1N3161R

Single Diodes Overview

The Microchip Technology 1N3161R is a standard recovery rectifier diode designed for high-current applications. It features a maximum DC reverse voltage (Vr) of 50 V and an average rectified current (Io) of 240 A. The device exhibits a forward voltage (Vf) of 1.25 V at the rated current of 240 A. Reverse leakage current is specified as 75 µA at 50 V. Operating junction temperature ranges from -65°C to +200°C, with a standard recovery time exceeding 500 ns. The component utilizes a DO-205AB (DO-9) axial leaded package suitable for panel or chassis mounting.

Single Diodes Feature Summary

• High current handling capability up to 240 A average rectified current
• Extended operating junction temperature range reaching 200°C
• Standard recovery speed optimized for general power conversion
• Robust DO-205AB axial leaded package for secure mechanical mounting

Single Diodes Applications

• Industrial power supply rectification
• Battery charging systems
• DC power distribution units

Single Diodes Procurement Notes

Verify RoHS compliance status prior to procurement, as this specific part number may not meet current environmental directives. Confirm package orientation and terminal dimensions against design specifications. Ensure thermal management solutions accommodate the 200°C junction rating. Validate that the 50 V reverse voltage rating aligns with circuit peak inverse voltage requirements. Check for any recent manufacturing change notices affecting material composition.

Single Diodes Selection Notes

Select this component when high surge current capacity and wide temperature operation are required. The 50 V rating limits suitability to low-voltage high-amperage circuits. Consider the DO-205AB package constraints for board space and mounting hardware. Evaluate thermal resistance characteristics for heatsink integration. Compare recovery time requirements against switching frequency needs in the target application.

Single Diodes Part Context

The 1N3161R belongs to the 1N3161 series of high-power rectifiers manufactured by Microchip Technology. This series is characterized by robust construction for demanding industrial environments. The DO-205AB package provides a standardized form factor for legacy and modern high-current designs. It serves as a discrete solution for power stages where integrated modules are unsuitable.

Single Diodes Replacement Considerations

Cross-reference with other 1N3161 series variants for pin-compatible alternatives. Verify electrical parameters match exactly, particularly the 240 A current and 50 V voltage ratings. Ensure replacement packages support the same mounting method.