chuma10gp.pdf datasheet:

CHENMKO ENTERPRISE CO.,LTD CHUMA10GP SURFACE MOUNT Dual Digital Silicon Transistor VOLTAGE 50 Volts CURRENT 100 mAmpere APPLICATION * Switching circuit, Inverter, Interface circuit, Driver circuit. FEATURE * Small surface mounting type. (SC-88A/SOT-353) SC-88A/SOT353 * High current gain. * Suitable for high packing density. * Low colloector-emitter saturation. * High saturation current capability. (4) (3) * tow CHDTA123J chips in apackage. 0.65 * Built in bias resistor(R1=2.2k , Typ. ) 1.3 0.1 2.0 0.2 0.65 0.1 (5) (1) 0.2 0.05 1.25 0.1 0.15 0.05 0.9 0.1 0.7 0.1 0 0.1 0.1 Min. 3 2 1 CIRCUIT 2.3 0.15 R1 R1 R2 R2 4 5 Dimensions in millimeters SC-88A/SOT353 LIMITING VALUES In accordance with the Absolute Maximum Rating System (IEC 60134). SYMBOL PARAMETER CONDITIONS MIN. MAX. UNIT VCC Supply voltage - -50 V VIN Input voltage -12 +5 V