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IRKU41/08A
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Product Detailed Parameters
- Description：SCR CC 2SCR 800V 40A 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：800 V
- Current - On State (It (AV)) (Max)：45 A
- Current - On State (It (RMS)) (Max)：70 A
- Current - Non Rep. Surge 50, 60Hz (Itsm)：850A, 890A
- 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 IRKU41/08A is a thyristor/thyristor module from the IRKU/V41 series, rated for 800V repetitive peak off-state voltage. It features two SCRs in a common cathode configuration within an ADD-A-pak Gen V package compatible with TO-240AA. The device supports a maximum average on-state current of 45A at 85°C case temperature and an RMS current of 70A. Key electrical parameters include a non-repetitive surge current of 850A at 50Hz and 890A at 60Hz. The junction operating temperature range spans from -40°C to 125°C.
Feature Summary
- Features a thick copper baseplate and Al2O3 DBC insulator for superior thermal performance and mechanical ruggedness.
- Includes a solid copper baseplate that improves thermal spread and allows easier mounting on heatsinks with varied surface roughness.
- Provides UL E78996 approval and high isolation voltage capabilities up to 3500VRMS.
- Utilizes a click-stop feature to secure electrical terminals against axial pull-out.
Applications
- High voltage regulated power supplies
- Lighting circuits
- Temperature control circuits
- Motor speed control circuits
- UPS systems
Procurement Notes
Verify the specific voltage code suffix (e.g., 08 for 800V) matches the required circuit rating. Confirm the package style aligns with existing TO-240AA compatible heatsink infrastructure. Ensure gate drive specifications meet the maximum trigger requirements. Check for any optional hardware or mounting compound recommendations specified in related bulletins.
Selection Notes
Select based on the required blocking voltage and current ratings relative to the application's thermal environment. Consider the conduction angle characteristics when calculating power loss and allowable case temperatures. Evaluate the need for specific dv/dt ratings if fast switching is involved. Verify compatibility with standard industrial mounting practices.
Part Context
This component belongs to the IRKU/V41 and IRKU/V56 series of thyristor modules manufactured by Vishay General Semiconductor. These Generation V ADD-A-pak modules are designed for general purpose high voltage applications. The series offers various voltage codes ranging from 400V to 1600V, allowing flexibility in system design while maintaining a standardized industrial package footprint.
Replacement Considerations
VS-VSKU56/08 is listed as a similar replacement part number from Vishay General Semiconductor.
FAQ
What is the maximum isolating voltage of the IRKU41/08A?
The module has a UL E78996 approved isolating voltage of 3500VRMS.
How does the copper baseplate benefit the module?
The thick copper baseplate allows for easier mounting on most heatsinks, increases tolerance to surface roughness, and improves thermal spreading.
What is the maximum holding current for this device?
The maximum holding current is 200mA at a junction temperature of 25°C with a resistive load and open gate circuit.
