BF491 THRU BF493 PNP SILICON PLANAR EPITAXIAL HIGH VOLTAGE VIDEO TRANSISTORS High Voltage Video Amplifier Darlington Transistor * Power Dissipation: PD=625mW TO-92 .210(5.33) .170(4.32) .205(5.20) .175(4.45) 3 2 1 .082(2.082) .50(12.7MIN.) .078(1.982) .022(0.55) .016(0.41) .020(0.50) .014(0.35) .055(1.40) .045(1.14) .058(1.40) .045(1.14) MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS o Ratings at 25 C ambient temperature unless otherwise specified. COLLECTOR 1 .165(4.19) .125(3.18) .062(1.53) .045(1.14) 3 2 1 BASE 2 3 EMITTER Dimensions in inches and (millimeters) Absolute Maximum Ratings T A=25 OC unless otherwise noted SYMBOL BF491 BF492 BF493 UNITS Collector-Emitter Voltage VCEO 200 250 300 Volts Collector Base Voltage VCBO 200 250 300 Volts Emitter Base Voltage VEBO 6 8 8 Volts DESCRIPTION Collector Current Continuous IC mAmps mW 1.2 0 mW/ C PD 1500 12 mW/ 0C Tj,TSTG -55 to + 150 PD Total Device Dissipation @ Tc=25ºC Derate Above 25ºC Operating And Storage Junction Temperature Range 500 625 Total Device Dissipation @ Ta=25ºC Derate Above 25ºC mW 0 C ELECTRICAL CHARACTERISTICS T A=25 OC unless otherwise noted Test Condition SYMBOL BF491 BF492 BF493 UNITS IC=0.1mA,IE=0 BVCBO >200 >250 >300 Volts IC=1mA,IB=0 BVCEO* >200 >250 >300 Volts Emitter-Base Breakdown Voltage IE=100uA,IC=0 BVEBO >6.0 >8.0 >8.0 Volts Collector Cutoff Current VCB=160V,IE=0 VCB=200V,IE=0 ICBO <0.1 <0.1 <0.1 Emitter Cutoff Current VEB=4.0V,IC=0 VEB=6.0V,IC=0 IEBO <0.1 <0.1 <0.1 IC=1mA,VCE=10V IC=10mA,VCE=10V hFE >25 >40 >25 >40 >25 >40 Collector-Emitter Saturation Voltage IC=20mA,IB=2mA VCE(sat) <2 <2 <2 Base-Emitter Saturation Voltage IC=20mA,IB=2mA VBE(sat) <2 <2 <2 DESCRIPTION Collector-Base Breakdown Voltage Collector-Emitter Breakdown Voltage DC Current Gain uA uA Volts Volts VD 2009-10 REV: O ELECTRICAL CHARACTERISTICS (Ta=25ºC unless specified otherwise) DESCRIPTION SYMBOL TEST CONDITION BF491 BF492 BF493 UNITS Current Gain-Bandwidth Product fT I C=10mA, VCE=20V, f=20MHz >50 >50 >50 MHz Feedback Capacitance Cre VCB=100V, f=1MHz, IE=0 <2 <2 <2 pF *Pulse Condition: = Width < 300us, Duty Cycle < 2.0%. DISCLAIMER NOTICE Rectron Inc reserves the right to make changes without notice to any product specification herein, to make corrections, modifications, enhancements or other changes. Rectron Inc or anyone on its behalf assumes no responsibility or liability for any errors or inaccuracies. Data sheet specifications and its information contained are intended to provide a product description only. "Typical" parameters which may be included on RECTRON data sheets and/ or specifications can and do vary in different applications and actual performance may vary over time. Rectron Inc does not assume any liability arising out of the application or use of any product or circuit. Rectron products are not designed, intended or authorized for use in medical, life-saving implant or other applications intended for life-sustaining or other related applications where a failure or malfunction of component or circuitry may directly or indirectly cause injury or threaten a life without expressed written approval of Rectron Inc. Customers using or selling Rectron components for use in such applications do so at their own risk and shall agree to fully indemnify Rectron Inc and its subsidiaries harmless against all claims, damages and expenditures.