The 2SD1815TR-Q, manufactured by Diotec, is a versatile NPN Bipolar Junction Transistor (BJT) available at Supreme Components International, an authorised distributor. This surface-mount transistor is designed for a wide range of applications. Key features include a collector-emitter voltage (Vceo) of 50V, a continuous collector current (Ic) of 3A, and a power dissipation (Pd) of 1.25W. The SOT-89 package ensures efficient thermal performance and ease of assembly. This transistor is commonly used in switching circuits, amplification stages, and linear regulators. Its robust design and electrical characteristics make it a reliable choice for demanding applications. Supreme Components International guarantees the authenticity and quality of this Diotec product.