PRG18BC3R3MM1RB

Ptc Resettable Fuses Overview

The PRG18BC3R3MM1RB is a surface-mount PTC thermistor from Murata Electronics' POSISTOR series, designed for circuit protection. It features a resistance of 3.3 ohms with a 20% tolerance and a rated current of 5 A. The component operates within a temperature range of -20°C to +85°C and has a maximum voltage rating of 20 V. Packaged in an SMD/SMT format suitable for PCB mounting, it measures 1.6 mm in length, 0.8 mm in width, and 0.6 mm in height.

Ptc Resettable Fuses Feature Summary

• Provides overcurrent protection through positive temperature coefficient characteristics
• Utilizes ceramic material construction for high reliability in harsh conditions
• Designed for surface mount integration on printed circuit boards

Ptc Resettable Fuses Applications

• Circuit protection in automotive powertrain systems
• Overcurrent safeguarding for electronic control units
• Protection of LED lighting devices from overheating

Ptc Resettable Fuses Procurement Notes

Verify the specific ordering suffix against official Murata documentation to ensure correct electrical ratings and package dimensions. Confirm RoHS compliance status and lead times directly with authorized distributors or the manufacturer prior to procurement. Ensure the selected variant matches the required voltage and current specifications for the target application.

Ptc Resettable Fuses Selection Notes

Select this component based on its 3.3 ohm resistance and 5 A current rating for low-resistance circuit protection needs. Consider the 20 V voltage limit and operating temperature range when designing for automotive or industrial environments. Verify compatibility with surface mount assembly processes and footprint requirements for the specific PCB layout.

Ptc Resettable Fuses Part Context

This part belongs to the PRG18 series of POSISTOR PTC thermistors manufactured by Murata Electronics. These components are engineered for robust performance in demanding applications, leveraging advanced ceramic technology. The series is widely recognized for providing reliable overcurrent protection in various electronic systems, particularly within the automotive sector.

Ptc Resettable Fuses Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Consult Murata Electronics technical support or authorized distributors for verified cross-reference information before considering alternative components.