Image of Latching SSRs Simplify Thermostat, HVAC, Security, and Alarm-Panel Contact Switching Designs 锁存型 SSR 简化了恒温器、HVAC、安防及报警面板的触点开关设计 发布日期:2026-04-28

多功能固态继电器可切换和锁定恒温器、暖通空调系统、火警面板、安防系统和楼宇自动化中的低功率信号。

Image of LittelfuseTDB Series Ultra-Miniature DIP Switches TDB 系列超小型 DIP 开关 发布日期:2026-04-07

Littelfuse TDB 系列超小型 DIP 开关采用镀金触头,具有可靠的导电性。

Image of Littelfuse AQ4324 Automotive Diode Arrays AQ4324 汽车二极管阵列 发布日期:2025-12-30

Littelfuse AQ4324-01ETG 双向 TVS 二极管阵列为汽车应用中的单通道电子设备提供高水平的 ESD 保护。

Image of Littelfuse SZSMF6L Series TVS Diodes SZSMF6L 系列 TVS 二极管 发布日期:2025-12-09

Littelfuse SZSMF6L 系列 TVS 二极管旨在保护敏感系统或组件免受高电压、高能量瞬变的影响。

Industrial Automation

Littelfuse technologies support the rapid growth of industrial automation worldwide.

Building Solutions

Littelfuse technologies are driving the future of smart buildings and homes. From heat pumps and smart meters to security cameras, our reliable power control solutions improve efficiency, safety, and sustainability in a rapidly growing market.

Consumer Electronics

Littelfuse powers innovation in consumer electronics and appliances. From major appliances and battery packs to smart wearables and gaming devices, our technologies support smarter, safer, and more energy-efficient products.

Emobility Infrastructure

Littelfuse technologies are powering the growth of EV charging infrastructure.

Renewable Energy

Littelfuse technologies are enabling the global transition to renewable energy. From solar and wind to battery energy storage systems, our solutions provide protection, control, and monitoring to maximize efficiency and reliability.

Data Center

Littelfuse technologies support the high-performance demands of modern data centers.

Emobility Transportation

Littelfuse is powering the transition to electric vehicles. Our technologies deliver safe, reliable, and efficient performance in battery management systems, disconnect units, and on-board chargers.

Compact SOD-123FL TVS diodes deliver 50% more peak power than SZSMF4L Series, helping engineers protect space-constrained EV and automotive electronics from high-voltage surges.

未来农业图景如何?DigiKey 发布新一季《与众不同的农场》,分享三大前瞻展望 发布日期:2025-12-03

DigiKey 宣布其知识性视频系列《与众不同的农场》第 4 季上线。

The first surface-mount fuse from Littelfuse with a 1500 A interrupting rating at 277 V. Designed to provide true buffering for 250 V applications with unpredictable voltage fluctuations, the 415 Series offers exceptional fault current protection.

The launch of two TMR-based magnetic angle sensors - the LF53466 and LF53464 - designed to deliver high-precision 0–360° angular measurement in harsh environments with minimal thermal drift.

Image of Littelfuse Omnipolar Magnetic Sensors 全极磁传感器 发布日期:2025-12-02

Littelfuse 全极磁传感器采用两个正交推挽式惠斯通电桥设计,每个电桥包含四个高灵敏度 TMR 传感元件

Image of The blade that breaks the circuit: a milestone history of the blade fuse The blade that breaks the circuit: a milestone history of the blade fuse eMagazine Articles

The fuse’s core innovation, a sacrificial element that melts to halt dangerous currents, emerged from Louis Breguet’s 1847 lightning-struck telegraph.

Image of What are the Common Design Parameters Engineers Should Consider When Selecting Solid-State Relays? 工程师在选择固态继电器时应考虑哪些常见设计参数? 发布日期:2025-10-08

固态继电器 (SSR) 问题可能源于设计参数不当:热管理、开关类型、额定电流和过压保护。

Image of Webinar – Silicon Carbide and Multi-Technology Solutions in Novel Isolated Packages 网络研讨会 - 采用新型隔离封装的碳化硅和 Multi-Technology 解决方案

了解尖端的 SiC 封装创新和保护解决方案如何克服电源设计障碍并提升系统设计水平。

Image of Littelfuse KMR6 Series Micro Miniature Tactile Switches KMR6 系列超小型触摸开关 更新日期: 2025-09-18

Littelfuse KMR6 系列超小型触摸开关采用薄型设计,高度仅 1.9 mm,非常适合空间受限的环境。