NSR201MX Schottky Barrier Diode onsemi NSR201MX Schottky Barrier Diode is designed for high-frequency applications. This diode can be used widely for power detector of C band and mixer of Ku band. The X2DFN2 package of NSR201MX diode is suitable for compact and efficient designs. This NSR201MX barrier diode features small interterminal capacitance, less parasitic components, and a low forward voltage. Typical applications include a microwave and submilliwave mixer and microwave and submilliwave power detector.