1st letter |
|
ГК |
generator tubes up to 25 MHz |
ГУ |
generator tubes 25-600 MHz |
ГС |
generator tubes cm range |
ГМ |
modulator tubes |
В |
high power rectifiers |
СГ |
voltage stabilizers |
СТ |
current stabilizers |
Т |
thyratrons |
ГГ |
gas-filled rectifiers |
ГР |
mercury-gas-filled rectifiers |
Ф, ФЭУ |
photocells and photomultipliers |
x, xx |
receiving tubes heater voltage |
x, xx |
screen diameter of picture tubes in cm |
Д |
semiconductor diodes |
П |
transistors |
|
|
next letter(s) |
construction |
Д |
diode |
Х |
duodiode |
С |
triode |
Э |
tetrode |
П |
power pentode and tetrode |
К |
remote cut-off pentode |
Ж |
sharp cut-off pentode |
В |
secondary emission pentode |
А |
mixing tube with two signal grids |
Б |
pentodes with one or two diodes |
Г |
triodes with one or more diodes |
Е |
tuning indicator |
И |
triodes with hexode, heptode or octode |
Н |
duotriode |
Р |
duotetrode and -pentode |
Ф |
triode-pentode |
Ц |
rectifier |
type number |
gas-filled tubes, power rectifier |
Г |
gas-filled thyratron |
Р |
mercury-gas-filled thyratron |
Х |
cold cathode thyratron |
ЛО |
oscilloscope tubes with electrostatic deflection |
ЛМ |
oscilloscope tubes with electromagnetic deflection |
ЛК |
TV picture tube |
type number |
semiconductors |
|
|
next letter(s) |
other |
type number |
receiving, picture, generator and modulator tube, stabilizer, photocell, photomultiplier and cold cathode
thyratron |
subtype |
semiconductors |
|
|
next letter(s) |
bulb, base |
general tubes |
none |
metal |
С |
glass |
Ж |
HF glass, side leads |
К |
ceramic |
П |
miniature glass (19 and 22.5 mm) |
Г |
subminiature (>10 mm) |
Б |
subminiature (10mm) |
Р |
subminiature (4 mm) |
А |
subminiature (6 mm) |
Л |
lock in key |
Д |
disc leads |
generator, modulator tubes |
А |
water cooled |
Б |
air cooled |
picture tubes |
letter |
luminophor color code |
thyratrons and gas-filled power rectifiers |
I/U |
average current/reverse voltage amplitude [A/kV] |
|
|
next letter(s) |
(optional) |
В |
high reliability tube (military) |
Е |
long life tube (military) |
И |
designed for impulse operation |
К |
vibration resistant |
|
|
next letter(s) |
current regulators only |
I Б U1-U2 |
current and voltage range [A][V] |