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IRKT41/12A
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Product Detailed Parameters
- Description：SCR DBL 2SCR 1200V 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：1.2 kV
- 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 + 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 IRKT41/12A is a thyristor/diode module from the IRK.41 series, rated for 1200 V repetitive peak off-state voltage and 45 A average on-state current at 85°C case temperature. It utilizes an ADD-A-pak Gen V package with a thick copper baseplate for thermal management. The device features high surge capability with an ITSM of 850 A (10ms) and low internal thermal resistance of 0.23 K/W. It includes an integrated diode and offers 3500 VRMS isolation voltage.
Feature Summary
- High voltage industrial standard package with thick aluminum metal die and double stick bonding
- Thick copper baseplate providing superior mechanical ruggedness and improved thermal spread
- Electrical terminals secured against axial pull-out via a reliable click-stop feature
- Manufactured without hard mold to eliminate direct stress on leads
Applications
- High voltage regulated power supplies
- Lighting circuits
- Temperature control circuits
- Motor speed control circuits
- UPS and battery chargers
Procurement Notes
Verify the specific voltage code suffix matches the required blocking voltage, as the IRK.41 series spans 400V to 1600V. Confirm the generation designation 'A' corresponds to Generation V modules. Ensure the ordering code aligns with the desired dv/dt rating, noting that standard units have 500 V/µs while S90 variants offer 1000 V/µs. Cross-reference the complete part number against official Vishay or Infineon documentation to confirm availability and exact specifications.
Selection Notes
Select this module for general purpose high voltage applications requiring robust thermal performance and mechanical stability. The ADD-A-pak Gen V design facilitates easy mounting on heatsinks with increased tolerance for surface roughness. Consider the integrated diode configuration for bridge rectifier setups. Evaluate the 3500 VRMS isolation voltage for safety requirements in grounded heatsink configurations.
Part Context
The IRKT41/12A belongs to the IRK.41 and IRK.56 series of thyristor/diode and thyristor/thyristor modules. These Generation V Add-A-pak modules combine Direct Bonded Copper substrate technology with a solid copper baseplate. The series is designed for industrial environments, offering high surge capability and compatibility with TO-240AA footprints.
Replacement Considerations
IRKT41/14A: Higher voltage rating (1400 V). IRKT41/16A: Highest voltage rating (1600 V). IRKT41/12AS90: Same electrical ratings but enhanced dv/dt capability of 1000 V/µs.
