5LO38I (5ЛО38И) is a small vintage CRT tube. Made in USSR (Soviet Union).
Lot contain only CRT tube,1st photo just to show DIY clock based on this tube, for driver kit - contact seller: "al-truism" on ebay!
Tube 5L3838 small-sized single-beam (5LO-38I, 5L 38I, 5L038I, 5L0-38I, 5L0 38I)
For visual observation of various electrical processes in radio electronic devices.
The color of the screen is green.
The diameter of the working part of the screen is 44mm.
Small-sized single-beam tube 5L3838 with a rounded screen and a convex surface. It is intended for visual observation of various electrical processes in radio electronic devices.
The color of the glow of the screen is 5L38 and green. The diameter of the working part of the screen is 44mm. The width of the focused line in the center of the screen is not more than 0.5 mm. The afterglow time is not more than 0.1 s.
Electrode leads: 1, 11-heater; 2-cathode; 3 - temporary deflection plate X1; 4-first anode; 6-signal deflecting plate Y1; 7 - the second anode; 8 - temporary deflection plate X2; 9 - signal deflecting plate V2; 10 - modulator; 5-do not connect.
Decoration - glass with a plinth. Weight, 0,25 kg.
| Name | Not less | Not more |
| Heating voltage, V | 5,7 | 6,9 |
| First anode voltage, V | | 550 |
| Second anode voltage, V | 500 | 1100 |
| Modulation voltage, V | - 125 | 0 |
| Heater voltage relative to the cathode, V | -125 | 0 |
| The voltage between any of the deflecting plates and the second anode, V | -660 | 660 |
| The impedance in the circuit of any of the deflecting plates at a frequency of 50 Hz, MOhm | | 1,5 |
| Resistance in the modulator circuit, MOhm | | 1,5 |
This type of tube was used in oscilloscopes and other signal measuring equipment.
18.5 cm (7.3") long with the base pins, 5 cm (1.97") face (front) diameter.
Electrostatic Focus, Electrostatic deflection. Lights in GREEN color
Base: 11-pin