![]() |
![]() |
![]() |
![]() |
![]() |
![]() |
![]() |
The regulation GOST 5461-59 applies to tubes manufactured from 1959 and semiconductors manufactured from 1959 to 1963. Every symbol consists of four elements. If an element is absent, a dash should be written at its place. |
Note: There are exceptions. Not all Russian tubes are numbered according this system. |
First element | |
---|---|
![]() ![]() | Generator (transmitting) tubes up to 25 MHz |
![]() ![]() | UKF generator (transmitting) tubes 25-600 MHz |
![]() ![]() | Centimeter range generation (transmitting) tubes |
![]() ![]() | Modulator tubes |
![]() | High power rectifiers |
![]() ![]() | Voltage stabilizers |
![]() ![]() | Current stabilizers |
![]() | Thyratrons |
![]() ![]() | Gas-discharge rectifiers |
![]() ![]() | Mercury gas-discharge rectifiers |
![]() ![]() ![]() ![]() | Photocells and photomultipliers |
Approximate (usually full volts) heater voltage | Receiving tubes |
Screen diameter in cm | Picture tubes |
![]() | Semiconductor diodes |
![]() | Transistors |
Second element | |
---|---|
![]() | Diodes |
![]() | Double diodes |
![]() | Triodes |
![]() | Tetrodes |
![]() | Power pentodes and tetrodes |
![]() | Remote cut-off pentodes |
![]() | Sharp cut-off pentodes |
![]() | Secondary emission pentodes |
![]() | Mixing tubes with two signal grids |
![]() | Pentodes with one or two diodes |
![]() | Triodes with one or more diodes |
![]() | Tuning indicators |
![]() | Triodes with hexode, heptode or octode |
![]() | Double triodes |
![]() | Double tetrodes and pentodes |
![]() | Triode - pentodes |
![]() | Rectifiers |
Type sequence number | Gas-discharge tubes, power rectifiers |
![]() | Gas thyratrons |
![]() | Mercury thyratrons |
![]() | Cold cathode thyratrons |
![]() ![]() | Oscillograph tubes with electrostatic deflection |
![]() ![]() | Oscillograph tubes with electromagnetic deflection |
![]() ![]() | TV picture tubes |
Type sequence number | Semiconductors |
Third element | |
---|---|
Receiving, picture,
generator and modulator tubes voltage and current stabilizers photocells and photomultipliers cold cathode thyratrons | Type sequence number |
Semiconductors | Subtype, group (letter) |
Fourth element | ||
---|---|---|
none | Metal | Receiving tubes; voltage and current stabilizers |
![]() | Glass | |
![]() | HF glass, side leads | |
![]() | Ceramic | |
![]() | Miniature glass 19 and 22.5 mm | |
![]() | Subminiature > 10 mm | |
![]() | Subminiature 10mm | |
![]() | Subminiature 4 mm | |
![]() | Subminiature 6 mm | |
![]() | lock-in-key | |
![]() | Disc leads | |
![]() | Water cooled | Generator (transmitting) and modulator tubes |
![]() | Air cooled | |
letter | Luminophor color code | Picture tubes |
X/Y | X = average current in A Y = reverse voltage amplitude in kV | Thyratrons (non cold cathode), Gas-discharge, power rectifiers |
After symbol dash and postfix of one or more letters may be added: | |
![]() | high reliability tube (military) |
![]() | long life tube (military) |
![]() | designed for impulse operation |
![]() | vibration resistant |
Current Regulators | |
[A]![]() | [A] is the current (in amperes) and [V1-V2] is voltage range |
The USA Tubes
and their Soviet analogues from NEXT-TUBE site ![]() |
![]() |
![]() |
![]() |
![]() |
![]() |