umg2n.pdf datasheet:

UMG2N DIGITAL TRANSISTOR (NPN+ NPN) SOT-353 Features Two DTC144E transistors are built-in a package. (3) (2) (1)R1=47k R1 R2=47kR2 R2 1 DTr2 DTr1(4) (5)/(6)MARKING: G2 Absolute maximum ratings(Ta=25) Parameter Symbol Limits UnitSupply voltage VCC 50 VInput voltage VIN -10 to+40 VIO 30 mAOutput current IC(Max.) 100 mAPower dissipation PC 150 mWJunction temperature Tj 150 Storage temperature Tstg -55 to+ 150 Electrical characteristics (Ta=25) Parameter Symbol Min. Typ Max. Unit ConditionsVI(off) 0.5 VCC=5V ,IO=100A Input voltage V VI(on) 3 VO=0.3V ,IO=2mA Output voltage VO(on) 0.3 V IO/II=10mA/0.5mA Input current II 0.18 mA VI=5V Output current IO(off) 0.5 A VCC=50V,VI=0 DC current gain GI 68 VO=5V,IO=5mA Input resistance R1 32.9 47 61.1 KResistance ratio R2/R1 0.8 1 1.2Transition frequency f