ABB 5SHY3545L0014 Thyristor Module

1. Overview

The ABB 5SHY3545L0014 is a high-power thyristor module designed for medium- and high-voltage drives, rectifiers, soft starters, and power conversion systems.
With excellent surge current capability, high voltage rating, and robust thermal performance, it ensures long-term stability even under demanding industrial environments.
It is widely used in MV drives, HVDC power systems, traction converters, and heavy-duty industrial power control applications.

2. Key Technical Specifications (Typical)

Electrical

• Model: 5SHY3545L0014

• Device Type: Thyristor Module

• Repetitive Peak Reverse Voltage (VRRM): ~4500 V

• Average Forward Current (IT(AV)): 2500–3500 A

• Surge Current (IFSM): > 40 kA (10 ms half-sine)

• On-State Voltage (VT): 1.2–1.5 V (typical)

• Gate Trigger Current (IGT): 100–200 mA

• di/dt Capability: High industrial grade

• dv/dt Capability: High noise immunity

Thermal

• Maximum Junction Temperature: +125 °C

• Thermal Resistance: Low RthJC, optimized for high power

• Cooling: External heatsink + forced air or water cooling

Mechanical

• Package: Industrial high-power module

• Mounting: Bolt-on installation

• Weight: Approx. 1–2 kg

• Insulation: High-strength industrial insulation material

3. Features & Advantages

• High current and high voltage capability

• Excellent thermal performance

• Strong surge withstand capability

• High reliability for heavy-duty applications

• Low on-state voltage to reduce power loss

• Backed by ABB’s high-power semiconductor technology

4. Applications

• Medium/high-voltage drives

• High-power rectifiers & inverters

• Soft starters

• HVDC converters and grid power systems

• Metallurgical equipment (EAF, electrolyzers)

• Rail traction power converters

• High-capacity UPS systems

• Renewable energy power conversion

5. Notes & Precautions

• Ensure proper heatsink flatness and apply thermal compound.

• Use appropriate gate drive and protection circuits.

• Follow torque specifications for mounting bolts.

• Avoid continuous operation near maximum junction temperature.

• Keep away from corrosive or high-humidity environments.

• Wiring must be done when power is completely off.

• Ensure adequate cooling for stable long-term operation.

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