IRKD71/12A

Diode Arrays Overview

The IRKD71/12A is a high-voltage industrial standard power module from the IRK.56 and IRK.71 series, manufactured by Vishay General Semiconductor - Diodes Division. It features two diodes in series within an ADD-A-pak GEN V package (TO-240AA). The device supports a maximum repetitive peak reverse voltage of 1200V and handles a maximum average forward current of 80A at a case temperature of 100°C with 180° conduction. It offers a maximum RMS forward current of 126A and withstands non-repetitive surge currents up to 1790A. The junction temperature range spans from -40°C to 150°C.

Diode Arrays Feature Summary

• Features a thick aluminum metal die and double stick bonding for enhanced reliability.
• Incorporates a solid copper baseplate for superior thermal spread and mechanical ruggedness.
• Utilizes Direct Bonded Copper substrate technology combined with a hard mold-free design.
• Provides UL E78996 approval with 3500VRMS isolating voltage between terminals and base.

Diode Arrays Applications

• High voltage regulated power supplies
• Lighting circuits
• Temperature control circuits
• Motor speed control circuits
• UPS systems and battery chargers

Diode Arrays Procurement Notes

Verify the specific ordering code suffix against official manufacturer documentation to confirm generation and configuration details. Ensure that the required mounting torque and thermal interface compound specifications are strictly followed during installation to maintain the rated thermal resistance and electrical isolation performance.

Diode Arrays Selection Notes

Select this component based on the required voltage rating and current handling capabilities within the specified thermal environment. Consider the series connection configuration when designing circuits requiring higher voltage blocking than single junctions can provide. Evaluate the thermal resistance characteristics relative to the expected conduction angles and heatsink conditions.

Diode Arrays Part Context

This module belongs to the IRK.56 and IRK.71 series of ADD-A-pak GEN V power modules. These devices are designed for general purpose high voltage applications. The series utilizes industrial standard packaging compatible with TO-240AA footprints, offering a balance of high surge capability and ease of mounting on standard heatsinks.

Diode Arrays Replacement Considerations

Consult official datasheets for cross-reference information regarding equivalent products from other manufacturers. Verify compatibility of pinouts, thermal characteristics, and electrical ratings before substituting any alternative components in existing designs.

Diode Arrays FAQ

What is the maximum repetitive peak reverse voltage for the IRKD71/12A?

The maximum repetitive peak reverse voltage (VRRM) for the IRKD71/12A is 1200V.

How many diodes are contained within the IRKD71/12A module?

The IRKD71/12A contains two diodes connected in series.

What is the maximum non-repetitive surge current rating?

The maximum non-repetitive surge current (IFSM) is 1790A for a 10ms pulse duration with no voltage reapplied.