Littelfuse Inc (LFUS) Quarterly and Annual Segment Results by Country and Region - CSIMarket
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Littelfuse Inc  (NASDAQ: LFUS)

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Description of Littelfuse Inc's Business Segments


Littelfuse Inc. is a prominent global industrial technology leader dedicated to manufacturing and developing advanced protection and control solutions tailored for various sectors, primarily the industrial, automotive, and electronics markets. With a firm commitment to innovation and quality, Littelfuse presents a comprehensive assortment of products and services, categorized into three primary segments: Electronics, Automotive, and Industrial. Below is an extensive exploration of each segment, its products, services, and the companys international operations.

1. Electronics Segment
The Electronics segment of Littelfuse is crucial in safeguarding electronic devices and systems against electrical hazards. This segment encompasses a diverse range of products designed to ensure the reliability and longevity of electronic components.

Key Products:
- Fuses: Littelfuse provides an extensive collection of fuses, which are critical for protecting electronic devices from overcurrent. Categories include:
- Surface Mount Fuses: Ideal for applications requiring space efficiency on PCBs.
- Radial Leaded Fuses: Suitable for through-hole mounting in various devices.
- Cartridge Fuses: Commonly used in industrial and commercial applications.
- Micro Fuses: Targeted for use in compact electronic devices.

- Varistors: These protective devices are designed to stabilize voltage and protect against surges, including:
- Metal Oxide Varistors: Standard for general applications in voltage surge protection.
- High-Energy Varistors: Suitable for high-power applications requiring robust surge performance.
- Transient Voltage Suppressors: Focused on sensitive electronic circuits to divert excessive voltage.

- Polymer ESD Suppressors: These components prevent damage from electrostatic discharge (ESD), critical for sensitive electronic circuits and environments.

- Gas Discharge Tubes (GDTs): Employed for robust overvoltage protection in critical areas such as telecommunications, data communications, and power supply systems. GDTs can handle significant voltage spikes and provide a durable safeguard under challenging conditions.

Automotive Segment
The Automotive segment provides a comprehensive suite of products aimed at enhancing vehicle safety and functionality in modern automotive applications.

Key Products:
- Fuse Protection Modules: These innovative systems combine multiple fuses, relays, and other components into a single package, facilitating streamlined installation and ensuring reliable protection for electronic systems within the vehicle.

- Battery Management Systems (BMS): Advanced systems designed to oversee battery parameters such as voltage, current, and temperature, improving performance and extending battery life, specifically with lithium-ion technology.

- Fusebox Solutions: Littelfuse designs custom fuse boxes that integrate wiring solutions, enabling manufacturers to optimize their electrical infrastructure within vehicles.

- Lithium-ion Battery Protection Devices: Utilizing programmable electronics, these devices protect lithium-ion batteries, addressing risks like overcharging and short-circuits, crucial for electric vehicles and hybrid systems.

Industrial Segment
The Industrial segment focuses on comprehensive protection, control, and monitoring solutions for various industrial applications, ensuring operational efficiency and safety.

Key Products:
- Protection Relays: Essential for monitoring and protecting electrical power systems. Applications include overcurrent protection, promoting system reliability and safety through real-time data and alerts.

- Medium Voltage Switchgear: Littelfuse manufactures robust switchgear solutions used extensively in power distribution networks. This equipment supports reliability in industrial, commercial, and renewable energy applications.

- Power Distribution Centers: Custom-designed units bring together multiple protective devices, optimizing electrical system protection by centralizing critical components in one unit.

- Semiconductors: The Industrial segment also caters to high-powered semiconductor needs, delivering components that withstand demanding industrial environments.

International Operations
Littelfuse operates on a global scale, with a presence in various countries, enabling it to serve a wide array of markets effectively. The company has established facilities, research and development centers, and sales offices in regions including North America, Europe, Asia, and Latin America. This international footprint allows Littelfuse to respond swiftly to market demands, collaborate closely with customers, and leverage local industry expertise to provide tailored solutions.

The companys commitment to maintaining high standards of customer service and product quality is evident in its global operations, focusing not only on expanding its market reach but also investing in local partnerships and collaborations. This strategy is essential in delivering innovative solutions that meet specific regulatory standards and customer needs across different regions.

In summary, Littelfuse Inc. stands as a robust industrial technology leader, continuously expanding its product offerings and reinforcing its global operations to deliver advanced solutions across the Electronics, Automotive, and Industrial segments. With a focus on safety, reliability, and performance, it caters effectively to a diverse range of industries worldwide.


Composition of Littelfuse Inc Revenues by Segments

 
Electronics Segment    55.29 % of total Revenue
Transportation Segment    25.97 % of total Revenue
Industrial Segment    18.87 % of total Revenue
Electronics Passive Products and Sensors    28.52 % of total Revenue
Electronics Passive Products and Sensors Electronics Segment    28.52 % of total Revenue
Electronics Semiconductor    26.77 % of total Revenue
Electronics Semiconductor Electronics Segment    26.77 % of total Revenue
Commercial Vehicle Products    25.83 % of total Revenue
Commercial Vehicle Products Transportation Segment    12.02 % of total Revenue
Passenger Car Products    23.28 % of total Revenue
Passenger Car Products Transportation Segment    11.62 % of total Revenue
Automotive Sensors    4.66 % of total Revenue
Automotive Sensors Transportation Segment    2.33 % of total Revenue
Industrial Products    41.72 % of total Revenue
Industrial Products Industrial Segment    18.87 % of total Revenue
United States    75.73 % of total Revenue
China    51.81 % of total Revenue
Other countries    85.17 % of total Revenue
Electronics - Passive Products and Sensors    61.04 % of total Revenue
Electronics - Semiconductor    56.19 % of total Revenue
Electronics    117.23 % of total Revenue
Transportation    53.77 % of total Revenue
Industrial    41.72 % of total Revenue

Q1 three months ended (Mar 28 2026)
Revenues by Business Segments Revenues
(in millions $)
%
(of total Revenues)
Electronics Segment 362.78 55.29 %
Transportation Segment 170.38 25.97 %
Industrial Segment 123.81 18.87 %
Electronics Passive Products and Sensors 187.12 28.52 %
Electronics Passive Products and Sensors Electronics Segment 187.12 28.52 %
Electronics Semiconductor 175.65 26.77 %
Electronics Semiconductor Electronics Segment 175.65 26.77 %
Commercial Vehicle Products 169.50 25.83 %
Commercial Vehicle Products Transportation Segment 78.88 12.02 %
Passenger Car Products 152.74 23.28 %
Passenger Car Products Transportation Segment 76.24 11.62 %
Automotive Sensors 30.55 4.66 %
Automotive Sensors Transportation Segment 15.26 2.33 %
Industrial Products 273.76 41.72 %
Industrial Products Industrial Segment 123.81 18.87 %
United States 496.93 75.73 %
China 339.97 51.81 %
Other countries 558.85 85.17 %
Total 656.15 100 %
Electronics - Passive Products and Sensors 400.50 61.04 %
Electronics - Semiconductor 368.69 56.19 %
Electronics 769.20 117.23 %
Transportation 352.79 53.77 %
Industrial 273.76 41.72 %




Q1 three months ended (Mar 28 2026)
Revenue Growth rates by Segment Y/Y Revenue
%
Q/Q Revenue
%
Electronics Segment 18.07 % -
Transportation Segment 5.26 % -
Industrial Segment 45.33 % -
Electronics Passive Products and Sensors 25.62 % -
Electronics Passive Products and Sensors Electronics Segment 25.62 % -
Electronics Semiconductor 10.97 % -
Electronics Semiconductor Electronics Segment 10.97 % -
Commercial Vehicle Products 117.95 % -
Commercial Vehicle Products Transportation Segment 1.43 % -
Passenger Car Products 121.25 % -
Passenger Car Products Transportation Segment 10.44 % -
Automotive Sensors 102.91 % -
Automotive Sensors Transportation Segment 1.34 % -
Industrial Products 221.33 % -
Industrial Products Industrial Segment 45.33 % -
United States 150.5 % -
China 162.74 % -
Other countries 146.7 % -
Total 18.38 % -72.5 %
Electronics - Passive Products and Sensors - -
Electronics - Semiconductor - -
Electronics 150.35 % -
Transportation 117.96 % -
Industrial 221.33 % -




Q1 three months ended (Mar 28 2026)
Income by Business Segments Income
(in millions $)
%
(Profit Margin)
Total 75.15 11.45 %
Electronics 157.20 20.44 %
Transportation 49.79 14.11 %
Industrial 48.24 17.62 %
Segment Reporting, Reconciling Item, Corporate Nonsegment -34.34 -




Q1 three months ended (Mar 28 2026)
Income Growth rates by Segment Y/Y Income
%
Q/Q Income
%
Total 72.47 % -
Electronics - -
Transportation - -
Industrial - -
Segment Reporting, Reconciling Item, Corporate Nonsegment - -




Annual Report on Littelfuse Inc Divisions, Sales by Country

 
Electronics Segment   Electronics Segment Segment contribution to total sales 56.39 % of total Revenue
Transportation Segment   Transportation Segment Segment contribution to total sales 28.35 % of total Revenue
Industrial Segment   Industrial Segment Segment contribution to total sales 15.27 % of total Revenue
Electronics Passive Products and Sensors   Electronics Passive Products and Sensors Segment contribution to total sales 28.33 % of total Revenue
Electronics Semiconductor   Electronics Semiconductor Segment contribution to total sales 28.06 % of total Revenue
Commercial Vehicle Products   Commercial Vehicle Products Segment contribution to total sales 13.43 % of total Revenue
Passenger Car Products   Passenger Car Products Segment contribution to total sales 12.31 % of total Revenue
Automotive Sensors   Automotive Sensors Segment contribution to total sales 2.61 % of total Revenue
Industrial Products   Industrial Products Segment contribution to total sales 15.27 % of total Revenue
China   China Segment contribution to total sales 23.96 % of total Revenue
Other countries   Other countries Segment contribution to total sales 41.26 % of total Revenue
Electronics Electronics Semiconductor   Electronics Electronics Semiconductor Segment contribution to total sales 28.06 % of total Revenue
Electronics Electronics Passive Products and Sensors   Electronics Electronics Passive Products and Sensors Segment contribution to total sales 28.33 % of total Revenue
Transportation Commercial Vehicle Products   Transportation Commercial Vehicle Products Segment contribution to total sales 13.43 % of total Revenue
Transportation Passenger Car Products   Transportation Passenger Car Products Segment contribution to total sales 12.31 % of total Revenue
Transportation Automotive Sensors   Transportation Automotive Sensors Segment contribution to total sales 2.61 % of total Revenue
Industrial Industrial Products   Industrial Industrial Products Segment contribution to total sales 15.27 % of total Revenue
U S   U S Segment contribution to total sales 34.8 % of total Revenue


Twelve months ended 2025
LFUS s Annual Revenue by Geography and Business Segments Sales
(in millions $)
%
(of total Sales)
Electronics Segment 1,345.52 56.39 %
Transportation Segment 676.38 28.35 %
Industrial Segment 364.40 15.27 %
Electronics Passive Products and Sensors 675.94 28.33 %
Electronics Semiconductor 669.58 28.06 %
Commercial Vehicle Products 320.55 13.43 %
Passenger Car Products 293.64 12.31 %
Automotive Sensors 62.19 2.61 %
Industrial Products 364.40 15.27 %
China 571.59 23.96 %
Other countries 984.41 41.26 %
Total 2,386.04 100 %
Electronics Electronics Semiconductor 669.58 28.06 %
Electronics Electronics Passive Products and Sensors 675.94 28.33 %
Transportation Commercial Vehicle Products 320.55 13.43 %
Transportation Passenger Car Products 293.64 12.31 %
Transportation Automotive Sensors 62.19 2.61 %
Industrial Industrial Products 364.40 15.27 %
U S 830.29 34.8 %


Twelve months ended 2025
LFUS s Annual Income by Country and Business Segments Income
(in millions $)
%
(Profit Margin)
Total -71.70 -

Twelve months ended 2025
Annual Revenue and Income Growth by Country and Business Segments % Y/Y Sales Growth % Y/Y Income Growth
Electronics Segment 13.38 % -
Transportation Segment 0.59 % -
Industrial Segment 9.9 % -
Electronics Passive Products and Sensors 18.3 % -
Electronics Semiconductor 8.81 % -
Commercial Vehicle Products -0 % -
Passenger Car Products 5.5 % -
Automotive Sensors -15.45 % -
Industrial Products 9.9 % -
China 12.82 % -
Other countries 11.39 % -
Total 8.92 % -
Electronics Electronics Semiconductor 8.81 % -
Electronics Electronics Passive Products and Sensors 18.3 % -
Transportation Commercial Vehicle Products -0 % -
Transportation Passenger Car Products 5.5 % -
Transportation Automotive Sensors -15.45 % -
Industrial Industrial Products 9.9 % -
U S 3.74 % -



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