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
 

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TK257A Datasheet (PDF)

 9.1. Size:232K  lrc
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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: TK25 , TK250A , TK251A , TK252A , TK253A , TK254A , TK255A , TK256A , 2N2222 , TK258A , TK259A , TK25B , TK25C , TK264A , TK28 , TK28C , TK30 .

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