Technical Specifications High‑voltage high‑current electrical rating, gate drive interface. Operating junction temperature ‑40 ℃ to +125 ℃, storage temperature ‑40 ℃ to +125 ℃. Press‑pack disc structure.
Functional Features Completes high‑power switching operation for power conversion main loop. Accepts gate drive control signal to realize conduction and blocking. Supports long‑time high‑current continuous operation condition.
Application Scenarios Power semiconductor spare part for ABB large excitation system and medium‑high‑power frequency converter. Used for energy industry and metallurgy industry power equipment maintenance work.
Performance Parameters Fast gate‑commutated turn‑off capability. Stable high‑current conduction performance. Good thermal fatigue resistance under cyclic operation.
Material Composition Metal press‑pack electrode shell. Semiconductor silicon wafer chip. Gate signal terminal. Insulated mechanical fitting components.
Structural Characteristics Disc‑form press‑pack power device. Main power electrodes on both end faces, gate signal terminal on side position. Installed by stacking compression. Weight approximately 1.36 kilogram.
Working Principle Gate trigger signal turns on device and main‑loop high‑current passes through. Reverse commutated gate signal turns off device to cut‑off main‑loop current. Periodic switching actions realize AC‑DC energy conversion of power equipment.
Installation Requirements Disconnect total main power and fully discharge high‑voltage capacitors before replacement. Install 5SHY3545L0020 into power stack, apply uniform standard compression force. Complete gate drive signal connection. Restore power supply, perform insulation withstand test and equipment operation verification.
Usage Notes Implement anti‑static protection during handling. Keep stacking pressure strictly within specified range. Avoid mechanical damage to gate terminal. Check gate drive board working condition after replacement.
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