View bcr198w datasheet:

BCR 198W PNP Silicon Digital Transistor • Switching circuit, inverter, interface circuit, driver circuit • Built in bias resistor (R1 = 47k?, R2 = 47k?) Type Marking Ordering Code Pin Configuration Package BCR 198W WRs Q62702-C2283 1 = B 2 = E 3 = C SOT-323 Maximum Ratings Parameter Symbol Values Unit Collector-emitter voltage VCEO 50 V Collector-base voltage VCBO 50 Emitter-base voltage VEBO 10 Input on Voltage Vi(on) 50 DC collector current IC 70 mA Total power dissipation, TS = 124°C Ptot 250 mW Junction temperature Tj 150 °C Storage temperature Tstg - 65 ... + 150 Thermal Resistance 1) Junction ambient RthJA ? 240 K/W Junction - soldering point RthJS ? 105 1) Package mounted on pcb 40mm x 40mm x 1.5mm / 0.5cm2 Cu Semiconductor Group 1 Nov-27-1996 BCR 198W Elec