Reliable Solutions for Power Tool Design
Littelfuse components enable efficient switching, precise control, and robust circuit protection in power tool design. Explore our Power Tools application page to learn more.
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Newest Fuse Plant Boosts Capacity
Our newest fuse manufacturing plant in Piedras Negras, Coahuila, Mexico delivers precision with innovative automation and also furthers our sustainability commitment.
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Named a 2025 Most Responsible Company
For the third consecutive year, Newsweek and Statista name Littelfuse as an industry leader dedicated to driving meaningful global impact.
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推荐产品
轻触开关
KSC2 Dual Circuit Technology with 3.5 mm Actuator Height
The Littelfuse|C&K innovative tactile switch series offers a 3.5 mm actuator height, lower than the KSC4 DCT with its 5.2 mm actuator height. KSC2 DCT结合了单刀双掷（SPDT）功能和电气高度规格，以紧凑、节省空间的设计提供无与伦比的功能。
AEQ101 T&R
Series: TPSMB - TPSMB150CA
The TPSMB150CA, part of the TPSMB series, is AEC-Q101 qualified for automotive use. This TVS diode protects sensitive automotive components from transient voltage, ensuring reliable performance.
SRP1 Series Solid-State Relays
High-Endurance Industrial Solid-State Relays
High reliability, fast switching and superior uptime for the most demanding applications that demand extensive on/off switching.
电子接通/中断开关
HCC&HCD系列专用接触器
Look to Littelfuse when your application demands a compact, long-lived contactor controlled by a thermostat, relay, or push button.
螺栓固定式单保险丝座
ZCASE® SMZ Series Fuse Holder
The ZCASE® SMZ Series Bolt-Down Fuse Holder simplifies installation by enabling ZCASE® high-current fuses to mount directly on an alternator, battery switch, or relay, reducing wiring and parts.
AF0025 系列 Arc-Flash 继电器
紧凑型 Arc-Flash 检测和保护解决方案
节省空间的 AF0025 继电器为保护汇流箱和面板免受破坏性弧闪提供了理想的解决方案。 该继电器可在交流或直流系统中工作，并具有内部故障安全机制。
TTP Platform
系列号：TTP
The TTape platform is a distributed temperature monitoring technology for battery packs that helps to improve the detection of localized cell overheating. 这有助于延长电池的使用寿命并提供热失控保护。
为可持续发展、互联互通和更安全的世界提供动力
Applications Spotlight
Power Train Components
Explore how Littelfuse solutions help improve the safety, reliability, and functionality of the various systems that make up the modern electric vehicle’s power train.
成功案例
Shock Block Offers Maximum Protection
Winemaking facilities often create damp environments. Read Peller Winery's approach to protect employees from possible electric shock.
解决方案聚焦
替代能源：绿色氢气
了解绿色氢气生产、最新行业趋势和 Littelfuse 解决方案，以构建绿色氢气价值链。
