NDSH40120CDN Silicon Carbide (SiC) Schottky Diode onsemi NDSH40120CDN Silicon Carbide (SiC) Schottky Diode provides superior switching performance and greater reliability than Silicon. The onsemi diode has no reverse recovery current, temperature-independent switching characteristics and excellent thermal performance. System benefits include the highest efficiency, faster operating frequency, increased power density, reduced EMI, and reduced system size and cost.