Product details
Read the detailed technical specifications below!
New 10J12S (10ZH12S) Svetlana factory pentode tubes.
Two tubes in one lot.
Matched pair.
Tested on L3-3 tester.
We ship via International Registred Airmail.
Tracking number is provided.
Similar (not fully identical) to WE310A.
10Zh12S pentode is used to amplify high frequency voltage in long-distance wired communication devices.
Specifications :
10Zh12S pentode.
Heating voltage 10 ± 0.7 V.
Heating current 320 mA.
Anode voltage nominal (constant) 250 V.
Anode voltage limiting (constant) 250 V.
Anode current 5.5 ± 1.5 mA.
Grid voltage of the first nominal (constant) Minus 3 V.
Reverse grid current of the first 0.5 μA.
Grid voltage of the second nominal (constant) 135 V.
Grid voltage of the second limit (constant) 180 V.
Grid current second 1.05 ± 0.55 mA.
Grid voltage of the third nominal (constant) 0 V.
The limiting voltage between the cathode and the heater is 150 V.
The leakage current between the cathode and the heater is 20 μA.
Anode insulation resistance 20 MΩ.
The insulation resistance of the grid of the first is 20 MΩ.
Slope 1.85 ± 0.25 mA/V.
The steepness of the characteristic at a filament current of 300 mA is 1.45 mA / V.
The maximum power dissipated at the anode is 1.9 W.
The highest power dissipated on the second grid is 0.4 W.
Output power (approx. 1) 0.4 W.
Nonlinear distortion coefficient, no more than 14%
Internal resistance 500 kOhm.
Input capacitance 5.8 ± 1.2 pF.
Output capacitance 12.5 ± 3.5 pF.
Passing capacitance 0.03 pF.
