The 1N4007B is an electronic part manufactured by Pingwei. It is a RoHS-compliant, quadratic unclassified data DO-41 diode, featuring a voltage rating of up to 1,000 volts and a peak forward surge current of 30 amperes. It is designed for most general-purpose applications, including rectification, polarity protection, and steering. This diode has a low on-state voltage of 1.1 volts and is capable of high blocking voltage capabilities. The 1N4007B can also be used in power supplies, appliances, and automotive applications.