tetrod
Basic technical data:
– Incandescent voltage from 5.7 to 6.9 V;
– Incandescent current from 1.8 to 2.2 A;
– The anode voltage is not more than 250 V;
– The anode current in the pulse is not less than 400 mA;
– The current of the second grid in the pulse is not more than 100 mA;
– The ratio of the anode current to the grid current of the second is not less than 7;
– The power dissipated by the anode is not more than 12 watts;
– The power dissipated by the second grid is not more than 5 watts;
– The total power dissipated by the anode and the second grid is 16 W;
– Cathode current not more than 250 mA;
– Cathode-heater voltage (at any polarity) no more than 100 V;
– Input capacity from 28 to 36 pF;
– Output capacity not more than 21 pF;
– Passing capacity not more than 1 pF;
– Warranty time of 5000 hours.
The lamp contains 0.0113727g of gold and 0.000723g of platinum.