PSR-27561

Description：PTC RESET FUSE LOWRHO STRAP
Series：-
Mfr：Littelfuse Inc.
Package：Bulk

SKU:d89bbefaf26f Category: PTC Resettable Fuses Brand: Littelfuse Inc.

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Product introduction

PSR-27561 is listed in the Ptc Resettable Fuses range at ChipApex. The manufacturer field lists Littelfuse Inc.. Its product description is PTC RESET FUSE LOWRHO STRAP. Review the specifications below when checking this part for your BOM.

Ptc Resettable Fuses specifications for PSR-27561

Description：PTC RESET FUSE LOWRHO STRAP
Series：-
Mfr：Littelfuse Inc.
Package：Bulk
Type：-
Voltage - Max：-
Current - Hold (Ih) (Max)：-
Current - Trip (It)：-
Current - Max：-
Time to Trip：-
Resistance - Initial (Ri) (Min)：-
Resistance - Post Trip (R1) (Max)：-
Resistance - 25°C (Typ)：-
Operating Temperature：-
Grade：-
Qualification：-
Ratings：-
Mounting Type：-
Package / Case：-
Size / Dimension：-
Height - Seated (Max)：-
Thickness (Max)：-
Lead Spacing：-

Ptc Resettable Fuses datasheet and documents for PSR-27561

PSR-27561

Ptc Resettable Fuses Overview

The PSR-27561 is a PTC reset fuse manufactured by Littelfuse Inc. It belongs to the category of circuit protection components, specifically classified as a low resistance strap type device. The component is designed for self-resetting functionality within electronic circuits. According to available documentation, the part status is End of Life (EOL). The product complies with RoHS directives and is lead-free.

Ptc Resettable Fuses Feature Summary

Provides self-resetting circuit protection functionality
Constructed as a low resistance strap type device

Ptc Resettable Fuses Applications

Circuit protection in electronic systems

Ptc Resettable Fuses Procurement Notes

This component is officially listed as End of Life (EOL) by Littelfuse Inc. Procurement should verify availability through authorized distributors or secondary markets. Confirm RoHS compliance and lead-free status prior to integration. Designers are advised to evaluate replacement options due to the discontinued status.

Ptc Resettable Fuses Selection Notes

Selection requires consideration of the EOL status when planning long-term production. Verify that the low resistance strap design meets specific current handling requirements. Ensure compatibility with existing PCB layouts and thermal management strategies. Cross-reference with Littelfuse's official substitution guide for active alternatives.

Ptc Resettable Fuses Part Context

The PSR series from Littelfuse includes high-speed square body fuses designed for power semiconductor protection. However, the PSR-27561 is specifically categorized as a PTC reset fuse rather than a traditional fuse. This distinction places it within the broader circuit protection portfolio alongside diodes, triacs, IGBTs, and SCRs protection solutions.

Ptc Resettable Fuses Replacement Considerations

Consult Littelfuse official documentation for verified substitute part numbers. Evaluate active PTC reset fuses with similar low resistance characteristics. Ensure replacement components meet identical RoHS and lead-free requirements.

Explore related parts through Circuit Protection, all product categories, ChipApex homepage.

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