RXE025

Description：PTC RESET FUSE 72V 250MA RADIAL
Series：PolySwitch®, RXE
Mfr：Littelfuse Inc.
Package：Bulk

SKU:187bb0b1f3a1 Category: PTC Resettable Fuses Brand: Littelfuse Inc.

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Product introduction

RXE025 is listed in the Ptc Resettable Fuses range at ChipApex. The manufacturer field lists Littelfuse Inc.. Its product description is PTC RESET FUSE 72V 250MA RADIAL. Review the specifications below when checking this part for your BOM.

Ptc Resettable Fuses specifications for RXE025

Description：PTC RESET FUSE 72V 250MA RADIAL
Series：PolySwitch®, RXE
Mfr：Littelfuse Inc.
Package：Bulk
Type：Polymeric
Voltage - Max：72V
Current - Hold (Ih) (Max)：250 mA
Current - Trip (It)：500 mA
Current - Max：40 A
Time to Trip：2.5 s
Resistance - Initial (Ri) (Min)：1.25 Ohms
Resistance - Post Trip (R1) (Max)：3 Ohms
Operating Temperature：-
Ratings：-
Mounting Type：Through Hole
Package / Case：Radial, Disc
Size / Dimension：0.291" Dia x 0.118" T (7.40mm x 3.00mm)
Height - Seated (Max)：0.500" (12.70mm)
Thickness (Max)：-
Lead Spacing：0.199" (5.05mm)

Ptc Resettable Fuses datasheet and documents for RXE025

RXE025

Ptc Resettable Fuses Overview

The Littelfuse RXE025 is a PolySwitch resettable fuse from the RXE series, designed for overcurrent protection in electronic circuits. It features a radial lead package with a maximum seated height of 12.70 mm. The component has a hold current of 0.25 A and a trip current of 0.5 A. It supports a maximum voltage of 72 V DC and can withstand a maximum surge current of 40 A. The device operates within a temperature range of -40°C to +85°C.

Ptc Resettable Fuses Feature Summary

Provides automatic circuit recovery after fault clearance without manual replacement
Utilizes polymer positive temperature coefficient technology for rapid response to overcurrent conditions
Designed for through-hole mounting with radial leads for standard PCB integration

Ptc Resettable Fuses Applications

Portable electronics battery pack protection
Computer peripheral interface circuits
Telecommunications equipment line protection

Ptc Resettable Fuses Procurement Notes

Verify component status as obsolete; confirm availability of direct substitutes such as 60R025XU. Ensure compatibility with existing PCB footprints and thermal requirements during transition planning.

Ptc Resettable Fuses Selection Notes

Select based on hold current of 0.25 A and voltage rating of 72 V DC. Consider the 40 A maximum surge capability and operating temperature range of -40°C to +85°C for environmental suitability.

Ptc Resettable Fuses Part Context

Part of the PolySwitch RXE series, this radial lead PTC fuse offers reliable overcurrent protection. It is manufactured by Littelfuse Inc. and utilizes polymer technology for self-resetting functionality in low-voltage applications.