The SK54 is a RoHS-compliant, Surface Mount Device (SMC) Schottky Barrier Diode (SBD) manufactured by Good-Ark. It has a DO-214AB package and is used to fast switch or regulate voltage in electronics. It can be used to convert an AC signal to DC, help prevent voltage spikes, and regulate voltage in power supplies, among other applications. The SK54 is designed to handle a high current rating of up to 500mA, has a forward current PIV of 40V, a reverse current IR of 100uA, and a reverse stand-off voltage VR of 30V. It is suitable for use in a variety of applications, offering high current and reverse voltage protection to help protect sensitive components.