1812L075ZR

Ptc Resettable Fuses Overview

The Littelfuse 1812L075ZR is a surface-mount polymer PTC resettable fuse from the 1812L series. It features a maximum voltage rating of 8 VDC and a hold current of 0.75 A. The trip current is specified at 1.5 A, with a maximum resistance of 110 mΩ. The device operates within a temperature range of -40°C to +85°C and carries AEC-Q200 automotive qualification.

Ptc Resettable Fuses Feature Summary

• Automotive-grade reliability certified to AEC-Q200 standards
• Compact 1812 surface-mount package for space-constrained designs
• Self-resetting protection mechanism eliminates manual replacement

Ptc Resettable Fuses Applications

• Automotive electronic circuit protection
• Portable device power line safeguarding
• Low-voltage DC bus overcurrent protection

Ptc Resettable Fuses Procurement Notes

Verify the specific suffix 'ZR' against official Littelfuse documentation to confirm tape-and-reel packaging specifications. Ensure the selected variant matches the required 8VDC rating and 0.75A hold current for the target application. Confirm RoHS compliance status through the manufacturer's latest certification records before procurement.

Ptc Resettable Fuses Selection Notes

Select this component for applications requiring low operating voltage and compact footprint. The 1812L series offers high breaking capacity suitable for automotive environments. Compare the 110 mΩ resistance against circuit loss requirements. Ensure the 8VDC rating exceeds the system's maximum operating voltage to prevent premature tripping or damage.

Ptc Resettable Fuses Part Context

This part belongs to the Littelfuse 1812L series of polymer PTC resettable fuses. These components are designed for surface-mount assembly on printed circuit boards. The series provides overcurrent protection for sensitive electronics in automotive and industrial sectors. The 1812L family is known for its robust performance under harsh environmental conditions.

Ptc Resettable Fuses Replacement Considerations

Official substitutes include other 1812L series variants with matching electrical ratings. Verify that any replacement maintains the 8VDC maximum voltage and 0.75A hold current. Check for identical AEC-Q200 qualification if automotive use is required. Ensure the physical dimensions match the existing PCB footprint.