STC945N Semiconductor NPN Silicon Transistor Description * General small signal amplifier Features * Low collector saturation voltage : VCE(sat)=0.25V(Max.) * Low output capacitance : Cob=2pF(Typ.) * Complementary pair with STA733N Ordering Information Type NO. Marking STC945N STC945 Package Code TO-92N Outline Dimensions unit : mm 4.20~4.40 4.20~4.40 2.25 Max. 2.14 Typ. 13.50~14.50 0.52 Max. 0.90 Max. 1.27 Typ. 1 2 3 0.40 Max. 3.09~3.29 3.55 Typ PIN Connections 1. Emitter 2. Collector 3. Base KSD-T0C003-001 1 STC945N Absolute Maximum Ratings (Ta=25C) Characteristic Symbol Rating Unit Collector-base voltage VCBO 50 V Collector-emitter voltage VCEO 40 V Emitter-base voltage VEBO 5 V Collector current IC 150 mA Collector power dissipation PC 400 mW Junction temperature TJ 150 C Tstg -55~150 C Storage temperature range Electrical Characteristics (Ta=25C) Characteristic Symbol Collector-emitter breakdown voltage BVCEO IC=1mA, IB=0 40 - - V Collector cut-off current ICBO VCB=50V, IE=0 - - 0.1 A Emitter cut-off current IEBO VEB=5V, IC=0 - - 0.1 A 70 - 700 - IC=100mA, IB=10mA - - 0.25 V VCE=6V, IC=2mA - 0.67 0.9 V VCE=10V, IC=10mA - 200 - MHz VCB=10V, IE=0, f=1MHz - 2 - pF DC current gain Collector-emitter saturation voltage * hFE VCE(sat) Base-emitter voltage VBE Transition frequency fT Collector output capacitance Cob Test Condition VCE=6V, IC=2mA Min. Typ. Max. Unit * : hFE rank / O : 70 ~ 140, Y : 120 ~ 240, G : 200 ~ 400, L : 300 ~ 700 KSD-T0C003-001 2 STC945N Electrical Characteristic Curves Fig. 2 IC - VBE Fig. 1 PC - Ta Fig. 4 hFE - IC Fig. 3 IC - VCE Fig. 5 VCE(sat) - IC Fig. 6 hFE - IC KSD-T0C003-001 3 STC945N The AUK Corp. products are intended for the use as components in general electronic equipment (Office and communication equipment, measuring equipment, home appliance, etc.). Please make sure that you consult with us before you use these AUK Corp. products in equipments which require high quality and / or reliability, and in equipments which could have major impact to the welfare of human life(atomic energy control, airplane, spaceship, transportation, combustion control, all types of safety device, etc.). AUK Corp. cannot accept liability to any damage which may occur in case these AUK Corp. products were used in the mentioned equipments without prior consultation with AUK Corp.. Specifications mentioned in this publication are subject to change without notice. KSD-T0C003-001 4