The UF4001G‑UF4007G series are 1 A glass‑passivated ultra‑fast rectifiers with low forward voltage drop, high surge capability and high reliability. Features include low forward voltage, high current capability, high surge current and robust mechanical construction.
The datasheet lists electrical ratings such as a voltage range of 50‑800 V, peak forward surge current of 30 A, reverse recovery time of 50‑70 ns, and typical junction capacitance of 15‑20 pF. Mechanical data include a molded‑plastic case, axial leads, a weight of 0.34 g and a color‑band polarity indicator.
| Voltage range | 50 to 800 V |
|---|---|
| Maximum current | 1.0 A |
| Maximum reverse voltage | 50‑1000 V (model dependent) |
| Peak forward surge current (8.3 ms half‑sine) | 30 A |
| Reverse recovery time | 50‑70 ns |
| Junction capacitance | 15‑20 pF |
| Operating temperature range | -65 °C to +150 °C |
| Weight | 0.34 g |
| Case material | Molded plastic |
| Lead type | Axial leads, solderable per MIL‑STD‑202 |
| Polarity indication | Color band denotes cathode end |
The rectifiers operate from 50 V up to 800 V.
Depending on the model, the maximum reverse voltage is between 50 V and 1000 V.
The reverse recovery time is specified as 50‑70 ns.