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MOTOROLA Order this document SEMICONDUCTOR TECHNICAL DATA by MPSA18/D Low Noise Transistor NPN Silicon MPSA18 Motorola Preferred Device COLLECTOR 3 2 BASE 1 EMITTER 1 2 3 MAXIMUM RATINGS CASE 29–04, STYLE 1 Rating Symbol Value Unit TO–92 (TO–226AA) Collector–Emitter Voltage VCEO 45 Vdc Collector–Base Voltage VCBO 45 Vdc Emitter–Base Voltage VEBO 6.5 Vdc Collector Current — Continuous IC 200 mAdc Total Device Dissipation @ TA = 25°C PD 625 mW Derate above 25°C 5.0 mW/°C Total Device Dissipation @ TC = 25°C PD 1.5 Watts Derate above 25°C 12 mW/°C Operating and Storage Junction TJ, Tstg –55 to +150 °C Temperature Range THERMAL CHARACTERISTICS Characteristic Symbol Max Unit Thermal Resistance, Junction to Ambient RqJA(1) 200 °C/W Thermal Resistance, Junction t