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IRKT71/12A
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Product Detailed Parameters
- Description：SCR DBL 2SCR 1200V 75A 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：1.2 kV
- Current - On State (It (AV)) (Max)：75 A
- Current - On State (It (RMS)) (Max)：165 A
- Current - Non Rep. Surge 50, 60Hz (Itsm)：1665A, 1740A
- 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 IRKT71/12A is a dual silicon-controlled rectifier (SCR) module manufactured by Vishay General Semiconductor. It features a rated repetitive off-state voltage of 1200 V and an RMS on-state current of 75 A, with a non-repetitive surge current capacity of 1360 A. The device utilizes the Add-A-Pak package for screw mounting and operates within a junction temperature range of -40°C to +125°C. Key electrical parameters include a maximum gate trigger voltage of 2.5 V and a holding current of 250 mA.
Feature Summary
- Dual common cathode configuration integrating two SCRs in a single module
- Robust thermal management via Add-A-Pak screw-mount packaging
- High surge current capability for demanding industrial loads
Applications
- Industrial motor drives and control systems
- AC power regulation and phase control circuits
- Resistive load switching applications
Procurement Notes
Verify the specific datasheet revision and manufacturer part number alignment before procurement. Confirm that the required thermal interface materials and mounting hardware are compatible with the Add-A-Pak form factor. Ensure supply chain sources provide original manufacturer documentation to validate authenticity and technical specifications against official Vishay standards.
Selection Notes
Select this component when a dual SCR solution is required for high-current AC control applications. The 1200 V rating suits medium-voltage industrial environments. Consider the physical dimensions and thermal resistance characteristics of the Add-A-Pak package during heatsink design. Validate that the gate trigger requirements align with the driving circuit capabilities.
Part Context
This module belongs to the IRKT series of thyristor modules from Vishay. These components are designed for robust performance in power electronics. The series offers various voltage and current ratings to accommodate different industrial power conversion needs. The Add-A-Pak format provides a standardized mechanical interface for easy integration into existing power assemblies.
Replacement Considerations
Direct substitutes may include other dual SCR modules with matching 1200 V and 75 A ratings in similar packages. Verify pinout compatibility and thermal characteristics when considering alternatives.
