The ACDST-2004S-HF from Comchip Technology is a fast recovery diode array that is designed for use in various electronic devices. It comes with a voltage DC reverse (Vr) of 300V and a voltage forward (Vf) of 1V at 100mA. The ACDST-2004S-HF is designed with high-quality materials and advanced technology to ensure reliable performance. It is ideal for use in various electronic devices, including power supplies, inverters, and converters.