TSM600-250F-RA-2

Description：PTC RESET FUSE 250V 250MA 4SMD
Series：PolySwitch®, TSM
Mfr：Littelfuse Inc.
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:fbf6365b2f9e Category: PTC Resettable Fuses Brand: Littelfuse Inc.

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Product introduction

TSM600-250F-RA-2 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 4SMD. Review the specifications below when checking this part for your BOM.

Ptc Resettable Fuses specifications for TSM600-250F-RA-2

Description：PTC RESET FUSE 250V 250MA 4SMD
Series：PolySwitch®, TSM
Mfr：Littelfuse Inc.
Package：Tape & Reel (TR),Cut Tape (CT)
Type：Polymeric
Voltage - Max：250V (600V Int)
Current - Hold (Ih) (Max)：250 mA
Current - Trip (It)：860 mA
Current - Max：3:00 AM
Time to Trip：6 s
Resistance - Initial (Ri) (Min)：1 Ohms
Resistance - Post Trip (R1) (Max)：5 Ohms
Resistance - 25°C (Typ)：-
Operating Temperature：-40°C ~ 85°C
Grade：-
Qualification：-
Ratings：-
Mounting Type：Surface Mount
Package / Case：4-SMD
Size / Dimension：0.681" L x 0.425" W (17.30mm x 10.80mm)
Height - Seated (Max)：-
Thickness (Max)：0.461" (11.70mm)
Lead Spacing：-

Ptc Resettable Fuses datasheet and documents for TSM600-250F-RA-2

TSM600-250F-RA-2

Ptc Resettable Fuses Overview

The Littelfuse TSM600-250F-RA-2 is a PolySwitch resettable PTC fuse designed for surface mount applications. It features a hold current of 0.25 A and a trip current of 0.86 A, with a maximum voltage rating of 250 VDC and an interrupt rating of 600 V. The device has a maximum resistance of 3 Ohms and can handle a maximum fault current of 3 A. Power dissipation is rated at 2 W. Physical dimensions are approximately 17.6 mm in length, 11.2 mm in width, and 11.7 mm in height.

Ptc Resettable Fuses Feature Summary

Provides fast time-to-trip overcurrent protection
Features low parasitic capacitance and flat impedance with frequency
Available as resistance sorted and matched devices

Ptc Resettable Fuses Applications

Telecom circuit protection
PCB overcurrent safeguarding
Portable electronic device circuits

Ptc Resettable Fuses Procurement Notes

Verify the specific datasheet version to confirm exact physical dimensions and electrical tolerances. Ensure compatibility with surface mount reflow soldering profiles. Check for moisture sensitivity levels if storage conditions exceed specified limits. Confirm that the 250VDC rating aligns with the target circuit's operating voltage requirements.

Ptc Resettable Fuses Selection Notes

Select this component when a compact surface mount solution is required for low-current DC circuits. The 0.25 A hold current suits sensitive electronics needing precise protection. Consider the 3 Ohm resistance impact on signal integrity. Verify that the 11.7 mm height fits within the assembly clearance constraints.

Ptc Resettable Fuses Part Context

This part belongs to the Littelfuse TS Series of PolySwitch resettable fuses. These components utilize polymeric positive temperature coefficient technology to provide automatic reset functionality after fault conditions clear. The series is engineered for high reliability in consumer and industrial electronics.