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BF257 . Datasheet. Equivalente. Reemplazo. Hoja de especificaciones. Principales características

Número de Parte: BF257

Material: Si

Polaridad de transistor: NPN

ESPECIFICACIONES MÁXIMAS

Disipación total del dispositivo (Pc): 0.5

Tensión colector-base (Ucb): 160

Tensión colector-emisor (Uce): 160

Tensión emisor-base (Ueb): 5

Corriente del colector DC máxima (Ic): 0.1

Temperatura operativa máxima (Tj), °C: 125

CARACTERÍSTICAS ELÉCTRICAS

Producto de corriente -- ganancia — ancho de banda (ft): 55

Capacitancia de salida (Cc), pF: 7

Ganancia de corriente contínua (hfe): 25

Empaquetado / Estuche: TO39

Búsqueda de reemplazo de transistor bipolar BF257

 

BF257 PDF:

1.1. bf257_bf258_bf259.pdf Size:83K _st

BF257
BF257

BF257 BF258-BF259 HIGH VOLTAGE VIDEO AMPLIFIERS DESCRIPTION The BF257, BF258 and BF259 are silicon planar epitaxial NPN transistors in Jedec TO-39 metal case.They are particularly designed for videooutput stages in CTV and MTV sets, class A audio output stages and drivers for horizontal deflection circuits. TO-39 INTERNAL SCHEMATIC DIAGRAM ABSOLUTE MAXIMUM RATINGS Value Symbol Paramet

1.2. bf257-bf258-bf259.pdf Size:83K _st

BF257
BF257

BF257 BF258-BF259 HIGH VOLTAGE VIDEO AMPLIFIERS DESCRIPTION The BF257, BF258 and BF259 are silicon planar epitaxial NPN transistors in Jedec TO-39 metal case.They are particularly designed for videooutput stages in CTV and MTV sets, class A audio output stages and drivers for horizontal deflection circuits. TO-39 INTERNAL SCHEMATIC DIAGRAM ABSOLUTE MAXIMUM RATINGS Value Symbol Paramet

1.3. kf124_kf125_bf167_bf173_bf257_bf258_bf259_kf422_bf457_bf458_bf459_kf469_kf503_kf504_kf506_kf507_kf508-a_kf509_kf524_kf525_ks500_sf240_sf245_sf357_sf358_sf359_kf589_kf590.pdf Size:132K _tesla

BF257
BF257

1.4. bf257_bf258_bf259.pdf Size:136K _cdil

BF257
BF257

Continental Device India Limited An ISO/TS 16949, ISO 9001 and ISO 14001 Certified Company NPN SILICON HIGH VOLTAGE TRANSISTORS BF257, BF 258, BF259 TO-39 Metal Can Package INTENDED FOR VIDEO OUTPUT STAGES IN BLACK AND WHITE AND IN COLOUR TELEVISION REVEIVERS. ABSOLUTE MAXIMUM RATINGS (Ta=25?C unless specified otherwise) DESCRIPTION SYMBOL BF257 BF258 BF259 UNITS VCEO Collector Emitter

Otros transistores... BF254-3 , BF254-4 , BF254B , BF255 , BF255-2 , BF255-3 , BF255C , BF255D , BD135 , BF257A , BF257B , BF257C , BF257CSM , BF257D , BF257G , BF257N , BF257S .

 


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