TRF600-150 - Littelfuse Inc.

Manufacturer Part Number

TRF600-150

Manufacturer

Littelfuse

Introduction

The TRF600-150 from Littelfuse is a PolySwitch resettable fuse designed for overcurrent protection.

Product Features and Performance

Polymeric PTC resettable fuse

Radial, disc package

Through-hole mounting type

Voltage rating of 250V AC with 600V interrupting capacity

Current holding value of 150 mA

Current trip value of 300 mA

Maximum fault current handling of 40 A

Time to trip is 4 seconds

Initial resistance minimum of 6 Ohms

Post-trip resistance maximum of 17 Ohms

Operational temperature range from -40°C to 85°C

Product Advantages

Resettable functionality allowing the device to resume operation after a fault

Compact design for use in space-constrained applications

Fast time to trip for enhanced protection

Compatible with high voltage applications up to 250V AC

Key Technical Parameters

Hold current: 150 mA

Trip current: 300 mA

Maximum current: 40 A

Time to trip: 4 seconds

Initial resistance: ≥6 Ohms

Post-trip resistance: ≤17 Ohms

Operating temperature: -40°C to 85°C

Quality and Safety Features

Approval from recognized certification bodies such as CSA, TUV, and UL

Robust design to ensure a long operational life

Compatibility

Suitable for through-hole mounting

Compatible with radial and disc package circuit designs

Lead spacing of 5.00mm for standard PCB layouts

Application Areas

Overcurrent protection in consumer electronics

Industrial electronics

Telecommunication systems

Power supplies

Product Lifecycle

The product status is active, with no indication of discontinuation

Availability of replacements or upgrades to be confirmed with the manufacturer

Several Key Reasons to Choose This Product

Protects against harmful overcurrent conditions, preventing damage to sensitive components

Auto-resettable, reducing system downtime and maintenance costs

Compatible with a broad range of operating temperatures

Meets global safety and performance standards, ensuring reliability

Easy to integrate into existing designs with its standardized package and lead spacing