View rn4981 datasheet:

RN4981 TOSHIBA Transistor Silicon NPN Epitaxial Type (PCT Process) Silicon PNP Epitaxial Type (PCT Process) RN4981 Switching, Inverter Circuit, Interface Circuit Unit: mm And Driver Circuit Applications Includeing two devices in US6 (ultra super mini type with 6 leads) With built-in bias resistors Simplify circuit design Reduce a quantity of parts and manufacturing process Equivalent Circuit and Bias Resister Values R1: 4.7k? R2: 4.7k? (Q1, Q2 Common) Q1 Maximum Ratings (Ta = 25° °C) ° ° Characteristic Symbol Rating Unit JEDEC ? Collector-base voltage VCBO 50 V EIAJ ? Collector-emitter voltage VCEO 50 V TOSHIBA 2-2J1A Weight: 6.8mg Emitter-base voltage VEBO 10 V Collector current IC 100 mA Q2 Maximum Ratings (Ta = 25° °C) ° ° Cha