

This sales force evolution is designed to be customer-centric and highly engaged, providing clients with streamlined access to our comprehensive suite of technologies.

This transition from a historically siloed, product-centric model to an integrated market-facing approach offers two primary strategic advantages.

First, it enables our teams to partner more closely with customers to solve complex technical challenges using our full breadth of products.

Second, it facilitates deeper collaboration on future technology roadmaps, allowing customer insights to directly inform and prioritize our R&D investments.

We believe this evolution enhances our visibility into emerging market trends and strengthens our long-term competitive position.

Electronics Segment

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In selected areas, the Company also uses distributors to service smaller customers and to provide supply chain fulfillment for certain customers.

The Company also leverages its transportation customer relationships to sell products from the Electronics and Industrial segments into transportation end markets, primarily to Tier One and OEM automotive customers.

Respective revenues are reported in the Electronics and Industrial segments.

Industrial Segment

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Sales to Arrow Electronics, Inc., which were reported in our Electronics, Transportation, and Industrial segments, were 9.5%, 9.4%, and 11.2% of consolidated net sales in 2025, 2024, and 2023, respectively.

No other single customer accounted for more than 10% of net sales during any of the last

No other single customer accounted for more than 10% of net sales during any of the last three years.

During fiscal 2025, 2024, and 2023, net sales to customers outside the U.S.

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In the Transportation segment, the Company’s competitors include Eaton Corporation, Pacific Engineering, MTA (Meccanotecnica Codognese), Amphenol Corporation, Sensata Technologies Holding NV, and TE Connectivity Ltd.

In the Industrial segment, the Company’s major competitors include Eaton Corporation, GE Multilin, and Mersen.

In the Industrial segment, the Company’s competitors include Eaton Corporation, GE Multilin, and Mersen.

The Company believes that it globally competes on the basis of innovative products, the breadth of its product line, the quality, design and performance of its products based on their reliability, consistency and safety, its technical capabilities, its global footprint and application expertise, and the responsiveness of its customer service.

The backlog of unfilled orders at December 28, 2024 was approximately $664.9 million, compared to $1,046.9 million at December 30, 2023 with the decrease primarily driven by a reduction in the semiconductor business within the Electronics segment.

The backlog of unfilled orders at December 27, 2025 was approximately $1,070.9 million, compared to $664.9 million at December 28, 2024 with the increase across all segments.

Substantially all the orders currently in backlog are scheduled for delivery in 2026.

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This includes establishing and implementing global policies and programs for leadership and employee development, compensation, benefits, workforce planning, human resources systems, and ensuring effective and efficient internal company operations.

The CHRO is responsible for developing and integrating the Company’s diversity, inclusion, and belonging strategy in its business operations.

The CHRO is responsible for developing and integrating the Company’s culture strategy across all business operations.

The Chief Executive Officer ("CEO") and CHRO regularly update the Company's Board of Directors on human capital matters.

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The power of a team environment where everyone can contribute and thrive allows us to enact our strategy and deliver results today and into the future.

As part of driving sustainable success, the Company values and celebrates diversity in every aspect of work with customers, suppliers, partners, and each other.

The Company's commitment to diversity, inclusion and belonging creates a collaborative environment that draws out associates’ unique capabilities that contribute to innovation, deliver bold solutions and drive growth.

Long-standing efforts supporting a diverse and inclusive workplace remain in place and continue to expand.

The Company’s employee resource groups ("ERGs") continue to expand to support broader demographics.

Existing ERGs have grown to have a presence in more countries and provide impactful development and mentoring opportunities.

Our Diversity, Inclusion, and Belonging Council, consisting of diverse global leaders from across the organization, helps to evolve and advance programs to further improve diversity, inclusion, and belonging in each region.

As part of driving sustainable success, the Company is committed to cultivating a strong, values‑driven culture that shapes how we work with customers, suppliers, partners, and one another.

This commitment creates an environment where employees feel engaged, supported, and empowered to bring forward their best ideas—fueling innovation, bold solutions, and business growth.

Long‑standing efforts to strengthen the Company’s culture continue to evolve.

Employee resource groups (“ERGs”) increasingly serve as hubs for connection, community-building, and shared learning across broader groups of employees.

These ERGs have expanded their presence globally and offer impactful development, networking, and mentoring opportunities that help employees grow personally and professionally.

Our Culture Council, composed of leaders from across the organization, provides guidance and perspective to advance initiatives that reinforce the Company’s values and enhance our culture in every region.

Talent Management, Development & Succession Planning

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The leadership development programs include a mix of internal and external programs and partnerships addressing fundamental leadership skills to engage, motivate and develop our talent at all stages of their leadership journey.

As an industrial technology manufacturing company, we are committed to building a high performing team with the skill sets, qualifications and diverse background.

In 2024, globally 51% of our employees are female and 49% are male;

24.2% of our leaders are female.

In US, 38.5% of our associates are racial or ethnic diverse, and 4.5% of our associates are Black and African American.

As an industrial technology manufacturing company, we are committed to building a high performing team with skill sets, qualifications and diverse backgrounds.

Compensation, Benefits and Employee Wellness

The Company provides compensation and benefits programs designed to be competitive and equitable to attract, retain and motivate highly qualified associates.

The Company provides compensation and benefits programs designed to be competitive and equitable to attract, retain and motivate highly qualified employees.

The components of the Company's compensation program vary by region and job-type, and include items such as base salary, performance-based bonus plans, equity awards, paid time off, and tuition reimbursement.

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Our health & wellness programs vary across countries and are tailored to the needs of our employees from location to location.

Globally, we offer comprehensive medical benefits and an employee assistance program that provides confidential

counseling and other wellbeing tools at no charge for all our employees and their families to receive support with personal, health, life, financial, or work issues.

Globally, we offer comprehensive medical benefits and an employee assistance program that provides confidential counseling and other wellbeing tools at no charge for all our employees and their families to receive support with personal, health, life, financial, or work issues.

Health and Safety

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Training and tools are provided to all appropriate individuals in order to maintain a safe and healthy work environment.

Lastly, plant leadership teams conduct weekly EHS site walk through inspections and corrective actions are tracked to completion.

Community Involvement

The Company works to affect positive change in the communities in which we work and live.

The Company works to affect positive changes in the communities in which we work and live.

Our giving and volunteerism philosophy is aligned with three pillars:

Green – environment and conservation, STEM – technology innovation, and Equity – humanitarian, community, and family.

Green – environment and conservation, Science, Technology, Engineering, and Mathematics ("STEM") – technology innovation, and Equity – humanitarian, community, and family.

These overarching pillars guide our actions while providing us with the flexibility to serve the diverse needs of our local communities.

Through corporate donations, employee donation matching, and volunteerism, we empower our teams to drive meaningful change locally and globally.

Through corporate

donations, employee donation matching, and volunteerism, we empower our teams to drive meaningful change locally and globally.

SUSTAINABILITY

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Every Littelfuse employee, customer, and partner has the potential to drive positive change – environmentally, socially, and ethically.

Together, we’re shaping a future defined by sustainable choices and conscientious actions.

Together, we are shaping a future defined by sustainable choices and conscientious actions.

Innovation and collaboration are at the heart of the Company's sustainability journey.

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Compared sentence by sentence after normalising whitespace, quotation marks, case and digits, so re-formatting and restated figures do not read as changed language. Wording changes appear as one removal and one addition. The current filing and the prior one are authoritative.

What changed 10-K

Item 1. Business