EM7 / EM-7 miniature triode tube

EM7 / EM - 7 miniature electrometer triode tube. Designed to work in a variety of electrometric devices. Durability at least 500 hours.

Nominal electrical characteristics of the EM - 7:

• Heater voltage, V: 1;
• Heater current, mA: 18;
• The voltage on the anode, V: 7;
• The voltage on the first grid, In: - 2;
• The current in the anode circuit, uA: 250;
• Slope, uA / V: 80 to 250;
• Gain: 1.5;
• The capacity of the input, pF: 1.9