I. Product Introduction

Type: Asymmetric IGCT (Integrated Drive Board Integrated Power Module), produced by the original factory in Switzerland. It is the core power component of ABB's high-power converter. It has no buffer turn-off and no absorption circuit. It is mainly used for medium and high voltage high-power frequency conversion and grid conversion scenarios.

 Core Electrical Parameters Table

Parameters Specifications

On-state repetitive voltage VDRM 4500V (4.5kV)

Off-statepeak current ITGM 4000A, RMS 2670A, average 1700A (85℃ dual-sided water cooling)

Non-repetitive surge current 3ms: 50kA; 10ms: 32kA

Reverse withstand voltage VRRM Only 17V (asymmetric structure, no reverse blocking capability)

On-state voltage ｄｒｏｐ 4000A@125℃: typical 2.35V, maximum 2.7V

Operating frequency Medium frequency ≤ 1kHz, maximum available 2kHz

DC continuous withstand voltage 2800V (100FIT failure rate)

Operating junction temperature -40℃ to +150℃

Physical specifications

Form: 439×173×41mm, net weight 2.9kg

Heat dissipation: Dual-sided water cooling preferred, or high-power forced air cooling; installation clamping force 40kN

Integration: Built-in gate drive circuit board + status feedback interface, optocoupler drive signal input

Product Features

Snubberless (without buffer): Eliminates the RC recovery circuit, simplifies the overall design of the converter, and reduces the failure rate;

Integrated Drive Integration: Encapsulates the IGCT chip and drive board as a single module, with a fault status feedback terminal, facilitating system diagnosis;

High EMC Resistance, suitable for industrial sites with strong interference such as steel mills and power grids;

Supports parallel connection of multiple devices for voltage equalization, enabling higher voltage level converter solutions.

ABB 5SHY35L4520 is an Integrated Gate-Commutated Thyristor (IGCT) device, a key power semiconductor for high-performance drives and industrial applications. It functions as a robust and efficient switching component, capable of handling very high currents and voltages. This specific controller circuit board is engineered for precise control and reliable operation in demanding power conversion systems like medium-voltage AC drives.

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