Semiconductor material: silicon. FT: 150 MHz. Collector current: 2A. Pd (Power Dissipation, Max): 1W. Assembly/installation: PCB through-hole mounting. Housing: TO-92. Housing (according to data sheet): TO-92. Type of transistor: NPN. Collector/emitter voltage Vceo: 45V. Function: hFE 500, Very low-sat VBE(sat) 0.9V. Quantity per case: 1. Spec info: complementary transistor (pair) ZTX790