IN-7A


IN-7A

This type of tube, IN-7A, has 2 variants: IN-7B and IN-7. Anyway, this tube has a set of symbols different from those two. It contains same unit prefix symbols: milli-, kilo-, mega-, micro- and same mathematical symbols: +, -, % and Π. The dimensions of the tube, however, are the same as IN-4, IN-7B, IN-7.

PHOTOS

DATA

descriptionunitvalue
type-IN-7A
brand-Gazotron, Rovno
view-top view
symbols-M, +, m, %, µ, -, k, Π
symbol heightmm16
dimensionsmm⌀ 30 x 41
pin diametermm1
startup voltageV170
maintaining voltageV160
cathode currentmA2.5
durabilityh800
base-RSH31
socket or alternative-PL31 (ПЛ31), PL31p (ПЛ31п), PL31-2V (ПЛ31-2B), 1 mm pins

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