Darlington transistor?: yes. Semiconductor material: silicon. Function: Complementary power Darlington transistor. Max hFE gain: 1000. Minimum hFE gain: 500. Collector current: 10A. Ic(pulse): 20A. Temperature: +150°C. Pd (Power Dissipation, Max): 90W. RoHS: yes. Assembly/installation: PCB through-hole mounting. Technology: Monolithic Darlington. Housing: TO-220. Housing (according to data sheet): TO-220. Type of transistor: NPN. Operating temperature: -65...+150°C. Vcbo: 100V. Saturation voltage VCE(sat): 2V. Collector/emitter voltage Vceo: 100V. Vebo: 5V. Number of terminals: 3. BE resistor: R1 typ=5k Ohms, R2 typ=60 Ohms. Spec info: complementary transistor (pair) TIP147T. BE diode: no. CE diode: yes