PRG21BC2R2MM1RA

Ptc Resettable Fuses Overview

The PRG21BC2R2MM1RA is a surface-mount PTC thermistor from the Murata POSISTOR series, designed for PCB mounting in the 0805 (2012 metric) package. It features a nominal resistance of 2.2 Ohms with a tolerance of ±20%. The component has a rated current of 9 A and a maximum voltage rating of 16 V. It operates within a temperature range of -40°C to +85°C. The device dimensions are 2 mm in length, 1.25 mm in width, and 0.9 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
• Supports surface mount technology for automated PCB assembly

Ptc Resettable Fuses Applications

• Circuit protection in automotive transmission systems
• Protection for electronic power steering components
• Overcurrent safeguarding in XEV drivetrain applications

Ptc Resettable Fuses Procurement Notes

Verify the specific ordering suffix MM1RA against the official datasheet to confirm the exact resistance value and packaging configuration. Ensure that the selected variant matches the required electrical parameters for the target application circuit. Confirm RoHS compliance status and lead times directly with authorized distributors or the manufacturer before finalizing procurement orders.

Ptc Resettable Fuses Selection Notes

Select this component based on the required 2.2 Ohm resistance and 9 A current rating. Verify that the 16 V voltage rating meets the circuit requirements. Consider the -40°C to +85°C operating temperature range for environmental suitability. Ensure the 0805 footprint aligns with the PCB design constraints and soldering capabilities.

Ptc Resettable Fuses Part Context

This part belongs to the Murata POSISTOR PRG series of PTC thermistors. These devices are engineered for robust performance in demanding environments, particularly within automotive and industrial sectors. The series offers various resistance values and packages to suit different circuit protection needs while maintaining consistent quality standards.

Ptc Resettable Fuses Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Consult official Murata resources for cross-reference information.