Littelfuse 0.1 A Resettable Fuse 30V dc PolySwitch Micro SMD SMT footprint MICROSMD010F-2

Littelfuse MICROSMD010F-2 is a 0.1 A resettable fuse designed to protect electrical and electronic circuits against excessive currents and short circuits in a compact surface mount format. It supports a maximum voltage of 30V dc and features rapid transition from low resistance to high resistance under fault conditions, enabling automatic reset once the fault is cleared and power is removed.

The fuse is part of the PolySwitch Micro SMD series with a SMT footprint size of 3225 metric (1210 imperial), featuring tin plated terminals for reliable soldering and connection stability. Its small size of 3.43 mm length, 2.8 mm width, and 0.85 mm height makes it suitable for compact PCB layouts and high-density electronic assemblies.

This device is maintenance-free with automatic reset capability lasting thousands of cycles, ideal for applications requiring consistent circuit protection without fuse replacement or holder requirements. It dissipates 0.8 watts power and operates up to 85°C, accommodating various environmental conditions.

Applications include security systems, power supplies, transformers, power switching devices, automotive and medical equipment, instrumentation and controls, computers and peripherals, audiovisual, and telecommunications systems.

PolySwitch Micro SMD series for SMT applications. 250mA trip current and 0.1A hold current for precise protection. Tin plated terminal material ensures excellent solderability. Compact dimensions suitable for high-density circuit boards.

Automatic resettable fuse mechanism preventing downtime. Maximum operating temperature 85°C for reliability in thermal stress. Power dissipation rated at 0.8W for safe operation. Used in automotive, medical, communication, and industrial electronics.

No external fuse holder needed, simplifies PCB design.

For buyers seeking dependable and space-saving overcurrent protection, the Littelfuse MICROSMD010F-2 offers excellent performance and durability. Browse our extensive selection in the Resettable Fuse category for additional compatible circuit protection solutions.