RL20x Junction Plastic Rectifiers Rectron RL20x Junction Plastic Rectifiers feature low leakage, low forward voltage drop, and high current capability. These rectifiers operate from 50V to 1000V voltage range, 2A average forward rectified current (IO), and -55°C to 150°C operating temperature range. The RL20x rectifiers offer UL flammability classification 94V-O and are available in molded plastic cases.