BF491 RECTRON | Alldatasheet
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Technical content
PNP SILICON PLANAR EPITAXIAL HIGH VOLTAGE VIDEO TRANSISTORS High Voltage Video Amplifier MAXIMUM RA TINGS AND ELECTRICAL CHARACTERISTICS Ratings at 25 o C ambient temperature unless otherwise specified. BF491 THRU BF493 TO-92 Dimensions in inches and (millimeters) Darlington Transistor * Power Dissipation: PD=625mW
ELECTRICAL CHARACTERISTICS
TA=25 OC unless otherwise noted T A=25 OC unless otherwise noted SYMBOL VCEO VEBO VCBO Tj,TSTG UNITS Volts Volts Volts Volts Volts Volts Volts Volts mAmps uA uA 500 >250 <0.1 >25 >40 >8.0 >250 >200 <0.1 <0.1 <0.1 <0.1 >25 >40 >6.0 >200 >300 <0.1 >25 >40 >8.0 >300 250 mW mW/ C mW mW/ C Total Device Dissipation @ Ta=25ºC Derate Above 25ºC Total Device Dissipation @ Tc=25ºC Derate Above 25ºC Operating And Storage Junction Temperature Range IC PD PD SYMBOL BVCBO BVCEO* BVEBO ICBO 625 1500 1.2 -55 to + 150 0C BF492 VD 2009-10 REV: O UNITS 250 200 BF491 200 300 BF493 300 IC=0.1mA,IE=0 IC=1mA,IB=0 IE=100uA,IC=0 VCB=160V,IE=0 VCB=200V,IE=0 VEB=4.0V,IC=0 VEB=6.0V,IC=0 IC=1mA,VCE=10V IC=10mA,VCE=10V IC=20mA,IB=2mA IC=20mA,IB=2mA
DESCRIPTION
DESCRIPTION Test Condition BF492BF491 BF493 Collector-Emitter Voltage Collector-Base Breakdown Voltage Collector-Emitter Breakdown Voltage Emitter-Base Breakdown Voltage Collector Cutoff Current Collector Base Voltage Emitter Base Voltage Collector Current Continuous .165(4.19) .125(3.18) .205(5.20) .175(4.45) .020(0.50) .014(0.35) .022(0.55) .016(0.41) .082(2.082) .078(1.982) .058(1.40) .045(1.14) .055(1.40) .045(1.14) .210(5.33) .170(4.32) .50(12.7MIN.) .062(1.53) .045(1.14) 3 2 1 3 2 1 Emitter Cutoff Current IEBO DC Current Gain hFE Collector-Emitter Saturation Voltage VCE(sat) VBE(sat)Base-Emitter Saturation Voltage BASE EMITTER COLLECTOR
ELECTRICAL CHARACTERISTICS (Ta=25ºC unless specified otherwise) DESCRIPTION SYMBOL TEST CONDITION UNITS fT IC=10mA, VCE=20V, f=20MHz MHz VCB=100V, f=1MHz, IE=0 <2 pF >50 BF492 >50 BF491 >50 BF493 Current Gain-Bandwidth Product Feedback Capacitance Cre *Pulse Condition: = Width < 300us, Duty Cycle < 2.0%.
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