@vic AV42LT1 AV42 SOT—23 TRANSISTOR（ NPN ） 1. BASE 2. EMITTER 3. COLLECTOR FEATURES １．０ Power dissipation PCM : 0.3 W（Tamb=25℃） Collector current ICM: 0.3 A Collector-base voltage V(BR)CBO : 300 V Operating and storage junction temperature range T J ，T stg: -55℃ to +150℃ ０．９５ ０．４ ０．９５ １．９ ２．９ ２．４ １．３ Unit : mm ELECTRICAL CHARACTERISTICS（Tamb=25℃ Parameter unless Symbol otherwise Test specified） conditions Collector-base breakdown voltage V(BR)CBO Ic= 100 μA， Collector-emitter breakdown voltage V(BR)CEO Ic= 1 mA， Emitter-base breakdown voltage V(BR)EBO IE= 100μA， IC=0 Collector cut-off current ICBO VCB=200 V , IE=0 Emitter cut-off current IEBO VEB= 5V , IE=0 IB=0 MIN MAX UNIT 300 V 300 V 5 V IC=0 0.25 μA 0.1 μA HFE（1） VCE= 10V, IC= 1mA 60 HFE（2） VCE= 10V, IC=10mA 100 HFE（3） VCE=10V, IC=30mA 60 Collector-emitter saturation voltage VCE(sat) IC=20 mA, IB= 2mA 0.2 V Base-emitter saturation voltage VBE(sat) IC= 20 m A, IB=2mA 0.9 V DC current gain 200 VCE= 20V, IC= 10mA Transition frequency fT 50 MHz f=30MHz DEVICE MARKING MMBTA42LT1=1D Copyright @vic Electronics Corp. 1 Website http://www.avictek.com @vic AV42 SOT-23 PACKAGE OUTLINE DIMENSIONS D θ b L E E1 L1 0.2 e C Symbol A A1 A2 e1 Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 0.900 1.100 0.035 0.043 A1 0.000 0.100 0.000 0.004 A2 0.900 1.000 0.035 0.039 b 0.300 0.500 0.012 0.020 c 0.080 0.150 0.003 0.006 D 2.800 3.000 0.110 0.118 E 1.200 1.400 0.047 0.055 E1 2.250 2.550 0.089 e e1 1.800 L 0.100 0.037TPY 0.950TPY 2.000 0.071 0.550REF 0.079 0.022REF L1 0.300 0.500 0.012 0.020 θ 0° 8° 0° 8° Copyright @vic Electronics Corp. 2 Website http://www.avictek.com