1N3742R

Single Diodes Overview

The Microchip Technology 1N3742R is a standard recovery rectifier diode designed for high-power applications. It features a maximum repetitive reverse voltage of 1000 V and an average forward rectified current of 275 A. The device utilizes a DO-205AB (DO-9) stud mount package, supporting terminal installation. Key electrical characteristics include a forward voltage of 1.3 V at 300 A and a reverse leakage current of 75 µA at 1000 V. It operates within a junction temperature range of -65°C to 190°C and exhibits a standard recovery time exceeding 500 ns.

Single Diodes Feature Summary

• High current handling capability with 275 A average forward rectified current rating
• Robust thermal performance allowing operation up to 190°C junction temperature
• Standard recovery characteristic suitable for general-purpose rectification
• Durable stud mount construction in DO-205AB package for secure mounting

Single Diodes Applications

• Industrial power supply rectification
• Welding equipment circuits
• Motor drive systems
• Inverter applications

Single Diodes Procurement Notes

Verify the specific suffix 'R' against the manufacturer's official datasheet to confirm packaging and tape-and-reel specifications. Confirm RoHS compliance status as indicated in the latest product documentation. Ensure the ordering quantity aligns with the manufacturer's minimum order requirements and standard delivery lead times before finalizing procurement.

Single Diodes Selection Notes

Select this component when a single-phase rectifier requires 1000 V blocking voltage and high continuous current capacity. The DO-205AB package necessitates compatible heatsinking and mechanical mounting hardware. Verify that the circuit's peak inverse voltage does not exceed the 1000 V rating and that the thermal management system supports the 190°C maximum junction temperature limit.

Single Diodes Part Context

This part belongs to Microchip Technology's discrete semiconductor diode portfolio, specifically within the standard rectifier category. It is manufactured by Microchip Technology and is distinct from Zener regulator variants sharing similar numerical prefixes. The component serves as a fundamental building block for converting AC to DC in heavy-duty electronic systems.

Single Diodes Replacement Considerations

Consult official substitution guides for equivalent parts with matching 1000 V, 275 A, and DO-205AB specifications. Verify pinout compatibility and thermal resistance values before replacing. Do not assume interchangeability with lower current or different package types without explicit manufacturer confirmation.