SMD Schottky Barrier Diode 230mW – Taiwan Semiconductor BAT54C RF, 0.2A 30V SMT Schottky Barier Diode; Dual Chip; Common Cathode A surface mount BAT54C Schottky barrier diode that has a common cathode configuration. The device has a fast switching speed and comes in a SOT-23 package. Taiwan Semiconductor BAT54C RF 0.2A 30V SMT Schottky Diode Common Cathode