PS22A78 — DIPIPM for Industrial Motor Control
The PS22A78 is a Dual-In-Line Intelligent Power Module (DIPIPM) from Mitsubishi Electric designed for three-phase inverter and motor-control systems. It features CSTBT (CST-IGBT) power devices with a collector-emitter voltage rating of 1200 V and a continuous collector current of ±35 A, making it suitable for 0.2–5.5 kW AC-400 V class drives, UPS units, and industrial inverters.
This module integrates gate drivers, high-voltage level-shifters, and several protection functions in a compact insulated package. Built-in protections include under-voltage lockout, short-circuit protection, fault signalling, and an analog temperature output. It also provides stable thermal performance with a case-to-heatsink thermal resistance of about 0.2 K/W (per 1/6 module, with specified grease), helping maintain reliable operation.
The PS22A78 supports efficient power conversion and reduced switching losses while simplifying system design through integrated protection and control functions. Its structure and electrical performance make it a reliable choice for motor drives, compact inverters, and commercial power electronic systems where long operating life and dependable thermal behaviour are required.
Key Specs
| Parameter | Value |
|---|---|
| Manufacturer | Mitsubishi Electric |
| Part number | PS22A78-E |
| V<sub>CES</sub> (Collector-Emitter Voltage) | 1200 V. |
| Continuous collector current (25 °C) | ±35 A. |
| Configuration | 6-pack IGBT module (DIPIPM). |
| V<sub>CE(sat)</sub> (typical) | ~1.9 V. |
| Power dissipation (Pd) | ~129.9 W. |
| Thermal resistance, case-to-heatsink (Rth c-f) | ≈ 0.2 K/W (per 1/6 module, specified grease). |
| Integrated protections | UV protection, SC protection, fault signalling, temperature output. |
| Application range | 0.2 – 5.5 kW, AC-400 V class motor control and small inverters. |
| Package | Transfer-molded insulated DIPIPM |
For more detailed information, please refer to the Mitsubishi Electric datasheet: PS22A78-E Datasheet (PDF).
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