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You can test Littelfuse parts out in the field before placing large orders. Search for the part(s) that fit your application and place a sample order here.
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Littelfuse 2025年可持续发展报告
每个Littelfuse团队成员、客户和合作伙伴都可以带来积极的变化。浏览我们的 2025 年可持续发展报告，了解我们共同产生的影响。
查看报告推荐产品
Four Solid-State Relays in ONE
SRP4-CC Space Saving Solution Controls Multiple AC Loads
Compact 4-pole design with zero cross switching and 25A output per pole.
Low Profile Solution
SRP1-KC Half the Thickness of Traditional SSRs
Compact, low-profile (12.5mm) design with zero cross and instantaneous switching plus integrated varistor protection.
TVS Diode: DFNAK3 Series
Space-Saving, High-Surge Protection for DC and PoE Lines
Delivers robust surge protection, lower clamping voltage, and PCB space savings. Ideal for telecom dc power, power over ethernet, industrial automation, and data center infrastructure applications.
Cartridge Fuse: 828/827 Series
Compact, AEC-Q200 Fuses for High-Voltage EV Systems
High-interrupting capacity cartridge fuses designed for EV onboard chargers, power distribution units, and high-voltage automotive electronics requiring compact, reliable overcurrent protection.
TVS Diode: SZSMF6L Series
Fast-Response TVS Protection for Automotive Electronics
Automotive-grade TVS diodes. Ideal transient voltage suppression for EV powertrains, battery management systems, onboard chargers, and automotive lighting.
Isolated Gate Driver: IX3407B
Fast, Compact Gate Driver with Built-in Protection Features
Supports Si/SiC MOSFETs and IGBTs with separate outputs, UVLO, and Active Shutdown. Optimized for motor control, solar inverter efficiency, and industrial power conversion reliability.
经济实惠的高性能
SRP1-CE系列固态继电器
SRP1-CE系列：IP20可拆卸保护装置，安全且易于维护，非常适合要求严苛的区域。它是暖通空调和工业烤箱的理想选择，在成本效益和高性能之间取得了平衡。
为可持续发展、互联互通和更安全的世界提供动力
解决方案聚焦
How to Size Fuses for PV Systems
Use correct solar fuses to ensure safety. Wrong or non-Photovoltaic (PV) types can reduce reliability and increase risk.
应用聚焦
动力总成部件
了解Littelfuse解决方案如何帮助提升现代电动汽车动力总成各系统的安全性、可靠性和功能性。
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。
教育与见解
IEEE Long Island Power Symposium
This annual premiere event brings together the area's brightest minds of the power industry.
Littelfuse发布2025年第三季度业绩报告
Third Quarter 2025 Highlights: (Year-over-year comparisons unless otherwise noted) Net sales of $625 million, +10%; organic growth contributed...
Littelfuse to Acquire Basler Electric, Enhancing High-Growth Industrial Market Positioning
Expands presence in mission critical, secular growth industrial markets including grid & utility infrastructure, power generation and data center...