TRF250-145-B-0.5 - Littelfuse Inc.

Manufacturer Part Number

TRF250-145-B-0.5

Manufacturer

Littelfuse

Introduction

The Littelfuse TRF250-145-B-0.5 is a high-performance, resettable polymeric positive temperature coefficient (PPTC) fuse designed for circuit protection applications. This compact through-hole component offers reliable overcurrent and overtemperature protection, ensuring the safety and reliability of your electronic devices.

Product Features and Performance

Operating voltage up to 60V (250V internal)

Hold current of 145mA and trip current of 290mA

Maximum current rating of 3A

Time to trip: 5 seconds

Initial resistance of 3 ohms and post-trip resistance of up to 14 ohms

Operating temperature range of -40°C to 85°C

Compact radial disc package with a height of 11mm

Product Advantages

Resettable design for easy circuit reset and reduced maintenance costs

Robust construction for reliable performance and long lifespan

Compact size for space-constrained applications

Compliance with industry safety standards (CSA, TUV, UL)

Key Reasons to Choose This Product

Safeguard your electronic devices from overcurrent and overtemperature events

Ensure reliable circuit protection with the Littelfuse reputation for quality

Benefit from the convenience of a resettable fuse for reduced downtime

Utilize the compact design to integrate the fuse into space-limited applications

Quality and Safety Features

Compliant with CSA, TUV, and UL safety standards

Robust construction for reliable performance and long lifespan

Compatibility

The Littelfuse TRF250-145-B-0.5 PPTC fuse is compatible with a wide range of electronic devices and circuits that require overcurrent and overtemperature protection.

Application Areas

Consumer electronics

Industrial equipment

Telecommunications equipment

Automotive electronics

Power supplies

Household appliances

Product Lifecycle

The Littelfuse TRF250-145-B-0.5 PPTC fuse is an active product, and there are currently no plans for discontinuation. There are several equivalent or alternative models available from Littelfuse, such as the TRF250-125-B-0.5 and TRF250-175-B-0.5, which offer slightly different current ratings. If you require more information or assistance in selecting the appropriate model for your application, please contact our sales team through our website.