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Vacuum Tube 6J4 Inventory Product High Frequency Voltage Amplification Replace 6AU6 for Tube FM Tuner
Model No: 6J1
Type: side-heating cathode sharp cut-off pentode
Main use: high frequency voltage amplification
1. Filament voltage (Uf) = 6.3V;
2. Filament current (If) = 0.3A;
3. Anode voltage (Ua) = 250V;
4. Anode current (Ia) = 11 ± 3.3 mA;
5. The second gate voltage (Ug2) = 150V;
6. The second gate current (Ig2) ≤ 6.2 mA;
7. Cathodic resistance (Rk) = 68Ω;
8. Internal resistance (Ri) = 0.9MΩ;
9. Transconductance (S) = 4.8 ~ 7mA / V.
10. (Pole capacitance) input capacitance (Cin) = 6.3pF;
11. Output capacitance (Cout) = 6.3pF;
12. Transition capacitance (Cag) ≤ 0.0035pF.
Extreme use data
1. Maximum filament voltage (Ufmax) = 7V;
2. Minimum filament voltage (Ufmin) = 5.7V;
3. Maximum anode voltage (Uamax) = 300V;
4. The maximum second gate voltage (Ug2maxp) = 150V;
5. Maximum filament to cathode voltage (Ufkmax) = ±90V;
6. Maximum anode dissipation power (Pamax) = 3.5W;
7. Maximum second gate dissipation power (Pg2max) = 0.9W;
8. Maximum cathode current (Ikmax) = 20mA
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