1812L150/12DR

Ptc Resettable Fuses Overview

The Littelfuse 1812L150/12DR is a surface-mount polymer PTC resettable fuse from the 1812L series. It features a hold current of 1.5 A and a trip current of 3 A. The device supports a maximum voltage of 12 VDC with a maximum fault current rating of 100 A. Initial resistance is 70 mOhms, operating within a temperature range of -40°C to +85°C. Packaged in 1812 (4532 metric) SMD format.

Ptc Resettable Fuses Feature Summary

• Provides automatic circuit protection through self-resetting polymeric positive temperature coefficient technology
• Designed for surface mount assembly on printed circuit boards
• Offers overcurrent and short circuit protection capabilities

Ptc Resettable Fuses Applications

• Portable electronic devices
• Consumer electronics
• Telecommunications equipment

Ptc Resettable Fuses Procurement Notes

Verify the specific suffix designation against official Littelfuse documentation to confirm voltage and current ratings. Ensure compatibility with standard reflow soldering profiles and check RoHS compliance status prior to integration into production designs.

Ptc Resettable Fuses Selection Notes

Select this component based on the required 1.5 A hold current and 12 VDC system voltage. Confirm that the 1812 package dimensions fit the PCB layout constraints and verify thermal management requirements for the intended application environment.

Ptc Resettable Fuses Part Context

This part belongs to the Littelfuse 1812L series of resettable fuses. These components are engineered for compact circuit protection in space-constrained applications, offering reliable performance across various consumer and industrial electronic systems.

Ptc Resettable Fuses Replacement Considerations

Consult official Littelfuse substitution guides for verified alternatives. Cross-reference parameters such as hold current, voltage rating, and package size when evaluating potential replacement options.