STMicroelectronics

STGB20NB37LZT4

STGB20NB37LZT4 Description

The STGB20NB37LZT4 from STMicroelectronics is a high-performance 425V, 40A IGBT (Insulated Gate Bipolar Transistor) housed in a D2PAK surface-mount package. Designed for robust power switching applications, it features a maximum power dissipation of 200W and is part of the PowerMESH™ series, known for its low conduction and switching losses. With a collector-emitter breakdown voltage of 425V and a pulsed current capability of 80A, this device is optimized for efficiency in demanding environments. Although marked as Obsolete, it remains a reliable choice for legacy designs requiring high-current handling and fast switching characteristics.

STGB20NB37LZT4 Features

• High Voltage & Current Handling: Supports 425V V_CE and 40A continuous current (80A pulsed), ideal for high-power circuits.
• Low Switching Losses: Features 2.3µs turn-on and 2µs turn-off delays at 25°C, minimizing energy dissipation.
• Optimized Gate Drive: V_GE(on) of 2V @ 4.5V, 20A ensures efficient control with standard input signals.
• Robust Packaging: D2PAK (TO-263) package offers excellent thermal performance for surface-mount applications.
• Compliance: ROHS3 Compliant and REACH Unaffected, meeting environmental standards.
• Switching Energy: Low 11.8mJ (off) energy loss enhances efficiency in high-frequency applications.

STGB20NB37LZT4 Applications

This IGBT is particularly suited for:

• Motor Drives: Efficient control in industrial and automotive motor systems.
• Power Supplies: High-efficiency SMPS (Switched-Mode Power Supplies) and inverters.
• Welding Equipment: Reliable performance in high-current, high-voltage welding machines.
• Renewable Energy Systems: Solar inverters and wind power converters requiring robust switching.
• Induction Heating: Fast switching for precise temperature control in industrial heating systems.

Conclusion of STGB20NB37LZT4

The STGB20NB37LZT4 combines high voltage tolerance, fast switching, and thermal efficiency, making it a strong candidate for legacy power electronics designs. While obsolete, its PowerMESH™ technology ensures low losses and reliable operation in applications like motor drives, inverters, and industrial systems. Engineers seeking a proven, high-performance IGBT with D2PAK packaging may still find this device valuable for specific use cases.