PRG18BC6R8MM1RB

Ptc Resettable Fuses Overview

The Murata PRG18BC6R8MM1RB is a POSISTOR ceramic PTC thermistor designed for surface-mount applications. It features a nominal resistance of 6.8 Ohms with a tolerance of 20%. The component operates within a temperature range of -20°C to +85°C and supports a maximum voltage of 20V. It has a current rating of 3.5A and a hold current (Ih) of 120mA. Packaged in a 0603 (1608 metric) footprint measuring 1.6mm x 0.8mm x 0.6mm, it is available in cut tape or reel formats.

Ptc Resettable Fuses Feature Summary

• Utilizes ceramic technology for high reliability in harsh environments
• Provides self-resetting overcurrent protection capabilities
• Designed for compact surface-mount PCB integration

Ptc Resettable Fuses Applications

• Overcurrent protection in automotive wiring harnesses
• Circuit protection for electronic power steering systems
• Protection for EV transmission system components

Ptc Resettable Fuses Procurement Notes

Verify the procurement status carefully as this component carries an NRND (Not Recommended for New Designs) lifecycle designation. Confirm availability through authorized distributors, noting that supply may be limited or subject to long lead times. Ensure compliance with RoHS requirements before finalizing orders for new production runs.

Ptc Resettable Fuses Selection Notes

Select this part when a low-resistance PTC fuse is required for 0603 space-constrained designs. Verify that the 120mA hold current aligns with the circuit's normal operating load. Consider the 20V maximum voltage limit and the specific thermal characteristics of the POSISTOR series for accurate trip point prediction.

Ptc Resettable Fuses Part Context

This device belongs to the PRG18-MM1RB series of POSISTOR products from Murata Electronics. These components are specialized PTC thermistors intended for circuit protection roles where rapid response and resettable functionality are necessary. The series is engineered for robust performance in automotive and industrial electronics sectors.

Ptc Resettable Fuses Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Due to the NRND status, alternative sourcing should prioritize checking for direct equivalents within the same manufacturer's active portfolio or consulting official replacement guides.