All Transistors. BF257 Datasheet

 

BF257 Transistor. Datasheet pdf. Equivalent

Type Designator: BF257

Material of Transistor: Si

Polarity: NPN

Maximum Collector Power Dissipation (Pc): 0.5 W

Maximum Collector-Base Voltage |Vcb|: 160 V

Maximum Collector-Emitter Voltage |Vce|: 160 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

BF257 Transistor Equivalent Substitute - Cross-Reference Search

BF257 Datasheet 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

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

Datasheet: 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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