BF258 Datasheet, Equivalent, Cross Reference Search
Type Designator: BF258
Material of Transistor: Si
Polarity: NPN
Maximum Collector Power Dissipation (Pc): 0.8 W
Maximum Collector-Base Voltage |Vcb|: 250 V
Maximum Collector-Emitter Voltage |Vce|: 250 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
BF258 Transistor Equivalent Substitute - Cross-Reference Search
BF258 Datasheet (PDF)
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
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
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
bf258dcsm.pdf
BF258DCSMDimensions 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 = 250V CEO6.22 0.13 A = 1.27 0.13I = 0.1A C(0.0
Datasheet: 2SA1801 , 2SA1802 , 2SA1802A , 2SA1803 , 2SA1803O , 2SA1803R , 2SA1804 , 2SA1804O , BD777 , 2SA1805 , 2SA1805O , 2SA1805R , 2SA1806 , 2SA181 , 2SA1810 , 2SA1810B , 2SA1810C .
History: 2N3712S