KT66GC

Heater Voltage

Uf …………………………..............................6.3 V

If …………………………..............................1.27 A

Maximum Ratings

Anode Voltage …………………………....................................500 V........................................400 V...........................

Second Grid Voltage …………………………............................400 V ..................................../...........................

Anode Dissipation………………………….................................25 W ..................................25 W........................

Second Grid Dissipation …………………………........................3.5 W ................................../............................

Cathode Current…………………………....................................200 mA ............................200 mA......................

First Grid Resistance

Self-bias……………………..........................0.5 MΩ

Fixed bias.…………………….......................0.1 MΩ

Inter-electrode Capacitance

Input Capacitance …………………………............................11.6 pF...............................8.7 pF..............................

Output Capacitance…………………………..........................11.5 pF...............................15.8 pF.............................  

Cross Capacitance…………………………..............................1.1 pF ...............................7.2 pF...............................  

Static Parameters

Ua………………………….................................250 V

Ug2…………………………...............................250 V

Ug………………………….................................-15 V

Ia…………………………....................................85 mA

Ig2…………………………..................................6.3 mA

Gm…………………………..................................6.3 mA/V

Ri………………………….....................................22.5 kΩ

RL………………………….....................................2.2 kΩ

Pout………………………….................................7.25 W

Dtot ………………………….................................9.0 %