TRF600-250

$1.53

Description：PTC RESET FUSE 250V 250MA RADIAL
Series：PolySwitch®, TRF600
Mfr：Littelfuse Inc.
Package：Bulk

SKU:3f3dfa96fe67 Category: PTC Resettable Fuses Brand: Littelfuse Inc.

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Product introduction

TRF600-250 is listed in the Ptc Resettable Fuses range at ChipApex. The manufacturer field lists Littelfuse Inc.. Its product description is PTC RESET FUSE 250V 250MA RADIAL. Review the specifications below when checking this part for your BOM.

Ptc Resettable Fuses specifications for TRF600-250

Description：PTC RESET FUSE 250V 250MA RADIAL
Series：PolySwitch®, TRF600
Mfr：Littelfuse Inc.
Package：Bulk
Type：Polymeric
Voltage - Max：250V (600V Int)
Current - Hold (Ih) (Max)：250 mA
Current - Trip (It)：850 mA
Current - Max：3:00 AM
Time to Trip：1 s
Resistance - Initial (Ri) (Min)：1 Ohms
Resistance - Post Trip (R1) (Max)：7 Ohms
Resistance - 25°C (Typ)：4.3 Ohms
Operating Temperature：-40°C ~ 85°C
Grade：-
Qualification：-
Ratings：-
Mounting Type：Through Hole
Package / Case：Radial, Disc
Size / Dimension：0.591" L x 0.181" W (15.00mm x 4.60mm)
Height - Seated (Max)：0.571" (14.50mm)
Thickness (Max)：-
Lead Spacing：0.197" (5.00mm)

Ptc Resettable Fuses datasheet and documents for TRF600-250

TRF600-250

Ptc Resettable Fuses Overview

The Littelfuse TRF600-250 is a PolySwitch resettable PPTC fuse designed for overcurrent protection in electronic circuits. It features a hold current of 250 mA and a trip current of 850 mA, operating within a maximum voltage rating of 250 VDC. The device has a typical resistance of 7 Ohms and can withstand a maximum rated current of 3 A. It supports an operating temperature range from -40°C to +85°C with a radial leaded PCB mount configuration.

Ptc Resettable Fuses Feature Summary

Provides automatic circuit protection by increasing resistance during overcurrent events
Automatically resets to low-resistance state after fault clearance and cooling
Utilizes polymer positive temperature coefficient technology for reliable performance

Ptc Resettable Fuses Applications

Overcurrent protection for portable electronics
Protection for telecommunications equipment interfaces
Circuit safeguarding in automotive applications

Ptc Resettable Fuses Procurement Notes

Verify the manufacturer part number TRF600-250 against official Littelfuse documentation to ensure correct hold and trip current specifications. Confirm that the radial leaded package and PCB mounting style match the design requirements. Check for RoHS compliance status and verify the operating temperature range aligns with the application environment before procurement.

Ptc Resettable Fuses Selection Notes

Select this component when a resettable protection solution is required for circuits operating up to 250 VDC. Ensure the expected normal operating current remains below the 250 mA hold current threshold. Consider the 7 Ohm resistance impact on signal integrity or power loss. Verify that the physical dimensions fit the available PCB space and that the thermal characteristics support the ambient conditions.

Ptc Resettable Fuses Part Context

This device belongs to the TRF600 series of PolySwitch resettable fuses manufactured by Littelfuse. The series offers various hold current options to suit different circuit protection needs. These components are widely used as alternative protection devices to traditional one-time fuses in consumer and industrial electronics.