The S-GBP406_HF-TU-LT is a bridge rectifier manufactured by Lite-On. It has a rated voltage of 600 volts and a rated current of 4 amps at 1 volt and 2 amps. It is RoHS compliant and designed for use in a variety of applications, including switching power supplies, motor control, and appliance control. Because it is RoHS compliant, it is also considered safe for use in environments with higher than normal amounts of dust, dirt, humidity, or gases.