PTGL09AR4R7M3B51A0

Ptc Resettable Fuses Overview

The PTGL09AR4R7M3B51A0 is a POSISTOR PTC thermistor manufactured by Murata Electronics. It features a radial leaded package designed for PCB mounting. The component has a nominal resistance of 4.7 Ohms with a tolerance of 20%. It operates within a temperature range of -10°C to +60°C and supports a maximum voltage of 16V. The device is rated for a maximum current of 7A, with a hold current (Ih) of 875mA and a trip current (It) of 1.625A. Physical dimensions include a diameter of approximately 9.0mm and a height of 3.5mm.

Ptc Resettable Fuses Feature Summary

• Provides automatic overcurrent protection through self-resetting positive temperature coefficient characteristics
• Utilizes ceramic construction for reliable thermal response in circuit protection applications
• Designed for through-hole mounting with radial leads for standard PCB integration

Ptc Resettable Fuses Applications

• Automotive electronics circuits
• Audio-visual equipment power lines
• Communication device protection
• Home appliance control boards
• Information equipment power supplies

Ptc Resettable Fuses Procurement Notes

Verify the exact part number against official Murata documentation before procurement. Confirm that the specific suffix matches the required electrical parameters. Check current availability status as components may be discontinued or subject to supply constraints. Ensure compatibility with existing design specifications regarding voltage and current ratings.

Ptc Resettable Fuses Selection Notes

Select this component based on the required hold current and trip current thresholds for the target application. Verify that the operating temperature range meets the environmental conditions of the installation site. Consider the physical size constraints for PCB layout. Ensure the voltage rating exceeds the maximum circuit voltage to prevent breakdown during fault conditions.

Ptc Resettable Fuses Part Context

This part belongs to the POSISTOR PTGL series of PTC thermistors from Murata Electronics. The series is characterized by its use in overcurrent protection roles across various electronic industries. The PTGL designation indicates a specific form factor and performance profile within the broader POSISTOR product line.

Ptc Resettable Fuses Replacement Considerations

Consult official Murata substitution guides for verified alternatives. Cross-reference parameters such as hold current, trip current, and voltage rating when evaluating substitutes. Ensure any replacement maintains the same package type and mounting style for mechanical compatibility.