This listing is for a lot of 10 pieces of 1П24Б (1P24B) miniature RF pentode vacuum tubes. These are original Soviet-manufactured subminiature pentodes, designed for RF and IF amplification, low-voltage battery operation, and portable or miniature radio equipment.
All tubes are New Old Stock (NOS) and unused, from original military or industrial storage.
Type: Pentode, directly heated subminiature tube
Filament Voltage (Uf): 1.2 V or 2.4 V
Filament Current (If): 250 mA or 125 mA
Anode Voltage (Ua): 150 V (nominal)
Screen Voltage (Ug2): 125 V (nominal)
Control Grid Voltage (Ug1): –14 V (typical)
Anode Current (Ia): 17 mA (typical)
Transconductance (S): 2.8 mA/V (typical)
Anode Dissipation (Pa): 2.5 W (max)
Socket Type: Subminiature wire leads (solderable)
Heater Type: Directly heated filament
Base: 7-wire leads, glass envelope
Envelope Dimensions: Ø 8 mm × length 40 mm (approx.)
Weight: ~2 g per tube
Designed for RF and IF amplifier stages in battery-powered portable radios and hearing aids.
Operates efficiently with low supply voltages.
Rugged and vibration-resistant construction suitable for military and aerospace-grade use.
Excellent for miniature analog electronics, DIY tube projects, retro receiver restorations, or educational experiments.
Suitable as replacement or upgrade in vintage Soviet or Western low-voltage tube circuits.
New Old Stock (NOS)
Never used, may show minor storage traces on glass
Tested visually for integrity and labeling
Supplied in bulk factory packaging (or equivalent secure packaging)
Each lot includes 10 tubes (1П24Б / 1P24B)
USSR (Soviet Union)
1П24Б-В, 1P24B-V, miniature pentode, subminiature tube, low voltage tube, RF amplifier, IF amplifier, Soviet tube, NOS vacuum tube, radio valve, military-grade, USSR electronics.