SKM150GAL12T4
The SKM150GAL12T4 is an IGBT half-bridge module designed for power-electronics systems that require high voltage and sustained current. It combines a 1,200 V blocking voltage with a nominal 150 A collector current and supports up to 232 A continuous collector current at a case temperature (Tc) of 25 °C. It uses 4th-generation trench IGBT technology and a CAL4 soft-switching diode to reduce switching stress and improve switching behavior. (Data from official datasheet.)
This module shows low collector-emitter saturation voltage (typical ≈ 1.8 V at IC = 150 A, VGE = 15 V), integrated gate resistance, and a direct-bonded copper (DBC) baseplate for improved thermal conduction and mechanical stability. The switching energy values (Eon ≈ 19.2 mJ, Eoff ≈ 15.8 mJ at Tj = 150 °C) allow operation at moderate switching frequencies (up to about 20 kHz depending on application). It also features high short-circuit withstand and validated thermal impedance performance.
In industrial and commercial environments, the SKM150GAL12T4 is used in DC/DC converters, motor drive inverters, brake choppers, and electronic welding machines. It is rated for maximum case temperature of 125 °C, has 4,000 VAC isolation (1 minute test), and is UL recognized. For full details on pin-out, mounting, and thermal curves, the official datasheet should be consulted.
Key specs
| Parameter | Value |
|---|---|
| Manufacturer | SEMIKRON (Semikron Danfoss) |
| Part number | SKM150GAL12T4 (legacy 22892300) |
| Device type | Fast IGBT4 half-bridge module |
| Blocking voltage (VCE(s)) | 1,200 V |
| Nominal collector current (ICnom) | 150 A |
| Continuous collector current at Tc = 25 °C | 232 A |
| Diode continuous current (IFnom) | 150 A |
| Typical VCE(sat) | ≈ 1.8 V @ IC = 150 A, VGE = 15 V |
| Integrated gate resistor | ≈ 5.0 Ω |
| Switching energy (Tj = 150 °C) | Eon ≈ 19.2 mJ / Eoff ≈ 15.8 mJ |
| Thermal resistance, junction to case (Rth j-c) | ≈ 0.19 K/W |
| Isolation voltage | 4,000 VAC (1 min) |
| Maximum case temperature (Tc) | 125 °C |
| Approximate dimensions | 94 × 34 × 30 mm |
| Weight | ~160 g |
For more detailed information, please refer to the Semikron datasheet
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