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BF421 Dataheets PDF



Part Number BF421
Manufacturers KEC
Logo KEC
Description Silicon PNP Transistor
Datasheet BF421 DatasheetBF421 Datasheet (PDF)

SEMICONDUCTOR TECHNICAL DATA HIGH VOLTAGE SWITCHING AND AMPLIFIER APPLICATION. COLOR TV CHROMA OUTPUT APPLICATIONS. FEATURES High Voltage : VCEO>-300V Complementary to BF420. BF421 SILICON PNP TRIPLE DIFFUSED TYPE MAXIMUM RATING (Ta=25 ) CHARACTERISTIC SYMBOL Collector-Base Voltage Collector-Emitter Voltage Emitter-Base Voltage Collector Current DC Peak Collector Power Dissipation Base Current Junction Temperature VCBO VCEO VEBO IC ICP PC IB Tj Storage Temperature Range Tstg RATI.

  BF421   BF421



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SEMICONDUCTOR TECHNICAL DATA HIGH VOLTAGE SWITCHING AND AMPLIFIER APPLICATION. COLOR TV CHROMA OUTPUT APPLICATIONS. FEATURES High Voltage : VCEO>-300V Complementary to BF420. BF421 SILICON PNP TRIPLE DIFFUSED TYPE MAXIMUM RATING (Ta=25 ) CHARACTERISTIC SYMBOL Collector-Base Voltage Collector-Emitter Voltage Emitter-Base Voltage Collector Current DC Peak Collector Power Dissipation Base Current Junction Temperature VCBO VCEO VEBO IC ICP PC IB Tj Storage Temperature Range Tstg RATING -300 -300 -5 -50 -100 625 -50 150 -65 150 UNIT V V V mA mW mA ELECTRICAL CHARACTERISTICS (Ta=25 ) CHARACTERISTIC SYMBOL Collector Cut-off Current Emitter Cut-off Current DC Current Gain Collector-Emitter Saturation Voltage Base-Emitter Voltage Transition Frequency Reverse Transfer Capacitance ICBO IEBO hFE VCE(sat) VBE fT Cre TEST CONDITION VCB=-200V, IE=0 VCB=-200V, IE=0, Tj=150 VEB=-5V, IC=0 VCE=-20V, IC=-25mA IC=-30mA, IB=-5mA VCE=-20V, IC=-25mA VCE=-10V, IC=-10mA VCB=-30V, IE=0, f=1MHz MIN. 50 60 - TYP. MAX. UNIT - -10 nA - -10 A - -50 nA - 300 - - -0.6 V -0.75 - V - - MHz - 1.6 pF 2012. 3. 14 Revision No : 4 1/3 BF421 2012. 3. 14 Revision No : 4 2/3 BF421 2012. 3. 14 Revision No : 4 3/3 .


BF420 BF421 BF422


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