ABB 5SHY35L4512 – High-Power IGBT Module for Industrial and Traction Applications

Applications

The ABB 5SHY35L4512 is a high-performance Insulated Gate Bipolar Transistor (IGBT) module, purpose-built for medium and high-power conversion systems. It is designed to deliver efficient and reliable switching performance in demanding industrial and transportation environments.
Typical applications include:

Traction and Locomotive Systems – for propulsion and braking energy control.

Industrial Drives – high-power motor drives and converters.

Power Generation and Distribution – inverters and frequency converters.

HVDC and FACTS Systems – ensuring stable grid and transmission performance.

Renewable Energy Systems – wind turbine converters and solar inverters.

Overview

The 5SHY35L4512 is part of ABB’s renowned HiPak™ IGBT series, combining advanced semiconductor technology with superior thermal and electrical characteristics. With a collector-emitter voltage rating of 4500V and a current capacity up to 3500A, this module enables efficient power control in high-voltage environments.
Engineered with ABB’s expertise in high-power electronics, the module offers low switching losses, high short-circuit ruggedness, and long-term operational reliability. It is ideal for continuous operation in harsh industrial and transportation settings.

Structure & Design

The module is constructed with press-pack IGBT technology, ensuring uniform current distribution and mechanical integrity. Its metal-ceramic housing provides high dielectric strength and excellent thermal conduction, while eliminating the need for solder layers that can degrade over time.
This design not only enhances performance and lifespan but also allows fail-safe operation—a critical advantage in traction and grid applications.

Key Features

Rated Voltage: 4500V

Nominal Current: 3500A

Press-Pack Construction for high reliability and mechanical robustness.

Low Conduction and Switching Losses, maximizing energy efficiency.

Short-Circuit Withstand Capability of up to 10µs.

High Thermal Cycling Endurance for long operational life.

Isolated Metal-Ceramic Package for superior heat dissipation.

Environmentally Resistant Design, suitable for vibration and shock-prone conditions.

Technical Specifications

Installation & Maintenance

Installation requires precise mechanical pressure to ensure even contact and optimal heat transfer. The press-pack design simplifies module replacement and eliminates solder fatigue, reducing long-term maintenance costs.
For best performance:

Mount the module using ABB-specified clamping force.

Ensure flat, clean, and aligned contact surfaces.

Maintain sufficient cooling through heat sinks or liquid cooling systems.
Routine inspection of clamping integrity and cleanliness ensures long service life and operational safety.

Advantages

Superior current handling capability

Fail-safe operation under overload conditions

Excellent thermal performance and power density

Long operational lifetime with minimal degradation

Optimized for energy efficiency and low switching loss

Backed by ABB’s extensive experience in high-voltage semiconductor manufacturing

Conclusion

The ABB 5SHY35L4512 IGBT module is a top-tier power semiconductor device that meets the stringent demands of high-power industrial, traction, and energy applications. With its robust press-pack construction, high voltage and current ratings, and exceptional reliability, it ensures stable and efficient operation even under extreme conditions.
Whether used in locomotives, converters, or renewable energy systems, the 5SHY35L4512 delivers trusted ABB performance and durability for the world’s most critical power electronics solutions.