All Transistors. BF257C Datasheet

 

BF257C Datasheet and Replacement


   Type Designator: BF257C
   Material of Transistor: Si
   Polarity: NPN
   Maximum Collector Power Dissipation (Pc): 0.5 W
   Maximum Collector-Base Voltage |Vcb|: 220 V
   Maximum Collector-Emitter Voltage |Vce|: 220 V
   Maximum Emitter-Base Voltage |Veb|: 5 V
   Maximum Collector Current |Ic max|: 0.1 A
   Max. Operating Junction Temperature (Tj): 125 °C
   Transition Frequency (ft): 55 MHz
   Collector Capacitance (Cc): 7 pF
   Forward Current Transfer Ratio (hFE), MIN: 25
   Noise Figure, dB: -
   Package: TO39
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BF257C Datasheet (PDF)

 0.1. Size:29K  semelab
 bf257csm4.pdf pdf_icon

BF257C

BF257CSM4SILICON PLANAR NPN HIGHMECHANICAL DATAVOLTAGE TRANSISTOR IN A Dimensions in mm (inches)CERAMIC SURFACE MOUNTPACKAGE1.40 0.155.59 0.13(0.055 0.006)(0.22 0.005)0.25 0.03(0.01 0.001)0.23rad.(0.009)3 20.234 1min.(0.009)FEATURES High Voltage1.02 0.20 2.03 0.20(0.04 0.008) (0.08 0.008) Ceramic Surface Mount

 9.1. Size:83K  st
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BF257C

BF257BF258-BF259HIGH VOLTAGE VIDEO AMPLIFIERSDESCRIPTIONThe BF257, BF258 and BF259 are silicon planarepitaxial NPN transistors in Jedec TO-39 metalcase.They are particularly designed for videooutputstages in CTV and MTV sets, class A audio outputstages and drivers for horizontal deflection circuits.TO-39INTERNAL SCHEMATIC DIAGRAMABSOLUTE MAXIMUM RATINGSValueSymbol Para

 9.2. Size:11K  semelab
 bf257dcsm.pdf pdf_icon

BF257C

BF257DCSMDimensions in mm (inches). Dual Bipolar NPN Devices in a hermetically sealed LCC2 Ceramic Surface Mount Package for High Reliability 1.40 0.152.29 0.20 1.65 0.13(0.055 0.006)(0.09 0.008) (0.065 0.005)Applications 2 314Dual Bipolar NPN Devices. A0.236 5rad. (0.009) V = 160V CEO6.22 0.13 A = 1.27 0.13I = 0.1A C(0.0

 9.3. Size:132K  tesla
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BF257C

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Datasheet: 2N3192 , 2N3193 , 2N3194 , 2N3195 , 2N3196 , 2N3197 , 2N3198 , 2N3199 , MJE340 , 2N320 , 2N3200 , 2N3201 , 2N3202 , 2N3203 , 2N3204 , 2N3205 , 2N3206 .

History: 2SC3566 | BF420A | 2N3183 | 2N2473 | 2SB1144S | MM4019 | BTB1424AT3

Keywords - BF257C transistor datasheet

 BF257C cross reference
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