PTGL07AS3R3K3B51B0

Ptc Resettable Fuses Overview

PTGL07AS3R3K3B51B0 is a ceramic PTC thermistor from the POSISTOR PTGL series, designed for overcurrent protection. It features a nominal resistance of 3.3 Ohms with a tolerance of ±10%. The device has a maximum rated voltage of 51 V and a hold current (Ih) of 307 mA. It utilizes a radial through-hole mounting style with a lead spacing of 5 mm. The component operates within a temperature range of -40°C to +85°C and measures 7.30 mm in diameter by 3.50 mm in height.

Ptc Resettable Fuses Feature Summary

• Provides automatic resettable overcurrent protection using positive temperature coefficient ceramic technology.
• Designed for PCB mounting with radial leads to facilitate through-hole integration.
• Complies with AEC-Q100 automotive qualification standards for reliability.

Ptc Resettable Fuses Applications

• Automotive electronic circuit protection
• Communication equipment power lines
• Information processing device circuits

Ptc Resettable Fuses Procurement Notes

This component is currently listed as obsolete or end-of-life across major distributors. Verification of final availability and potential obsolescence notices is required before design commitment. Sourcing may be limited to surplus channels or require immediate substitution planning due to discontinuation status.

Ptc Resettable Fuses Selection Notes

Select this part for applications requiring low initial resistance and moderate current handling up to 307 mA. Ensure the operating environment stays within the specified -40°C to +85°C range. Verify that the 51 V maximum voltage rating aligns with the circuit's peak transient requirements. Consider the radial package dimensions for board space constraints.

Ptc Resettable Fuses Part Context

The PTGL07AS3R3K3B51B0 belongs to Murata's POSISTOR PTGL series of PTC thermistors. This series is characterized by its ceramic composition and specific sizing codes, where '07' indicates the physical dimension class. These components are engineered for robust performance in consumer electronics and automotive sectors.

Ptc Resettable Fuses Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Due to the obsolete status, engineers should consult official replacement guides or select alternative PTC thermistors with matching electrical parameters from current production lines.

Ptc Resettable Fuses FAQ

What is the maximum operating temperature for this PTC thermistor?

The maximum operating temperature is +85°C.

Does this component meet automotive reliability standards?

Yes, it is qualified under the AEC-Q100 standard.