
LITTELFUSE PolySwitch 1812L resettable PPTC fuse, 16V DC, 2A holding current, 3.5A trip current. Reliable overcurrent circuit protection.
The LITTELFUSE PolySwitch 1812L Series Resettable PPTC Fuse provides reliable overcurrent protection for electronic circuits. Designed in a compact 1812 (4532 Metric) case style, this polymeric positive temperature coefficient device helps protect sensitive components from fault conditions.
Operating at a voltage rating of 16V DC, the fuse features a holding current of 2A and a trip current of 3.5A. When an overcurrent event occurs, the device trips within 2 seconds, interrupting the fault current and safeguarding the circuit. Once the fault is removed and the power is cycled, the fuse resets itself, ensuring long-term operational efficiency without the need for replacement.
With a maximum current rating of 100A, this resettable fuse is suitable for a variety of demanding applications. It operates reliably within a broad temperature range from -40°C to 85°C, making it suitable for diverse environmental conditions.
Key Specifications
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