View rn1507-1509 datasheet:

RN1507?RN1509 TOSHIBA Transistor Silicon NPN Epitaxial Type (PCT Process) RN1507,RN1508,RN1509 Unit: mm Switching, Inverter Circuit, Interface Circuit And Driver Circuit Applications Including two devices in SMV (super mini type with 5 leads)With built-in bias resistors Simplify circuit design Reduce a quantity of parts and manufacturing process Complementary to RN2507~RN2509 Equivalent Circuit and Bias Resister Values Type No. R1 (k?) R2 (k?) RN1907 10 47 RN1908 22 47 JEDEC ? RN1909 47 22 EIAJ ? TOSHIBA 2-3L1A Weight: 0.014g Equivalent Circuit (Top View) Maximum Ratings (Ta = 25° °C) (Q1, Q2 Common) ° ° Characteristic Symbol Rating Unit Collector-base voltage VCBO 50 V RN1507~1509 Collector-emitter voltage VCEO 50 V RN1507 6 Emitter