BCW31 SURFACE MOUNT NPN SILICON TRANSISTOR w w w. c e n t r a l s e m i . c o m DESCRIPTION: The CENTRAL SEMICONDUCTOR BCW31, manufactured in the popular SOT-23 Surface Mount package, is an NPN General Purpose Switching and Amplification Transistor, suitable for applications requiring collector currents up to 100mA. MARKING CODE: D1 SOT-23 CASE MAXIMUM RATINGS: (TA=25°C) Collector-Base Voltage Collector-Emitter Voltage Emitter-Base Voltage SYMBOL VCBO VCEO VEBO 30 UNITS V 20 V 5.0 V IC PD 100 mA 350 mW TJ, Tstg ΘJA -65 to +150 °C 357 °C/W ELECTRICAL CHARACTERISTICS: (TA=25°C) SYMBOL TEST CONDITIONS BVCBO IC=10μA BVCEO IC=2.0mA MIN 30 MAX UNITS V 20 V BVEBO IE=10μA 5.0 V VCE(SAT) IC=10mA, IB=0.5mA VCE=5.0V, IC=2.0mA 0.25 V 0.55 0.70 V 110 220 Continuous Collector Current Power Dissipation Operating and Storage Junction Temperature Thermal Resistance VBE(ON) hFE Cob NF VCE=5.0V, IC=2.0mA VCB=10V, IE=0, f=1.0MHz IC=0.2mA, VCE=5.0V, RS=2.0kΩ, f=1.0MHz, BW=200Hz 4.0 pF 10 dB R3 (20-November 2009) BCW31 SURFACE MOUNT NPNSILICON TRANSISTOR SOT-23 CASE - MECHANICAL OUTLINE LEAD CODE: 1) BASE 2) EMITTER 3) COLLECTOR MARKING CODE: D1 R3 (20-November 2009) w w w. c e n t r a l s e m i . c o m