STTH310/S is a high voltage ultrafast rectifier produced by ST company. It has low forward voltage drop, high reliability, high surge current capability, soft switching and other characteristics. It is suitable for power supplies and other power switching applications.
The STTH310/S high‑voltage ultrafast rectifier is designed for free‑wheeling, clamping, snubbering and demagnetization in power‑supply and other power‑switching applications. It features low forward voltage drop, high reliability, high surge‑current capability and soft‑switching to reduce EMI disturbances.
Key electrical specifications include a repetitive peak reverse voltage of 1000 V, average forward current of 3 A, maximum forward voltage of 1.42 V, and a maximum junction temperature of 175 °C. Thermal data show a junction‑to‑ambient resistance of 75 °C/W. Mechanical data list the TO‑220 package dimensions and a weight of 1.12 g.
| VRRM (Repetitive peak reverse voltage) | 1000 V |
|---|---|
| VF(max) (Maximum forward voltage drop) | 1.42 V |
| Tj(max) (Maximum junction temperature) | 175 °C |
| Rth(j‑a) (Junction‑to‑ambient thermal resistance) | 75 °C/W |
| Package dimension A1 (min) | 1.90 mm |
The device can withstand a repetitive peak reverse voltage of 1000 V.
The forward surge current is 55 A for the DO‑201AD package and 45 A for the SMC package.
The storage temperature range is –50 °C to +175 °C, and the maximum operating junction temperature is 175 °C.