chdtc114eugp.pdf datasheet:

CHENMKO ENTERPRISE CO.,LTDCHDTC114EUGPSURFACE MOUNT NPN Digital Silicon TransistorVOLTAGE 50 Volts CURRENT 50 mAmpereAPPLICATION* Switching circuit, Inverter, Interface circuit, Driver circuit.FEATURE* Small surface mounting type. (SC-70/SOT-323) SC-70/SOT-323* High current gain. * Suitable for high packing density.* Low colloector-emitter saturation.* High saturation current capability.* Internal isolated NPN transistors in one package. 0.651.30.12.00.20.65* Built in bias resistor(R1=10k, Typ. ) 0.30.1CONSTRUCTION1.250.1* One NPN transistors and bias of thin-film resistors in one package.MARKING* N30.8~1.10.05~0.20~0.10.1Min.Gnd In2 12.0~2.45CIRCUITR2TRR13Out Dimensions in millimeters SC-70/SOT-323LIMITING VALUESIn accordance with the Absolute Maximum Rating System (IEC 60134).SYMBOL PARAMETER