Littelfuse 1 A Resettable Fuse, Radial Lead Orientation, 32V dc, 100A Current Rating, AHEF100

Littelfuse AHEF100 is a 1 ampere resettable fuse designed for overcurrent and overvoltage protection in automotive and electronic circuits, operating at 32 volts DC. Featuring a radial lead orientation and compact size, this resettable fuse provides reliable and maintenance-free circuit protection for various industrial and commercial applications.

The device holds a current rating of 1 A with a trip current of 1.9 A and a time to trip of 6.2 seconds, ensuring effective circuit safeguarding without unnecessary interruptions. Its operating temperature range from -40°C to 60°C suits both cold and warm environments commonly found in automotive and equipment settings.

The fuse exhibits power dissipation of 1.4 W, with minimal resistance characteristics, making it efficient for continuous operation with minimal losses. It meets RoHS compliance and relevant automotive industry standards such as AEC-Q200, UL, CSA, and TUV approvals, reinforcing its reliability and quality for high-volume electronics assembly.

Applications include protection of automotive telematics, infotainment systems, LCD back-light heaters, power outlets, motor protection circuits, HVAC and cooling fans, and various instrumentation and control devices. The fuse automatically resets thousands of times, eliminating the need for replacement and minimizing maintenance.

Rated 1 A current with 1.9 A trip current for precise circuit protection. Radial lead orientation allows straightforward PCB mounting. Compact dimensions facilitate integration into space-constrained electronic assemblies.

Wide operating temperature range from -40°C to 60°C for versatile use. Overcurrent and overvoltage protection suitable for automotive and electronic applications. Power dissipation rating of 1.4W for efficient energy handling.

Standards compliant with RoHS, UL, CSA, and TUV certifications. Maintenance-free resettable fuse with automatic recovery after faults. Designed for high-volume electronics manufacturing and assembly processes. Suitable for telematics, power supplies, HVAC, and automotive equipment protection.

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