Littelfuse, Inc. (NASDAQ: LFUS): Corporate Profile & Financials

Source: Form 10-K Annual Report for the Fiscal Year Ended December 27, 2025

Quick Facts / Company Snapshot

Company Overview

Founded in 1927 and incorporated under the laws of Delaware in 1991, Littelfuse, Inc. is a global industrial technology manufacturing company empowering a sustainable, connected, and safer world. Operating across more than 20 countries with approximately 17,000 associates, the company leverages its position as a scaled supplier of passive electronics and protection components, complemented by power semiconductor capabilities. The company operates on a 52-53 week fiscal year ending on the Saturday closest to December 31; its 2025 fiscal year ended on December 27, 2025. Littelfuse serves over 100,000 end customers worldwide. As end markets transition toward higher power and increased energy density architectures, system safety and energy efficiency become critical engineering priorities. Consequently, Littelfuse engineering teams are frequently embedded within customer research and development (R&D) processes to collaborate on the design-in of next-generation solutions. The company maintains an in-region manufacturing and operational footprint close to customers and supply chain partners across the Americas, Asia-Pacific, and Europe. Littelfuse conducts its primary executive activities from its corporate headquarters at 6133 North River Road, Suite 500, Rosemont, Illinois 60018. The parent company, Littelfuse, Inc., oversees wholly owned and majority-owned operational subsidiaries structured across three principal operating and reportable segments: Electronics, Transportation, and Industrial.

Business Segments

Littelfuse manages its operations through three reportable segments:

Electronics Segment

The Electronics segment offers a broad portfolio of circuit protection, power control, and sensing products. Its circuit protection portfolio includes fuses and fuse accessories, positive temperature coefficient (PTC) resettable fuses, electromechanical switches, interconnect solutions, polymer electrostatic discharge (ESD) suppressors, varistors, gas discharge tubes, and reed switch-based magnetic sensors. Its semiconductor offering includes discrete transient voltage suppressor (TVS) diodes, TVS diode arrays, protection and switching thyristors, silicon and silicon carbide metal-oxide-semiconductor field-effect transistors (MOSFETs), rectifiers, fast recovery diodes, and insulated gate bipolar transistor (IGBT) technologies. Target end markets include computing and communications data centers, infrastructure, industrial and building controls, aerospace and defense, appliances, consumer electronics, healthcare, energy storage, renewable energy, grid and utility infrastructure, and passenger and commercial vehicles. In fiscal 2025, the Electronics segment generated net sales of $1,345.5 million (56.4% of total net sales), an increase of 13.4% compared to $1,186.8 million in fiscal 2024. Operating income for the segment was $220.1 million in fiscal 2025, up 29.6% from $169.9 million in fiscal 2024.

Transportation Segment

The Transportation segment provides circuit protection, power control, and sensing technologies to original equipment manufacturers (OEMs), Tier-One automotive suppliers, component manufacturers, and aftermarket distributors. Products for passenger vehicles cover internal combustion engine, hybrid, and electric vehicle platforms, featuring blade fuses, battery cable protectors, resettable fuses, high-current fuses, high-voltage fuses, and environmental/occupant safety sensors. Commercial vehicle products include power distribution modules and units, low and high-current switches, circuit breakers, relays, battery management devices, ignition key switches, and trailer connectors. These serve heavy-duty truck and bus, off-road, material handling, agriculture, construction, and marine end markets. In fiscal 2025, the Transportation segment recorded net sales of $676.4 million (28.3% of total net sales), up 0.6% compared to $672.4 million in fiscal 2024. Segment operating income reached $84.8 million in fiscal 2025, an increase of 44.7% compared to $58.6 million in fiscal 2024.

Industrial Segment

The Industrial segment designs and sells industrial circuit protection (industrial fuses), protective and monitoring relays (residual current devices, ground fault circuit interrupters, solid-state switches, and arc fault detection devices), and industrial controls and sensors (contactors, transformers, temperature sensors, and excitation/energy protection systems). Applications span data center infrastructure, industrial/building controls, grid and utility infrastructure, construction, HVAC, processing, energy storage, and renewable energy. In fiscal 2025, the Industrial segment reported net sales of $364.4 million (15.3% of total net sales), representating a 9.9% increase over $331.6 million in fiscal 2024. Segment operating income rose 39.5% to $59.0 million in fiscal 2025 from $42.3 million in fiscal 2024.

History and Evolution

Littelfuse was founded in 1927 and has expanded organically and through acquisitions. The company’s growth strategy relies on disciplined acquisitions to broaden its technology portfolio and expand market access in critical infrastructure, power distribution, and commercial vehicle markets. Recent acquisitions include:

• Basler Electric Company: On December 11, 2025, Littelfuse acquired Basler Electric Company (“Basler”) for a total purchase consideration of $350.3 million, net of cash acquired. Headquartered in the U.S. with annualized sales of approximately $130 million, Basler designs and manufactures electrical control and protection solutions, adding high-voltage excitation and high-energy protection systems to the Industrial segment.
• Dortmund Fab: On December 31, 2024, Littelfuse acquired a 200mm wafer fabrication facility located in Dortmund, Germany from Elmos Semiconductor SE for approximately €94 million (a €37.2 million down payment paid in Q3 2023 and €56.7 million paid at closing). The acquisition strengthens power semiconductor supply chain resilience for energy storage, automation, motor drives, renewables, and charging infrastructure within the Electronics segment.
• Western Automation: On February 3, 2023, the company acquired Western Automation Research and Development Limited for $158.3 million net of cash. Based in Galway, Ireland, Western Automation develops electrical shock protection devices for EV charging infrastructure and industrial safety (reported in the Industrial segment).
• C&K Switches: On July 19, 2022, Littelfuse acquired C&K Switches for $540 million in cash, expanding its electromechanical switch and interconnect offerings across industrial, transportation, and datacom markets.
• Embed Ltd.: On April 12, 2022, the company acquired Embed Ltd. for $9.2 million net of cash to integrate embedded software and firmware capabilities into its commercial vehicle and eMobility products.
• Carling Technologies: On November 30, 2021, Littelfuse acquired Carling Technologies for $315.5 million, enhancing its switching, circuit protection, and power distribution offerings in commercial vehicle and marine markets.
• Hartland Controls: On January 28, 2021, the company acquired Hartland Controls for $108.5 million net of cash, adding HVAC and industrial control component capabilities.

Products and Services

Littelfuse categorizes its principal offerings across core technology platforms:

• Passive Circuit Protection: Miniature, surface-mount, blade, high-current, and high-voltage fuses, positive temperature coefficient (PTC) resettable devices, polymer ESD suppressors, varistors, and gas discharge tubes designed to protect electrical architectures from overcurrent and overvoltage events.
• Power Semiconductors & Control: Discrete TVS diodes, TVS diode arrays, protection and switching thyristors, silicon and silicon carbide (SiC) MOSFETs, rectifiers, fast recovery diodes, and IGBT modules used to regulate, convert, and switch power in high-energy applications.
• Electromechanical & Power Distribution: High-performance switches, interconnect solutions, power distribution modules (PDMs), relays, contactors, and transformers designed for commercial vehicles, industrial control systems, and datacom equipment.
• Sensors & Software: Occupant safety, speed, position, fluid, solar, and temperature sensors for automotive and industrial machinery, alongside embedded firmware and software for vehicle electronification.
• Industrial Safety & Grid Protection: Ground-fault circuit interrupters, residual current monitors, arc-fault detection systems, and high-voltage excitation controls for utility grid and industrial power quality.

Brand Portfolio

The company markets products under the Littelfuse corporate brand alongside recognized specialized product line and entity brands integrated through strategic transactions. Disclosed entity and product brands include:

• Littelfuse: Core corporate brand covering circuit protection, sensing, and power control offerings globally.
• Basler Electric: Excitation control systems, protection relays, and power system protection.
• C&K Switches: Electromechanical switches, key switches, and high-reliability interconnect solutions.
• Carling Technologies: Switching, circuit breakers, and power distribution units.
• Western Automation: Electrical shock protection and residual current monitoring technologies.
• Hartland Controls: HVAC contactors, relays, and industrial controls.
• IXYS: Power semiconductors, medium/high-power discrete devices, and integrated circuits.

Geographical Presence

Littelfuse operates a global manufacturing, engineering, and administrative footprint across approximately 80 owned and leased facilities worldwide, encompassing 5.7 million square feet (3.2 million square feet owned; 2.5 million square feet leased). Primary operating countries include China, France, Germany, India, Ireland, Italy, Japan, Lithuania, Mexico, the Netherlands, the Philippines, South Korea, Spain, the United Kingdom, the United States, and Vietnam. Net sales by destination for fiscal years 2025, 2024, and 2023 were distributed as follows: For fiscal 2025, approximately 65% of net sales were generated outside the U.S., with sales to destination points in China representing approximately 24% of consolidated net sales.

Competitor Analysis

Littelfuse operates in markets characterized by intense price, technological, and delivery competition. The company competes on product innovation, product line breadth, quality, reliability, technical support, global manufacturing footprint, and customer responsiveness. Named competitors disclosed by business segment include:

• Electronics Segment: Eaton Corporation, Bourns Inc., TDK, ON Semiconductor Corporation, Infineon Technologies, STMicroelectronics NV, Semtech Corporation, and Vishay Intertechnology Inc.
• Transportation Segment: Eaton Corporation, Pacific Engineering, MTA (Meccanotecnica Codognese), Amphenol Corporation, Sensata Technologies Holding NV, and TE Connectivity Ltd.
• Industrial Segment: Eaton Corporation, GE Multilin, and Mersen.

Operating Performance and Business Drivers

In fiscal 2025, net sales increased 8.9% (or $195.5 million) to $2,386.3 million, driven by $104.5 million in higher product volumes within the Electronics products business, $32.8 million in Industrial segment growth from higher end-market demand and favorable pricing, $49.0 million in incremental sales from the Dortmund Fab acquisition, and $17.6 million in favorable foreign exchange rate movements. Gross profit reached $906.0 million (38.0% of net sales) in fiscal 2025, up 15.0% from $787.5 million (35.9% of net sales) in fiscal 2024. The gross margin expansion reflected volume leverage in passive electronic products, price realization, and operational efficiencies, alongside the absence of $13.5 million in inventory out-of-period adjustments recorded in fiscal 2024. Operating income fell 76.4% to $37.5 million in fiscal 2025 compared to $158.8 million in fiscal 2024. The primary driver of this decline was a $301.2 million non-cash goodwill impairment charge recorded in the fourth quarter of 2025 for the Electronics-Semiconductor reporting unit. The impairment resulted from lower management forecast projections for future revenue, profitability, and cash flows in the power semiconductor business (largely associated with the Dortmund Fab). In fiscal 2024, operating income was impacted by $93.5 million in non-cash impairment charges ($47.8 million in intangible asset impairments and $44.8 million in goodwill impairments across the Industrial Controls and Sensors and Automotive Sensors units). Net loss for fiscal 2025 was $71.7 million, or $(2.89) per basic and diluted share, compared to net income of $100.2 million, or $4.00 per diluted share, in fiscal 2024. Income tax expense increased to $75.3 million in 2025 (effective tax rate of 2,087.8%) due to the non-deductible nature of the $301.2 million goodwill impairment charge. Net cash provided by operating activities remained strong at $433.8 million in 2025, compared to $367.6 million in 2024.

Board of Directors and Leadership Team

As of February 19, 2026, the company’s executive officers and directors are:

Executive Officers

• Gregory N. Henderson: President, Chief Executive Officer, and Director (appointed CEO effective February 10, 2025).
• Abhishek Khandelwal: Executive Vice President and Chief Financial Officer (joined June 2025).
• Ryan K. Stafford: Executive Vice President, Chief Legal Officer, and Corporate Secretary.
• Maggie Chu: Senior Vice President and Chief Human Resources Officer.
• Peter Kim: Senior Vice President and General Manager, Industrial Business.
• Karim Hamed: Senior Vice President and General Manager, Semiconductor Products (joined August 2025).
• Deepak Nayar: Senior Vice President and General Manager, Electronics Business.
• David Ruppel: Senior Vice President and General Manager, Transportation Business.

Board of Directors

• Gordon Hunter: Chairman of the Board of Directors.
• Gregory N. Henderson: President and Chief Executive Officer.
• Kristina A. Cerniglia: Director.
• Tzau-Jin Chung: Director.
• Gayla J. Delly: Director.
• Maria C. Green: Director.
• Anthony Grillo: Director.
• William P. Noglows: Director.

Future Strategy and Business Priorities

Following executive transitions in 2025, leadership established three primary strategic priorities to guide operations ahead of a scheduled Investor Day on May 14, 2026:

• Enhance Focus to Capitalize on Future Growth Opportunities: Target high-growth secular trends transitioning toward higher voltage and higher energy density architectures. Prioritize strategic growth vectors including data centers and infrastructure, aerospace and defense, battery energy storage, and grid/utility infrastructure. Pursue disciplined acquisitions to strengthen technology positioning in power distribution and critical infrastructure.
• Provide More Complete Solutions for a Broader Set of Customers: Shift from a product-centric model to a market-facing global sales structure led by dedicated end-market executives. This alignment aims to deepen OEM collaboration, solve customer power transfer challenges, and expand content per platform.
• Drive Operational Excellence to Amplify Long-Term Performance: Establish a central Global Operations team focused on safety, quality, delivery, cost, and inventory metrics across manufacturing plants, while optimizing operating footprints to protect profitability through market cycles.

Key Strengths

• Broad Multi-Technology Portfolio: Combines passive circuit protection, power semiconductors, electromechanical switches, and sensors into integrated architectures for power efficiency and safety.
• Embedded Customer Engineering Relationships: Early design-in participation with global OEMs creates stickiness and multi-year platform visibility.
• In-Region Global Footprint: Operating ~80 manufacturing, engineering, and distribution facilities across the Americas, Asia-Pacific, and Europe reduces lead times and supply chain friction.
• Strong Cash Generation & Balance Sheet Flexibility: Consistently generates robust operating cash flow ($433.8 million in 2025), enabling continuous reinvestment, M&A, and share repurchases.
• Diversified Channel Distribution: Balanced direct sales to major OEMs and global distribution partners (such as Arrow Electronics, Future Electronics, TTI, Digi-Key, and Mouser) serving 100,000+ end customers.

Key Challenges and Risks

• Impairment and Volatility in Semiconductor Operations: Goodwill impairment of $301.2 million in 2025 underscores risks in forecasting revenue and integrating wafer fabs (e.g., Dortmund Fab) amidst changing semiconductor demand dynamics.
• Raw Material Cost Volatility: Heavy reliance on copper, zinc, tin, gold, silver, and ruthenium exposes gross margins to rapid commodity price inflation. Precious metal prices escalated significantly in late 2025.
• Trade Policies, Tariffs, and Geopolitical Pressures: Export controls, trade tensions between the U.S. and China, and extensive international tariffs impact global cost structures. Approximately 24% of 2025 sales were shipped to destination points in China.
• Acquisition Integration Risks: Realizing anticipated commercial and cost synergies from large transactions (such as Basler Electric) presents operational and internal control integration challenges.
• Product Defect and Recall Liabilities: Complex components used in mission-critical applications expose the company to potential warranty, recall, and liability claims (e.g., an ongoing customer recall investigation regarding certain fuses).
• Internal Control Maintenance: Remediated previously disclosed material weaknesses in inventory controls during 2025; requires ongoing control rigor across acquired global operating units.

Conclusion and Strategic Outlook

Littelfuse enters 2026 positioned as a diversified industrial technology supplier addressing secular trends in higher power density, vehicle electrification, renewable energy storage, and data center infrastructure. While financial results in fiscal 2025 were heavily impacted by a $301.2 million non-cash goodwill impairment in its semiconductor reporting unit, underlying operations delivered top-line revenue growth of 8.9%, gross margin expansion to 38.0%, and $433.8 million in operating cash flow. With a realigned market-facing sales structure, new executive leadership, and the strategic addition of Basler Electric, Littelfuse is prioritizing operational excellence, platform content expansion, and footprint optimization to sustain long-term profitable growth across cycles.

Official Site

The official corporate website for Littelfuse, Inc. is www.littelfuse.com, and its investor relations portal is accessible at investor.littelfuse.com.

1. Financial Statements

Disclaimer: All financial amounts below are presented in U.S. Dollars ($) with values reported in thousands (except share and per share data or unless otherwise specified), exactly as disclosed in the Consolidated Financial Statements of Littelfuse, Inc. for the fiscal years ended December 27, 2025 and December 28, 2024.

Income Statement

Balance Sheet

Cash Flow Statement

2. Subsidiaries & Joint Ventures

3. Other Investments & Holdings

4. Physical Properties

Long-Lived Assets (Net Property, Plant, and Equipment) by Country

5. Investments and Capital Expenditure

Additions to Long-Lived Assets by Geographic Region

Contractual Purchase Obligations and Commitments (at December 27, 2025)

6. Share Capital and Outstanding Shares

Frequently Asked Questions

What are the primary business segments of Littelfuse?

Littelfuse conducts its business through three reportable segments: Electronics (passive circuit protection, power semiconductors, and switches), Transportation (passenger vehicle circuit protection/sensors and commercial vehicle power distribution/relays), and Industrial (industrial fuses, protection relays, contactors, and control solutions).

What was Littelfuse’s revenue and net income in fiscal year 2025?

In fiscal year 2025, Littelfuse reported total net sales of $2,386.3 million (up 8.9% YoY) and a net loss of $71.7 million. Net income was significantly impacted by a $301.2 million non-cash goodwill impairment charge in the Electronics-Semiconductor business.

What recent acquisitions did Littelfuse complete in 2024 and 2025?

On December 11, 2025, Littelfuse acquired Basler Electric Company for $350.3 million net of cash acquired to bolster its Industrial segment with high-voltage excitation and power protection solutions. On December 31, 2024, the company acquired a 200mm wafer fab in Dortmund, Germany for approximately €94 million to enhance its power semiconductor manufacturing capacity.

Who is the Chief Executive Officer of Littelfuse?

Dr. Gregory N. Henderson was appointed President and Chief Executive Officer (and member of the Board of Directors) effective February 10, 2025.

How does Littelfuse protect its products against commodity price risks?

Littelfuse monitors raw material exposures (such as copper, zinc, gold, and silver), prequalifies secondary sources, and implements productivity improvements and customer price adjustments to offset commodity inflation.