RECTIFIER DIODE AR371 is a rectifier diode with a repetitive voltage of up to 3400V and a mean forward current of 920A. It features high voltage withstand capability, high current carrying capacity, and low reverse current.
The POSEICO AR371 is a high‑power rectifier diode offered by POSEICO SPA in Italy. The datasheet lists its key electrical ratings, thermal performance, and mechanical dimensions for designers and engineers.
Key specifications include a repetitive peak reverse voltage of 3400 V, a mean forward current of 920 A, and a surge forward current capability of 5.6 kA. Thermal impedance values and mounting force requirements are also provided to ensure proper heat‑sink design.
| Repetitive peak reverse voltage (VRRM) | 3400 V |
|---|---|
| Non‑repetitive peak reverse voltage (VRSM) | 3500 V |
| Mean forward current | 920 A |
| Forward voltage (VF) at threshold | 0.70 V |
| Thermal impedance, junction to heatsink (RθJ‑H) | 5 °C/W |
| Mounting force | 8.0 kN |
| Mass | 85 g |
The AR371 can withstand a repetitive peak reverse voltage of 3400 V.
The ordering information lists the code as AR371S34.
The thermal impedance (junction‑to‑heatsink) is 5 °C/W for double‑side cooled mounting.