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IRKU105/12A
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Product Detailed Parameters
- Description：SCR CC 2SCR 1200V 105A ADD-A-PAK
- Series：-
- Mfr：Vishay General Semiconductor - Diodes Division
- Package：Bulk
- Structure：Common Cathode - All SCRs
- Number of SCRs, Diodes：2 SCRs
- Voltage - Off State：1.2 kV
- Current - On State (It (AV)) (Max)：105 A
- Current - On State (It (RMS)) (Max)：165 A
- Current - Non Rep. Surge 50, 60Hz (Itsm)：1785A, 1870A
- Operating Temperature：-40°C ~ 130°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 IRKU105/12A is a thyristor/thyristor module from the IRK.U/V105 series, manufactured by Vishay General Semiconductor - Diodes Division. It features an ADD-A-pak Gen V package with a TO-240AA form factor. The device supports a maximum repetitive peak off-state voltage (VRRM) of 1200 V and a maximum average on-state current (IT(AV)) of 105 A at 85°C case temperature. It has a maximum RMS on-state current of 165 A and a non-repetitive surge current capability of up to 1870 A at 60 Hz. The junction operating temperature range is -40°C to 130°C.
Feature Summary
- Features a thick copper baseplate and Direct Bonded Copper substrate for superior thermal performance and mechanical ruggedness.
- Includes a solid copper baseplate that allows easier mounting on heatsinks with increased tolerance for surface roughness.
- Manufactured without hard mold to eliminate direct stress on the leads.
- Provides UL E78996 approval with 3500 VRMS isolating voltage.
Applications
- High voltage regulated power supplies
- Lighting circuits
- Temperature control circuits
- Motor speed control circuits
- UPS systems
Procurement Notes
Verify the specific voltage code suffix in the part number to confirm the exact VRRM rating, as the series spans 400V to 1600V. Confirm the generation designation 'A' indicates Generation V packaging. Ensure the required dv/dt rating matches the application needs, as standard versions have 500 V/µs while optional S90 variants offer 1000 V/µs. Check for lead-free compliance status if RoHS is required.
Selection Notes
Select based on the required blocking voltage; the '/12' suffix denotes a 1200 V rating. Consider the thermal resistance RthJC of 0.135 K/W for heat sink calculations. Evaluate the gate triggering requirements, specifically the maximum gate current IGT of 150 mA at 25°C. Ensure the circuit can handle the specified holding current of 200 mA and latching current of 400 mA.
Part Context
This component belongs to the IRK.U/V105 series of industrial power modules. It utilizes the ADD-A-pak Generation V technology, which combines high voltage capabilities with robust mechanical design. The series is designed for general-purpose high-voltage applications requiring reliable isolation and high surge current handling.
Replacement Considerations
IRKU105/16A: Higher voltage rating (1600 V). IRKU105/08A: Lower voltage rating (800 V). IRKU105/04A: Lower voltage rating (400 V). IRKV105/12A: Different internal circuit configuration (Thyristor/Diode vs Thyristor/Thyristor).
