The 300U Series 300A Standard Recovery Diodes are a popular series of rough service alloy diodes with stud anodes and cathodes, RoHS compliant. Typical applications include welders, power supplies, motor controls, battery chargers and general industrial current rectification.
The 300U(R) Series standard recovery diodes are alloy devices designed for rough service with stud cathode and stud anode versions. They are RoHS compliant and suited for welders, power supplies, motor controls, battery chargers, and general industrial current rectification.
The bulletin includes detailed electrical ratings such as forward current and voltage, thermal resistance values, mechanical dimensions, and ordering information. It also presents thermal impedance curves and surge current characteristics for design engineers.
| Maximum average forward current | 300 A |
|---|---|
| Maximum peak forward voltage | 1.40 V |
| Junction operating temperature range | -65 °C to 200 °C |
| Junction‑to‑case thermal resistance | 0.18 K/W |
| Approximate weight | 250 g |
They are used in welders, power supplies, motor controls, battery chargers, and general industrial current rectification.
The diode can handle a maximum average forward current of 300 A at 180° conduction, half‑sine wave.
The junction‑to‑case thermal resistance is 0.18 K/W.