TRF250-184

$0.85

Description：PTC RESET FUSE 100V 184MA RADIAL
Series：PolySwitch®, TRF250
Mfr：Littelfuse Inc.
Package：Bag

SKU:14664f31a26b Category: PTC Resettable Fuses Brand: Littelfuse Inc.

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Product introduction

TRF250-184 is listed in the Ptc Resettable Fuses range at ChipApex. The manufacturer field lists Littelfuse Inc.. Its product description is PTC RESET FUSE 100V 184MA RADIAL. Review the specifications below when checking this part for your BOM.

Ptc Resettable Fuses specifications for TRF250-184

Description：PTC RESET FUSE 100V 184MA RADIAL
Series：PolySwitch®, TRF250
Mfr：Littelfuse Inc.
Package：Bag
Type：Polymeric
Voltage - Max：100V (250V Int)
Current - Hold (Ih) (Max)：184 mA
Current - Trip (It)：1:00 AM
Current - Max：10:00 AM
Time to Trip：1.3 s
Resistance - Initial (Ri) (Min)：1.2 Ohms
Resistance - Post Trip (R1) (Max)：3.1 Ohms
Resistance - 25°C (Typ)：-
Operating Temperature：0°C ~ 85°C
Grade：-
Qualification：-
Ratings：-
Mounting Type：Through Hole
Package / Case：Radial, Disc
Size / Dimension：0.303" Dia x 0.181" T (7.70mm x 4.60mm)
Height - Seated (Max)：0.413" (10.50mm)
Thickness (Max)：-
Lead Spacing：0.197" (5.00mm)

Ptc Resettable Fuses datasheet and documents for TRF250-184

TRF250-184

Ptc Resettable Fuses Overview

The Littelfuse TRF250-184 is a PolySwitch resettable fuse from the TRF250 series, designed for overcurrent protection in electronic circuits. It features a hold current of 180 mA and a trip current of 360 mA, with a maximum voltage rating of 60 VDC. The device has a maximum rated current of 3 A and an initial resistance of 0.8 Ohms. It operates within a temperature range of -40°C to +85°C and utilizes radial leads with a 5 mm spacing for PCB mounting.

Ptc Resettable Fuses Feature Summary

Provides automatic circuit protection by increasing resistance upon overheating due to overcurrent conditions
Restores normal conductivity after cooling down without requiring replacement
Designed for surface or through-hole PCB mounting with radial termination

Ptc Resettable Fuses Applications

Overcurrent protection for portable electronics
Protection for telecommunications equipment interfaces
Circuit safeguarding in consumer appliances

Ptc Resettable Fuses Procurement Notes

Verify the specific part number suffix against official Littelfuse documentation to confirm exact electrical characteristics and package variations. Ensure compatibility with the target application's voltage and current requirements before procurement. Cross-reference datasheet specifications for thermal derating curves and mechanical dimensions to validate integration into the design.

Ptc Resettable Fuses Selection Notes

Select this component based on the required hold current of 180 mA and the 60 VDC maximum voltage rating. Consider the 3 A maximum rated current and the 0.8 Ohm initial resistance for circuit design calculations. Evaluate the operating temperature range of -40°C to +85°C against environmental conditions. Confirm that the radial lead spacing matches the PCB footprint requirements.

Ptc Resettable Fuses Part Context

The TRF250-184 belongs to the Littelfuse TRF250 series of PolySwitch resettable fuses. This series is characterized by its ability to provide reusable overcurrent protection in low-voltage applications. The components are widely used in industries requiring reliable, maintenance-free circuit protection solutions.