The MMDT5213W by Diotec is a digital, pre-biased, bipolar transistor with a SOT-323 package. It has a voltage rating of 50V and a current rating of 100mA. The pre-biased transistor provides high efficiency and performance, with a low base-emitter voltage (VBE) and low base-collector capacitance (Cbc). It is capable of switching fast between collector and emitter voltage, making it suitable for a variety of applications such as battery-powered instruments, audio amplifiers, power switches, and RF transistors. The MMDT5213W can also be used in a variety of applications, such as communications, low power switching, and high voltage Power ICs.