All Transistors. TK257A Datasheet

 

TK257A Datasheet and Replacement


   Type Designator: TK257A
   Material of Transistor: Si
   Polarity: NPN
   Maximum Collector Power Dissipation (Pc): 0.3 W
   Maximum Collector-Emitter Voltage |Vce|: 20 V
   Maximum Collector Current |Ic max|: 0.1 A
   Max. Operating Junction Temperature (Tj): 150 °C
   Transition Frequency (ft): 150 MHz
   Forward Current Transfer Ratio (hFE), MIN: 25
   Noise Figure, dB: -
   Package: TO18
 

 TK257A Substitution

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TK257A Datasheet (PDF)

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TK257A

LESHAN RADIO COMPANY, LTD.LNTK2575LT1GSmall Signal MOSFETS-LNTK2575LT1G25 V, 0.75 A, Single, N-Channel,ESD Protection, SOT-233Features Advance Planar Technology for Fast Switching, Low RDS(on)1 Higher Efficiency Extending Battery Life2 This is a Pb-Free Device S- Prefix for Automotive and Other Applications Requiring SOT 23 Unique Site and Control Ch

Datasheet: 2SA1803O , 2SA1803R , 2SA1804 , 2SA1804O , 2SA1804R , 2SA1805 , 2SA1805O , 2SA1805R , TIP31 , 2SA181 , 2SA1810 , 2SA1810B , 2SA1810C , 2SA1811 , 2SA1815 , 2SA1815-3 , 2SA1815-4 .

History: RN1327A | RN1313 | BC349B | ZXTPS718MC | KC818W-40 | MJE8500 | PDTC143ZT

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