UF304 / UF308 3A Ultra Fast Switching Rectifiers is a high efficiency product from ON Semiconductor. It features fast reverse recovery time, low forward voltage, low cost axial packages, void-free plastic in DO-201AD package, 3.0 Ampere operation at TA = 55°C with no thermal runaway, exceeds environmental standards of MIL-S-19500/228 and ultra fast switching for high efficiency.