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Transistors silicon N-P-N KT645A = 2N3903, 2N4400, 2N5845 USSR Lot of 75 pcs, US $220 – Picture 0
Transistors silicon N-P-N KT645A = 2N3903, 2N4400, 2N5845 USSR Lot of 75 pcs, US $220 – Picture 0

Transistors Silicon N-p-n Kt645a = 2n3903, 2n4400, 2n5845 Ussr Lot Of 75 Pcs

US $220

  • Tomsk, Tomsk region, Russian Federation
  • Jun 6th
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Transistors silicon N-P-N KT645A = 2N3903, 2N4400, 2N5845 USSR Lot of 75 pcs New, never used  / NOS / New Old Stock Transistors KT645A silicon epitaxial planar structures npn universal.  Designed for use in high frequency oscillators and amplifiers in high speed switching applications.  KT645A:  • The structure of transistor: npn;  • Pk max - Constant collector power dissipation: 0.5W;  • fgr - Cutoff frequency of current transfer ratio of the transistor for the circuit with common emitter: not less than 200 MHz;  • Ukbo max - The maximum collector-base voltage for a given reverse current collector and emitter open circuit: 60 V;  • Uebo max - Maximum voltage emitter-base reverse current at a given emitter and collector open circuit 4;  • Ik max - The maximum permissible continuous collector current of 0.3 A;  • Ikbo - Reverse collector current - the current through the collector junction reverse voltage for a given collector-base and emitter open output: less than 10 mA (60 V);  • h21e - Static current transfer ratio of the transistor circuit for a common-emitter: 20 ... 200;  • CK - Capacity of the collector junction: no more than 5 pF;  • Rke us - saturation resistance between the collector and emitter of not more than 3.3 ohms;  • tc - time constant of the feedback loop at high frequency: not more than 0.6 ps We can supply other items made in USSR. We have more such items in stock. Payment: We accept PayPal Only!

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