STD129 PDF File ( Datasheet )

Semiconductor STD129 NPN Silicon Transistor Description Extremely low collector-to-emitter saturation voltage ( VC E ( S A T )=0.2V Typ. @IC , IB =3A, 150mA) Suitable for low voltage large current drivers Switching Application Ordering Information Type NO. STD129 Marking STD129 Package Code TO-92 Outline Dimensions 3.45±0.1 4.5±0.1 2.25±0.1 unit : mm 4.5±0.1 0.4±0.02 2.06±0.1 14.0±0.40 1.27 Typ. 2.54 Typ. 1 2 3 1.20±0.1 PIN Connections 1. Emitter 2. Collector 3. Base 0.