BE resistor: 150 Ohms. Darlington transistor?: yes. Quantity per case: 1. Semiconductor material: silicon. FT: 200 MHz. Function: high DC Current, Relay drivers, Lamp drivers. Max hFE gain: 2000. Minimum hFE gain: 1000. Collector current: 1A. Ic(pulse): 2A. Pd (Power Dissipation, Max): 1.25W. Assembly/installation: surface-mounted component (SMD). Housing: SOT-223 ( TO-226 ). Housing (according to data sheet): SOT-223. Type of transistor: PNP. Operating temperature: -65...+150°C. Vcbo: 60V. Maximum saturation voltage VCE(sat): 1.3V. Collector/emitter voltage Vceo: 45V. Vebo: 5V. Spec info: complementary transistor (pair) BSP50. BE diode: no. CE diode: yes