All Transistors. TK251A Datasheet

 

TK251A Datasheet and Replacement


   Type Designator: TK251A
   Material of Transistor: Si
   Polarity: NPN
   Maximum Collector Power Dissipation (Pc): 0.5 W
   Maximum Collector-Base Voltage |Vcb|: 40 V
   Maximum Collector-Emitter Voltage |Vce|: 20 V
   Maximum Emitter-Base Voltage |Veb|: 6 V
   Maximum Collector Current |Ic max|: 0.25 A
   Max. Operating Junction Temperature (Tj): 150 °C
   Transition Frequency (ft): 100 MHz
   Forward Current Transfer Ratio (hFE), MIN: 20
   Noise Figure, dB: -
   Package: TO5
 

 TK251A Substitution

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TK251A Datasheet (PDF)

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Datasheet: 2SA1801 , 2SA1802 , 2SA1802A , 2SA1803 , 2SA1803O , 2SA1803R , 2SA1804 , 2SA1804O , 2SD2499 , 2SA1805 , 2SA1805O , 2SA1805R , 2SA1806 , 2SA181 , 2SA1810 , 2SA1810B , 2SA1810C .

History: PDTC144WK | CS4013 | 2SC1860 | KSH30C | MJE5192 | BC148A | KSD569

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