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IRKT57/12A
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Product Detailed Parameters
- Description：SCR DBL 2SCR 1200V 55A ADD-A-PAK
- Series：-
- Mfr：Vishay General Semiconductor - Diodes Division
- Package：Bulk
- Structure：Series Connection - All SCRs
- Number of SCRs, Diodes：2 SCRs
- Voltage - Off State：1.2 kV
- Current - On State (It (AV)) (Max)：60 A
- Current - On State (It (RMS)) (Max)：135 A
- Current - Non Rep. Surge 50, 60Hz (Itsm)：1310A, 1370A
- 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 IRKT57/12A is a thyristor/diode module from the ADD-A-PAK Generation V series, rated for 1200V repetitive peak off-state voltage. It features a 60A average on-state current per junction and utilizes a TO-240AA compatible flange mount package with a solid copper baseplate. The device integrates a thyristor and diode in a single housing, offering high surge capability and industrial-grade ruggedness.
Feature Summary
- Combines thyristor and diode functions within a single robust module housing
- Utilizes Direct Bonded Copper substrate for superior thermal performance
- Features a solid copper baseplate to improve mechanical stability and heat spreading
- Includes click-stop terminal fixation to secure electrical connections against axial pull-out
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) matches the required blocking voltage of 1200V. Confirm the '57' designation indicates the absence of an auxiliary cathode if that configuration is required. Ensure mounting hardware complies with the specified torque requirements for the TO-240AA compatible case style.
Selection Notes
Select this module for applications requiring combined rectification and switching capabilities in a compact industrial package. Consider the 60A current rating and 1200V blocking voltage against peak load demands. Evaluate thermal resistance characteristics relative to the heatsink design to ensure junction temperatures remain within the -40°C to 125°C operating range.
Part Context
This component belongs to the IRK.41/.56 series of ADD-A-PAK Generation V power modules. These modules are designed for general-purpose high-voltage applications, combining thyristor and diode elements. The series is characterized by its industrial standard packaging and high surge current handling capabilities.
Replacement Considerations
IRKT57/16A
FAQ
What does the '57' designation indicate in the part number?
The '57' designation specifies that the module is configured without an auxiliary cathode.
Is the module isolated from the heatsink?
Yes, the module provides 3500VRMS isolating voltage between the circuit terminals and the grounded baseplate.
What is the maximum non-repetitive surge current rating?
The maximum non-repetitive on-state surge current is 1310A at 50Hz and 1370A at 60Hz for a single half-cycle pulse.
