The electronic part B5817W is a Schottky Barrier Diode (SBD) manufactured by JSMSEMI. It features a SOD-123 package with a reverse voltage of 30 V, a forward current of 200 mA, a forward voltage of 0.45 V, and an operating temperature range from -65°C to 150°C. It is RoHS compliant, making it suitable for use in a variety of commercial and industrial environments. The SBD provides excellent forward voltage drop and low reverse leakage current, which make it well suited for use as a diode in power applications.