RUEF500

$0.73

Description：PTC RESET FUSE 30V 5A RADIAL
Series：PolySwitch®, RUEF
Mfr：Littelfuse Inc.
Package：Bag,Bag

SKU:441049afffdd Category: PTC Resettable Fuses Brand: Littelfuse Inc.

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Product introduction

RUEF500 is listed in the Ptc Resettable Fuses range at ChipApex. The manufacturer field lists Littelfuse Inc.. Its product description is PTC RESET FUSE 30V 5A RADIAL. Review the specifications below when checking this part for your BOM.

Ptc Resettable Fuses specifications for RUEF500

Description：PTC RESET FUSE 30V 5A RADIAL
Series：PolySwitch®, RUEF
Mfr：Littelfuse Inc.
Package：Bag,Bag
Type：Polymeric
Voltage - Max：30V
Current - Hold (Ih) (Max)：5:00 AM
Current - Trip (It)：10:00 AM
Current - Max：100 A
Time to Trip：14.5 s
Resistance - Initial (Ri) (Min)：10 mOhms
Resistance - Post Trip (R1) (Max)：50 mOhms
Operating Temperature：-40°C ~ 85°C
Ratings：-
Mounting Type：Through Hole
Package / Case：Radial, Disc
Size / Dimension：0.551" L x 0.120" W (14.00mm x 3.00mm)
Height - Seated (Max)：0.949" (24.10mm)
Thickness (Max)：-
Lead Spacing：0.400" (10.15mm)

Ptc Resettable Fuses datasheet and documents for RUEF500

RUEF500

Ptc Resettable Fuses Overview

The Littelfuse RUEF500 is a PolySwitch resettable PPTC fuse from the RUEF series, rated for 30V DC with a 5A hold current and 10A trip current. It features a maximum fault current rating of 100A and a maximum resistance of 50mΩ after tripping. The device operates within a temperature range of -40°C to 85°C and dissipates up to 3W. Dimensions are 14mm length, 3mm width, and 24.1mm height, with a radial lead form factor.

Ptc Resettable Fuses Feature Summary

Provides automatic overcurrent protection by increasing resistance during fault conditions
Offers reusable circuit safeguarding without requiring manual replacement
Designed for through-hole mounting on printed circuit boards

Ptc Resettable Fuses Applications

Protection of automotive circuits and wiring harnesses
Overcurrent safeguarding for telecom equipment
Power supply input protection

Ptc Resettable Fuses Procurement Notes

Verify the specific manufacturer part number against official Littelfuse documentation to ensure correct electrical ratings and package type. Confirm compliance requirements such as UL or RoHS status directly from the datasheet before procurement. Cross-reference distributor listings with original manufacturer data to avoid counterfeit components.

Ptc Resettable Fuses Selection Notes

Select this component based on its 5A hold current and 30V DC voltage rating to match circuit requirements. Ensure the application environment stays within the specified -40°C to 85°C operating temperature range. Verify that the radial lead spacing fits the target PCB layout and that the 100A fault current rating exceeds potential short-circuit levels.

Ptc Resettable Fuses Part Context

This device belongs to the Littelfuse RUEF series of PolySwitch resettable fuses. These components are engineered for reliable overcurrent protection in demanding environments. The series offers various hold currents and voltage ratings to suit diverse electronic applications across automotive, industrial, and consumer sectors.