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IRKU91/12A
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Product Detailed Parameters
- Description：SCR CC 2SCR 1200V 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：1.2 kV
- 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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Overview
The IRKU91/12A is a thyristor module from the IRKU/V71, 91 Series manufactured by Vishay. It features an ADD-A-pak Gen V package with a TO-240AA footprint and a copper baseplate for thermal management. The device supports a maximum repetitive off-state voltage of 1200V and provides a maximum average on-state current of 95A at 85°C case temperature. It includes two elements in a series-connected center-tap configuration.
Feature Summary
- Utilizes Direct Bonded Copper substrate combined with a solid copper baseplate for superior thermal performance and mechanical ruggedness.
- Features thick aluminum metal die and double stick bonding to ensure high reliability under industrial conditions.
- Includes a click-stop feature to secure electrical terminals against axial pull-out stress.
- Offers UL E78996 approval and 3500V RMS isolating voltage capability.
Applications
- High voltage regulated power supplies
- Lighting circuits
- Temperature control circuits
- Motor speed control circuits
- UPS systems and battery chargers
Procurement Notes
Verify the specific voltage code suffix (e.g., /12A) corresponds to the required 1200V rating during procurement. Confirm that the ordering code matches the Generation V specifications outlined in Bulletin I27135. Ensure compatibility with standard TO-240AA mounting hardware and verify gate triggering requirements against the datasheet parameters before finalizing orders.
Selection Notes
Select this component for applications requiring high surge capability and robust isolation. The 95A current rating suits general purpose high voltage needs. Consider the thermal resistance characteristics when designing heatsink solutions. Verify dv/dt ratings if fast switching environments are present, as standard versions operate at 500 V/µs.
Part Context
This part belongs to the IRKU/V71, 91 Series of thyristor modules. It shares the ADD-A-pak Gen V platform with other variants like IRKU71/12A. The series is designed for industrial use, offering full compatibility with TO-240AA footprints while providing enhanced thermal spreading through its unique baseplate construction.
Replacement Considerations
IRKV72/08AS90
FAQ
What is the maximum repetitive peak off-state voltage?
The maximum repetitive peak off-state voltage (VRRM) is 1200V.
How many elements does the module contain?
The module contains two elements configured in a series-connected center-tap arrangement.
What is the recommended mounting torque?
The typical mounting torque is 5 Nm, with a tolerance of ±10%.
