The MMBTRA103SS with Bipolar Transistors - Pre-Biased Digital Transistor, SOT-23, 50V, 100mA manufactured by Diotec is a NPN type transistor in a small SOT-23 (Small Outline Transistor) package. It offers a pre-biased solution as an active element within a circuit. It is suitable for applications such as switching, amplifying, and hybrid circuits where space is limited, such as in portable devices. It has a maximum voltage rating of 50V and a maximum current rating of 100mA. It is also RoHS (Restriction of Hazardous Substances) compliant, making it a safe and reliable choice for a variety of electronic applications.