BF257C
. Datasheet. Equivalente. Reemplazo. Hoja de especificaciones. Principales características
Número de Parte: BF257C
Material: Si
Polaridad de transistor: NPN
ESPECIFICACIONES MÁXIMAS
Disipación total del dispositivo (Pc): 0.5
W
Tensión colector-base (Vcb): 220
V
Tensión colector-emisor (Vce): 220
V
Tensión emisor-base (Veb): 5
V
Corriente del colector DC máxima (Ic): 0.1
A
Temperatura operativa máxima (Tj): 125
°C
CARACTERÍSTICAS ELÉCTRICAS
Transición de frecuencia (ft): 55
MHz
Capacitancia de salida (Cc): 7
pF
Ganancia de corriente contínua (hfe): 25
Paquete / Cubierta:
TO39
Búsqueda de reemplazo de transistor bipolar BF257C
BF257C
Datasheet (PDF)
0.1. Size:29K semelab
bf257csm4.pdf
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
bf257 bf258 bf259.pdf
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
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
9.4. Size:136K cdil
bf257 bf258 bf259.pdf
Continental Device India LimitedAn ISO/TS 16949, ISO 9001 and ISO 14001 Certified CompanyNPN SILICON HIGH VOLTAGE TRANSISTORS BF257, BF 258, BF259TO-39Metal Can PackageINTENDED FOR VIDEO OUTPUT STAGES IN BLACK AND WHITE AND IN COLOUR TELEVISION REVEIVERS.ABSOLUTE MAXIMUM RATINGS (Ta=25C unless specified otherwise)DESCRIPTION SYMBOL BF257 BF258 BF259 UNITSVCEOCollector Emit
Otros transistores... 2N3192
, 2N3193
, 2N3194
, 2N3195
, 2N3196
, 2N3197
, 2N3198
, 2N3199
, BC327
, 2N320
, 2N3200
, 2N3201
, 2N3202
, 2N3203
, 2N3204
, 2N3205
, 2N3206
.