BF821 DGNJDZ | Alldatasheet
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TRANSI STOR (PNP)
FEATURES
z Low current (max.-50 mA) z High voltage (max.-300V) z Telephony and professional communication equipment. MARKING: BF821:1W, BF823: 1Y MAXIMUM RATINGS (T a =25℃ unless otherwise noted) Symbol Parameter Value Unit V CBO Collector-Base Voltage BF821 BF823 -300 -250 V V CEO Collector-Emitter Voltage BF821 B F 823 -300 -250 V V EBO Emitter-Base Voltage -5 V I C Collector Current -Continuous -50 mA P C Collector Power Dissipation 0.25 W Operation Junction and Storage Temperature Range ℃ TJ,Tstg -55~150 ELECTRICAL CHARACTERISTICS (Ta=25℃ unless otherwise specified) Parameter Symbol Test conditions M in Max Unit Collector-base breakdown voltage V (BR)CBO I C =-100 μ A, I E =0 BF821 BF823 -300 -250 V Collector-emitter breakdown voltage V (BR)CEO I C =-1mA, I B =0 BF821 BF823 -300 -250 V Emitter-base breakdown voltage V (BR)EBO I E = -100 μ A, I C =0 -5 V Collector cut-off current I CBO V CB =-200V,I E =0 -0.01 μ A Emitter cut-off current I EBO V EB = -5V,I C =0 -0.05 μ A DC current gain h FE V CE = -20V,I C =-25mA 50 Collector-emitter saturation voltage V CE(sat) I C =-30mA,I B = -5mA -0.8 V Transition frequency f T V CE =-10V, I C = -10mA, 100MHz
60 MHz
Collector output capacitance C ob V CB =-30V,I E =0,f=1MHz 1.6 pF SOT-23 1. BASE 2. EMITTER 3. COLLECTOR DONGGUAN NANJING ELECTRONICS LTD., Dongguan Nanjing Electronics Ltd. www.dgnjdz.com
Symbol Dimensions In InchesDimensions In Millimeters Dongguan Nanjing Electronics Ltd. 2/3 www.dgnjdz.com
Dongguan Nanjing Electronics Ltd. 3/3 www.dgnjdz.com