The DIOTEC SM4002Q is a Schottky Barrier Rectifier, engineered for superior performance in demanding applications. With a voltage rating of 20V and a current capacity of 4A, this diode provides efficient rectification with minimal power loss. Its low forward voltage drop and rapid switching characteristics make it an excellent choice for high-frequency applications such as DC-DC converters, switching power supplies, and freewheeling circuits. The SM4002Q is housed in a DO214AC package, ensuring ease of assembly and robust performance. Supreme Components International is an authorised distributor of DIOTEC components, guaranteeing genuine products and reliable service. This Schottky diode is also suitable for polarity protection and other general-purpose rectification needs.