Ⅰ. Basic Definition
5SHY5055L0002: Device model number (core semiconductor identifier)
3BHE019719R0101: Order material code (unique number for procurement & maintenance)
GVC736BE101: Functional module code (drive + protection + interface assembly)
Product Status: Discontinued, only supplied as spare parts and for maintenance
Ⅱ. Core Electrical Parameters
Chip Specification: 91mm asymmetrical IGCT
Maximum Turn-off Current: 4000–5000A (matched with gate unit)
On-state Voltage Drop: 2.5V; Reverse Voltage Drop: 4.5V
Gate Drive Power Supply: 28–30VDC
Switching Frequency: Max. 1kHz
Junction Temperature Range: -40℃ ~ +125℃
Storage Temperature: -40℃ ~ +70℃
Weight: Approx. 8.5kg
Mounting Structure: Press-pack type, compatible with high-voltage water-cooled / air-cooled heat sinks
Ⅲ. Structure & Composition
Integrated Gate Unit (IGU): On-board drive with low-inductance design and precise switching control
Protection Circuit: Full protection against overcurrent, overvoltage, overheating and gate short circuit
Power Terminals: High-current bolt terminals, suitable for high-voltage busbars
Control Interface: Signal, feedback and fault diagnosis ports
Heat Sink Base: Press-fit metal substrate, compatible with forced water cooling and high-performance air cooling
Ⅳ. Key Features
Integrated Drive: No external drive board required, simplifying the system and improving anti-interference capability
Press-pack Package: High thermal conductivity and mechanical strength, suitable for series / parallel expansion
Full Protection: Built-in fault detection and locking function to ensure system safety
High Reliability: Adapted to continuous industrial operation, long service life and maintenance-free
Ⅴ. Typical Application Scenarios
Metallurgical rolling mills, mine hoists, large fan and pump transmission systems
Wind power / PV grid-tied inverters and energy storage converters
Railway traction converters and marine electric propulsion systems
Flexible AC Transmission Systems (FACTS), Static Var Compensator (SVC / STATCOM)
High Voltage Direct Current (HVDC), high-power industrial rectification and inversion equipment
Ⅵ. Compatibility & Replacement
Preferred Replacement: 5.5kV 91mm IGCT of the same 5SHY series
Maintenance Replacement: Gate drive, cooling mode and electrical interface shall be fully matched
Ⅶ. Operation & Installation Guidelines
Cooling: Water cooling is preferred; air cooling requires high airflow and low wind resistance design
Wiring: Fasten power terminals with specified high torque; shield and ground all control cables
Inspection: Verify gate power supply, insulation resistance and fault circuit before power-on
Environment: IP40 protection grade, dust-proof, moisture-proof and anti-corrosion



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