The MMBT3904M-TP is a surface mount NPN bipolar junction transistor (BJT) manufactured by Micro Commercial Components (MCC). It operates with a maximum voltage of 40 V and can handle a current up to 200 mA, making it suitable for small-signal amplification and switching tasks. With a power dissipation rating of 100 mW, the transistor comes in a compact SOT-883 package. It offers a high frequency of operation with a transition frequency of 300 MHz, providing a current gain bandwidth product that supports a wide range of high-frequency applications. The MMBT3904M-TP exhibits a low base current of 50 nA, a DC current gain (hFE) of 100 at 10 mA and 1 V, and a collector-emitter saturation voltage of 300 mV at 5 mA and 50 mA, ensuring efficient performance in its specified operations.