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IRKU56/12A
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Product Detailed Parameters
- Description：SCR CC 2SCR 1200V 55A 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)：60 A
- Current - On State (It (RMS)) (Max)：95 A
- Current - Non Rep. Surge 50, 60Hz (Itsm)：580A, 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 IRKU56/12A is a thyristor module from the IRKU/V41, 56 Series manufactured by Vishay General Semiconductor - Diodes Division. It utilizes the ADD-A-pak GEN V package with a copper baseplate and Al203 DBC insulator. The device features a 1200V repetitive peak off-state voltage (VRRM) and supports an average on-state current of 60A at 85°C case temperature. Key electrical characteristics include a maximum RMS on-state current of 95A and non-repetitive surge currents of 1310A at 50Hz or 1370A at 60Hz. The junction operating temperature range spans from -40°C to +125°C.
Feature Summary
- High voltage capability up to 1600V within the series
- Industrial standard ADD-A-pak package for easy heatsink mounting
- Thick aluminum die and double stick bonding for reliability
- UL E78996 approved with 3500VRMS isolating voltage
Applications
- High voltage regulated power supplies
- Lighting circuits
- Temperature control circuits
- Motor speed control circuits
- UPS and battery chargers
Procurement Notes
Verify the specific suffix 'A' indicates Generation V packaging when sourcing replacements. Confirm that the 1200V rating aligns with system requirements, as the series offers voltages ranging from 400V to 1600V. Ensure compatibility with the TO-240AA mechanical footprint for existing heatsink interfaces. Check for any optional hardware requirements such as mounting compounds or specific torque specifications during installation.
Selection Notes
Select this component for general purpose high voltage applications requiring robust thermal performance. The thick copper baseplate improves tolerance to surface roughness and enhances thermal spreading compared to previous generations. Consider the 60A average current rating relative to the expected conduction angle and case temperature derating curves. Verify that the gate trigger parameters meet the driving circuit capabilities.
Part Context
This part belongs to the IRKU/V41, 56 Series of thyristor modules. The 'U' designation indicates a single SCR configuration with an integrated diode. The '56' code specifies the 60A current rating tier, while '/12' denotes the 1200V voltage variant. These modules are designed for industrial environments and feature isolated bases for grounded heatsink mounting.
Replacement Considerations
IRKU56/08A
FAQ
What is the maximum non-repetitive surge current for the IRKU56/12A?
The maximum non-repetitive on-state surge current is 1310A at 50Hz and 1370A at 60Hz for a single half-cycle.
Does the IRKU56/12A have an isolated base?
Yes, the module features an isolated base with a typical isolation voltage of 3500VRMS for 1 second.
What is the recommended mounting torque for the module?
The datasheet specifies a mounting torque of 5 Nm ± 10% for securing the busbar to the module.
