View rn4601 datasheet:

RN4601 TOSHIBA Transistor Silicon PNP Epitaxial Type (PCT Process) Silicon NPN Epitaxial Type (PCT Process) RN4601 Switching, Inverter Circuit, Interface Circuit Unit in mm And Driver Circuit Applications Includeing two devices in SM6 (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 ? EIAJ ? Collector-base voltage VCBO -50 V TOSHIBA 2-3N1A Collector-emitter voltage VCEO -50 V Weight: 0.015g Emitter-base voltage VEBO -10 V Collector current IC -100 mA Q2 Maximum Ratings (Ta = 25°C) Characteristic Symbo