View umh11n datasheet:

Transistors General purpose (dual digital transistors ) UMH11N / IMH11A FFeatures FExternal dimensions (Units: mm) 1) Two DTC114E chips in a UMT or SMT package. 2) Mounting possible with UMT3 or SMT3 automatic mounting ma- chines. 3) Transistor elements are indepen- dent, eliminating interference. 4) Mounting cost and area can be cut in half. FStructure Epitaxial planar type NPN silicon transistor (Built-in resistor type) The following characteristics apply to both DTr1 and DTr2. FAbsolute maximum ratings (Ta = 25_C) (96-490-C114E) 551 Transistors UMH11N / IMH11A FElectrical characteristics (Ta = 25_C) FPackaging specifications FElectrical characteristic curves 552