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ID = 19097
Soviet Union
Brand: Common type USSR (SU) tube/semicond.
Tube type:  Vacuum Pentode 
Identical to 1Ж18Б

Base Wires only.
Filament Vf 1.2 Volts / If 0.06 Ampere / Direct / Battery =
Description Ua: 60V, Ug2: 45V 
Dimensions (WHD)
incl. pins / tip
8 x 40 x 8 mm / 0.31 x 1.57 x 0.31 inch
Weight 4 g / 0.14 oz
Tube prices 4 Tube prices (visible for members only)

1j18b_sock.png 1Ж18Б: Org. Data Sheet
Egon Penker

1Ж18Б: Org. Data Sheet
Egon Penker

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Usage in Models 1= 1964?? ; 2= 1964? ; 1= 1966??

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):4

Collection of



Forum contributions about this tube
Threads: 1 | Posts: 2
Hits: 4085     Replies: 1
1j18b (1j18b)
Michael Watterson

Useful information on these kinds of sub-miniature Rod Pentode tubes (valves):

Russian Subminiature Tubes

The 1j18b is  still (2011) readily available to purchase as New Old Stock (NOS).

Nützliche Informationen über diese Art von Sub-Miniatur-Rod Pentode Röhren:

Russian Subminiature Tubes

Die 1j18b ist immer noch (2011) leicht zugänglich zu kaufen (2011) leicht zugänglich wie Neu Alte Aktien Kauf (NOS)

Also known as 1ZH18b, 1sh18b and properly 1Ж18Б

Michael Watterson

1j18b 1Ж18Б

Cross-section also showing "f-" filament feed at top

Glass (shown grey) about 8mm diameter.

End of forum contributions about this tube

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