Ultra-miniature high-frequency pentodes of the increased reliability.

Designed to generate and amplify high frequency oscillations.

Indirect oxide cathode.

Works in any position.

Available in a miniature glass design.

Durability not less than 2000 h.

Weight not more than 5.5 g.

 

Technical characteristics and electrical parameters of the lamp 1P24B-B:

Rated electrical characteristics:

• Glow voltage, B 1.2 ± 0.12

• Incandescent current, mA 240 ± 24

• Anode voltage, B 150

• Voltage on the second grid, In 125

• Voltage on the first grid, B -14

• Current in the anode circuit, mA 18

• Current in the circuit of the second grid, mA no more than 1.5

• Steepness characteristics, mA / V 1.7

• Equivalent noise resistance, kOhm 5

Maximum permissible electrical parameters:

• The highest voltage at the anode, V 300

• The highest voltage on the second grid, V 200

• The highest power dissipated at the anode, mW 4000

• The highest power dissipated on the second grid, mW 1500

• The highest current in the cathode circuit, mA 40

• The greatest resistance in the circuit of the first grid, mOhm 0.5

• Input capacitance, pF 7.15

• Output capacitance, pF 4

• Capacity through passage, pF 0.008