RM400DY-66S is a high voltage fast recovery diode module manufactured by Mitsubishi, with a rated current of 400A and a rated reverse peak voltage of 3300V. It is an insulated type and is packaged in 2-element packs.
The RM400DY-66S is a high‑power fast recovery diode (HVDi) module designed for use in 3‑level inverters, converters and DC choppers. It is an insulated‑type package containing two diode elements.
The datasheet lists absolute maximum ratings, electrical characteristics, mechanical dimensions, mounting requirements and performance curves, enabling engineers to assess suitability for high‑voltage switching applications.
| Repetitive peak reverse voltage (VRRM) | 3300 V |
|---|---|
| Non‑repetitive peak reverse voltage (VRSM) | 3300 V |
| Output DC current (IDC) | 400 A |
| Storage temperature range | -40 °C to +125 °C |
| Mounting torque (M8 screw) | 6.67 – 13.00 N·m |
| Mounting torque (M6 screw) | 2.84 – 6.00 N·m |
| Mass | 1.5 kg |
The module can withstand a repetitive peak reverse voltage of 3300 V.
The rated output DC current is 400 A at 25 °C.