PRG21BB150MB1RK

Ptc Resettable Fuses Overview

The Murata PRG21BB150MB1RK is a POSISTOR ceramic PTC thermistor in an 0805 surface-mount package. It features a nominal resistance of 15 Ohms with a 20% tolerance at 25°C. The device supports a maximum voltage of 20V and a rated current of 59 mA. Operating temperatures range from -20°C to +60°C. Physical dimensions are 2.00mm length, 1.25mm width, and a maximum height of 1.45mm.

Ptc Resettable Fuses Feature Summary

• Utilizes POSISTOR ceramic technology for high reliability in circuit protection applications
• Provides automatic reset functionality after overcurrent or overheating events
• Designed for surface-mount assembly on printed circuit boards

Ptc Resettable Fuses Applications

• Automotive electronic systems
• Power supply line protection
• Microcontroller circuit safeguarding

Ptc Resettable Fuses Procurement Notes

Verify the complete part number including suffixes against official Murata documentation to ensure correct resistance and package specifications. Confirm RoHS compliance status and manufacturing origin requirements prior to ordering. Cross-reference datasheet electrical parameters with design constraints to validate suitability for the target application environment.

Ptc Resettable Fuses Selection Notes

Select this component based on its specific 15 Ohm resistance value and 59 mA holding current rating. Ensure the operating temperature range of -20°C to +60°C aligns with system requirements. Verify that the 0805 footprint matches the PCB layout and that the 20V voltage rating exceeds the maximum circuit potential.

Ptc Resettable Fuses Part Context

This component belongs to the Murata POSISTOR PRG series of ceramic PTC thermistors. These devices are engineered for automotive-grade reliability and circuit protection. The series offers various resistance values and package sizes to accommodate diverse electronic design needs while maintaining consistent performance characteristics.

Ptc Resettable Fuses Replacement Considerations

Check Murata's Product Change Notification (PCN) for updates regarding the PRG21BByyyMB1RK series. Consult official substitution guides for equivalent POSISTOR parts with matching electrical ratings and physical dimensions.