IRKU91/04A

$22.18

Description：SCR CC 2SCR 400V 90A ADD-A-PAK
Series：-

SKU:8219da8daef1 Category: SCRs - Modules Brand: Vishay General Semiconductor - Diodes Division

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Product introduction

Product Detailed Parameters

Description：SCR CC 2SCR 400V 90A ADD-A-PAK
Series：-
Mfr：Vishay General Semiconductor - Diodes Division
Package：Bulk
Structure：Common Cathode - All SCRs
Number of SCRs, Diodes：2 SCRs
Voltage - Off State：400 V
Current - On State (It (AV)) (Max)：95 A
Current - On State (It (RMS)) (Max)：150 A
Current - Non Rep. Surge 50, 60Hz (Itsm)：1785A, 1870A
Operating Temperature：-40°C ~ 125°C (TJ)
Mounting Type：Chassis Mount
Package / Case：ADD-A-PAK (3 + 4)
Voltage - Gate Trigger (Vgt) (Max)：2.5 V
Current - Gate Trigger (Igt) (Max)：150 mA
Current - Hold (Ih) (Max)：200 mA
Grade：-
Qualification：-

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IRKU91/04A

Overview

The IRKU91/04A is a thyristor/thyristor module from the IRKU/V71, 91 Series. It features an ADD-A-pak GEN V package with a thick copper baseplate and Al203 DBC insulator. The device supports a repetitive peak off-state voltage (VRRM) of 400V. Key electrical ratings include a maximum average on-state current of 95A at 85°C case temperature, a maximum RMS on-state current of 150A, and a peak non-repetitive surge current of 1785A at 50Hz. The junction operating temperature range is -40 to 125°C.

Feature Summary

High voltage industrial standard package with up to 1600V capability
Thick aluminum metal die and double stick bonding for reliability
Thick copper baseplate for improved thermal spread and mounting tolerance
UL E78996 approved with 3500VRMS isolating voltage

Applications

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

Procurement Notes

Verify the specific voltage code suffix matches the required blocking voltage, as the series covers 400V to 1600V. Confirm the 'U' designation indicates the thyristor/thyristor configuration. Check for any optional hardware requirements such as busbars or mounting kits specified in related bulletins. Ensure the ordering code includes the Generation V identifier if applicable to the specific batch requirements.

Selection Notes

Select based on the required VRRM rating within the 400V to 1600V range. Consider the thermal resistance characteristics and the need for heatsink mounting due to the ADD-A-pak form factor. Evaluate the surge current capabilities against potential fault conditions in the application circuit. Verify compatibility with existing TO-240AA compatible mounting structures.

Part Context

This component belongs to the IRK.71 and IRK.91 series of thyristor modules manufactured by Vishay General Semiconductor. These modules are designed for general-purpose high-voltage applications. The series utilizes the ADD-A-pak GEN V power module technology, which combines Direct Bonded Copper substrates with solid copper baseplates for mechanical ruggedness and thermal performance.