Type: side-heated cathode beam pentode
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Main applications: high frequency oscillation and power amplification
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(Basic data)
Filament voltage (Uf)=12.6V;
Filament current (If)=0.6 ~ 0.8A;
Anode voltage (Ua) =800V;
Second grid voltage (Ug2) =250V;
Third grid voltage (Ug3) =0V;
The first grid operating bias voltage ① (Ug1) -55 ~ -25V;
The first grid reverse current ② (-Ig1) ≤15μA;
The third grid reverse current ② (-Ig3) ≤50μA;
Transconductance ③ (S) =3 ~ 5.2mA\/V;
Leakage current between filament and cathode ④ (Ifk) ≤100μA;
Second grid current ⑤ (Ig2) ≤7mA;
Output power ⑥ (Po) ≥50W;
When the filament voltage is 10.8V, the output power ⑥≥40W;
Life ⑦ (T) ≥500h. (life boundary condition) Output power (Po) ≥40W;
Maximum height (excluding shank) (Hmax) =93.5mm;
Maximum diameter (Dmax) =45.3mm;
Maximum weight (Gmax) =100g.
pour
① When Ia=50mA;
(2) Uf = 14.5 V, Ug3 = - 200 - V, Rt = 350 Ω, Rg1 0.1 M or less Ω, Ig2 = 15 ma, (3) Ia = 50 ma, delta Ug1 = 5 V;
④Uf=14.5V,Ufk=±200;
⑤Ia=50mA, the second point voltage on g2 is 150V;
⑥Ug1=-100V,Ia≤150mA,Ig1≤8.5mA,Ig2≤20mA,Ug1 ~ =135V;
⑦Ia=130mA,Ufk=200V,Ig1≤9mA.
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(electrode capacitance)
Input capacitance (Cin) =13 ~ 15pF;
Output capacitance (Cout) =8 ~ 11pF;
Transition capacitance (Cag) ≤0.1pF.
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(Limit operation data)
Maximum filament voltage (Ufmax) =13.9V;
Minimum filament voltage (Ufmin) =11.3V;
Maximum anode voltage (Uamax) =1kV;
Maximum second grid voltage (Ug2max) =250V;
Maximum anode dissipation power (Pamax) =40W;
Maximum second grid dissipation power (Pg2max) =5W;
Maximum first grid dissipation power (Pg1max) =1W;
Maximum cathode current (Ikmax) =230mA;
Maximum operating frequency (fmax) =120MHz.