MF-RX020/72-2

Overview

The Bourns MF-RX020/72-2 is a radial leaded PPTC resettable fuse from the Multifuse MF-RX/72 series. It provides overcurrent protection with a hold current of 200 mA and a trip current of 400 mA. The device operates at a maximum voltage of 72 VDC and features a typical resistance of 2.5 Ohms. It functions within a temperature range of -40°C to +85°C, with a lead spacing of 5.1 mm.

Feature Summary

• Provides automatic circuit recovery after fault clearance without manual replacement
• Offers robust overcurrent and thermal protection against short circuits and excessive loads
• Designed for PCB mounting with radial leads for standard through-hole integration

Applications

• Overcurrent protection in consumer electronic devices
• Surge protection for portable computing equipment
• Circuit safeguarding in telecommunications infrastructure

Procurement Notes

Verify the specific ordering suffix to confirm packaging type, as variants exist. Confirm RoHS compliance status for your region. Ensure the lead spacing matches your PCB footprint requirements. Check datasheet for derating curves relative to ambient temperature.

Selection Notes

Select this component when a 200 mA hold current and 72 VDC rating are required. Compare trip characteristics against circuit surge currents. Verify physical dimensions fit the assembly constraints. Consider thermal environment impact on holding performance.

Part Context

This part belongs to the Multifuse MF-RX/72 series of polymer positive temperature coefficient devices. These components are engineered for cost-effective circuit protection in space-constrained applications. The series offers reliability across various industrial and commercial markets.

Replacement Considerations

Cross-reference with MF-RX020/72-AP for alternative packaging. Verify electrical parameters match exactly before substitution. Ensure physical dimensions and lead configuration are compatible.