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IRKH41/04A
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Product Detailed Parameters
- Description：SCR DBL LOSCR 400V 45A ADD-A-PAK
- Series：-
- Mfr：Vishay General Semiconductor - Diodes Division
- Package：Bulk
- Structure：Series Connection - SCR/Diode
- Number of SCRs, Diodes：1 SCR, 1 Diode
- Voltage - Off State：400 V
- Current - On State (It (AV)) (Max)：45 A
- Current - On State (It (RMS)) (Max)：100 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 + 2)
- 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 IRKH41/04A is a double low-loss SCR module from Vishay General Semiconductor, housed in an Add-A-Pak package. It features a maximum repetitive peak off-state voltage of 400V and an average on-state current rating of 45A. The device supports a non-repetitive surge current of 850A at 50Hz and 890A at 60Hz. Designed for high-efficiency power control applications, it utilizes low-loss technology to minimize conduction losses while maintaining robust thermal performance within standard industrial operating temperature ranges.
Feature Summary
- Double low-loss thyristor configuration for efficient power conversion
- Add-A-Pak modular packaging for simplified mechanical integration
- High surge current capability for robust fault handling
Applications
- Industrial motor drives and variable speed controls
- AC power regulation and phase control circuits
- Resistive and inductive load switching systems
Procurement Notes
Verify the specific manufacturer part number against official Vishay documentation to ensure component authenticity. Confirm that the requested unit matches the exact electrical ratings and physical dimensions specified in the datasheet. Check for any obsolete status or end-of-life notifications associated with this specific model variant before finalizing procurement plans.
Selection Notes
Select this module when a dual SCR configuration is required for bridge or anti-parallel applications. Ensure the system voltage does not exceed the 400V rating and that thermal management solutions can handle the 45A continuous current. Consider the Add-A-Pak form factor for compatibility with existing heatsink mounting infrastructure.
Part Context
This component belongs to the IRKH41 series of double low-loss SCRs manufactured by Vishay General Semiconductor. The series offers various voltage ratings, with the /04A suffix specifically denoting the 400V variant. These modules are designed to replace discrete SCR pairs, simplifying assembly and improving reliability in medium-power electronic systems.
Replacement Considerations
Public confirmed substitute part numbers include VS-VSKH41/04. Verify that alternative modules match the 400V voltage rating and comparable current specifications. Ensure pinout compatibility and thermal interface requirements align with the existing design constraints.
