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IRKT71/16A
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Product Detailed Parameters
- Description：SCR DBL 2SCR 1600V 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：1.6 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 IRKT71/16A is a dual Silicon Controlled Rectifier (SCR) module manufactured by Vishay General Semiconductor. It features a 1600V off-state voltage rating and supports a maximum on-state current of 75A. The device utilizes the ADD-A-PAK package, specifically TO-240AA, with seven terminals for connection. Key electrical parameters include a non-repetitive peak on-state current of 1940 A, a maximum DC gate trigger current of 150 mA, and a maximum DC gate trigger voltage of 4 V. The module operates within a temperature range of -40°C to 125°C.
Feature Summary
- Dual SCR configuration integrated into a single compact module
- High voltage blocking capability suitable for demanding power applications
- Robust thermal management design via flange mount construction
Applications
- Industrial motor drive systems
- Power supply rectification circuits
- Static switch applications in high-power environments
Procurement Notes
Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status and lead-free specifications prior to integration. Ensure handling procedures adhere to electrostatic discharge protocols. Validate that the specific batch matches required technical documentation standards for quality assurance.
Selection Notes
Evaluate thermal resistance characteristics against system heat dissipation requirements. Assess gate trigger parameters to ensure compatibility with control circuitry output capabilities. Consider physical dimensions of the ADD-A-PAK package for mechanical fit within the assembly. Review operating temperature limits to guarantee reliability under expected load conditions.
Part Context
This component belongs to the Vishay SCR modules family, designed for high-current switching applications. It integrates two SCRs in a series-connected structure with built-in diode functionality. The module serves as a critical element in power electronics where reliable high-voltage switching is required.
Replacement Considerations
Public records indicate this part number is obsolete and no longer manufactured. Engineers should consult official replacement guides or contact the manufacturer for qualified substitute components that meet identical electrical and mechanical specifications.
