All Transistors. BF494 Datasheet

 

BF494 Datasheet and Replacement


   Type Designator: BF494
   Material of Transistor: Si
   Polarity: NPN
   Maximum Collector Power Dissipation (Pc): 0.3 W
   Maximum Collector-Base Voltage |Vcb|: 30 V
   Maximum Collector-Emitter Voltage |Vce|: 20 V
   Maximum Emitter-Base Voltage |Veb|: 5 V
   Maximum Collector Current |Ic max|: 0.03 A
   Max. Operating Junction Temperature (Tj): 150 °C
   Transition Frequency (ft): 260 MHz
   Collector Capacitance (Cc): 1.6 pF
   Forward Current Transfer Ratio (hFE), MIN: 115
   Noise Figure, dB: -
   Package: TO92
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BF494 Datasheet (PDF)

 ..1. Size:48K  philips
 bf494 bf495.pdf pdf_icon

BF494

DISCRETE SEMICONDUCTORSDATA SHEETbook, halfpageM3D186BF494; BF495NPN medium frequency transistors1997 Jul 08Product specificationSupersedes data of September 1994File under Discrete Semiconductors, SC04Philips Semiconductors Product specificationNPN medium frequency transistors BF494; BF495FEATURES PINNING Low current (max. 30 mA)PIN DESCRIPTION Low voltage

 ..2. Size:81K  fairchild semi
 bf494.pdf pdf_icon

BF494

July 2006BF494tmNPN RF TransistorTO-921. Collector 2. Emitter 3. BaseAbsolute Maximum Ratings * Ta = 25C unless otherwise notedSymbol Parameter Value UnitVCEO Collector-Emitter Voltage 20 VVCBO Collector-Base Voltage 30 VVEBO Emitter-Base Voltage 5.0 VIC Collector Current - Continuous 30 mATJ Junction Temperature 150 CTSTG Storage Temperature Range - 55 ~ 150 C

 ..3. Size:142K  cdil
 bf494 bf495.pdf pdf_icon

BF494

Continental Device India LimitedAn ISO/TS 16949, ISO 9001 and ISO 14001 Certified CompanyNPN SILICON PLANAR EPITAXIAL RF TRANSISTORS BF494BF495TO-92Plastic PackageHigh Voltage Video TransistorsABSOLUTE MAXIMUM RATINGS(Ta=25C unless specified otherwise)DESCRIPTION SYMBOL Value UNITSVCEOCollector Emitter Voltage 20 VVCBOCollector Base Voltage 30 VVEBOEmitter Base Vol

Datasheet: 2SA1771 , 2SA178 , 2SA1790 , 2SA1791 , 2SA1792 , 2SA1793 , 2SA1794 , 2SA1795 , 2SD1047 , 2SA1799 , 2SA17H , 2SA18 , 2SA180 , 2SA1800 , 2SA1800O , 2SA1800R , 2SA1800Y .

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