PRG21BC4R7MM1RA - Murata Electronics

Manufacturer Part Number

PRG21BC4R7MM1RA

Manufacturer

Murata Electronics

Introduction

PRG21BC4R7MM1RA is a PTC Resettable Fuse used for overcurrent protection.

Product Features and Performance

Ceramic PTC resettable fuse

Surface Mount design

Part of the POSISTOR® PRG series

Durable and reliable circuit protection solution

Product Advantages

Self-resetting functionality

Compact 0805 (2012 metric) package size

Ensures device protection against overcurrent conditions

Key Technical Parameters

Voltage - Max: 30V

Current - Hold (Ih) (Max): 155 mA

Current - Trip (It): 330 mA

Current - Max: 8 A

Resistance - 25°C (Typ): 4.7 Ohms

Operating Temperature: -20°C ~ 85°C

Quality and Safety Features

UL approved for safety standards

Compatibility

Designed for surface mount applications

Application Areas

Consumer electronics

Telecommunications

Automotive systems

Product Lifecycle

Not For New Designs

Availability of replacements or upgrades may be limited

Several Key Reasons to Choose This Product

Robust overcurrent protection up to 8 A

Can be reflow soldered which aligns with modern SMT process

Compatible with high-density PCB designs

Low resistance value enhancing system efficiency

Operation across a broad temperature range from -20°C to 85°C

Tape & Reel packaging for automated assembly processes