The DTD133HKT146 is an NPN - Pre-Biased transistor manufactured by Rohm Semiconductor. It is a surface mount device with a TO-236-3, SC-59, SOT-23-3 package and a mounting of SMD (SMT). It has a power - max of 200mW, voltage - collector emitter breakdown (Max) of 50V, and current - collector (Ic) (Max) of 500mA. It has a Vce saturation (Max) @ Ib, Ic of 300mV @ 2.5mA, 50mA and DC current gain (hFE) (Min) @ Ic, Vce of 56 @ 50mA, 5V. The frequency - transition is 200MHz. This product is in the Discrete Semiconductor Products>Transistors - Bipolar (BJT) - Single, Pre-Biased category.