STC345 Semiconductor NPN Silicon Transistor Descriptions • High voltage application • Color TV horizontal driver application • Color TV chroma output application Features • Collector-Emitter voltage VCEO=300V Ordering Information Type NO. Marking STC345 STC345 Outline Dimensions Package Code TO-220F unit : mm PIN Connections 1. Base 2. Collector 3. Emitter KST-H021-000 1 STC345 Absolute maximum ratings (Ta=25°C) Characteristic Symbol Ratings Unit Collector-Base voltage VCBO 300 V Collector-Emitter voltage VCEO 300 V Emitter-Base voltage VEBO 5 V Collector current IC 100 mA Base Current IB 20 mA PC(Ta=25℃) 2 W PC(Tc=25℃) 10 W Junction temperature Tj 150 °C Storage temperature Tstg -55~150 °C Collector dissipation Electrical Characteristics Characteristic (Ta=25°C) Symbol Test Condition Min. Typ. Max. Unit Collector cut-off current ICBO VCB=240V, IE=0 - - 1 µA Emitter cut-off current IEBO VEB=5V, IC=0 - - 1 µA DC current gain Collector-Emitter saturation voltage Transition frequency Collector output capacitance hFE (1) VCE=10V, IC=0.5mA 20 - - hFE (2) VCE=10V, IC=20mA 30 - 200 VCE(sat) IC=10mA, IB=1mA - - 1.0 V fT VCE=20V, IC=20mA 75 95 - MHz - 3 - pF Cob VCB=20V, IE=0, f=1MHz KST-H021-000 2 STC345 Electrical Characteristic Curves Fig. 1 hFE - IC Fig. 2 VCE(sat) - IC Fig. 3 fT - IC Fig. 4 COb - VR Fig. 5 Safe operating Area ) ※ . ※ ( ※ ※ . ※ ※ ℃ KST-H021-000 3