ИВ-27M VFD tube pinout

Image

I’ve received some fine tubes that I bought recently on e-bay. I figured the pinout.

On the left side, let’s number the pins 1 to 15 CCW (counter clock wise); on the right same thing but 1 to 11, CCW also.

Display

%  8,  8,  8,  8,   8,  8,   8,  8,  8,  8,  8,  8,  8,

Position (grid)

1   2   3   4    5   6   7    8   9  10 11 12 13 14

Left side (G = grid/position, A = anode/segment)

1: G2

2: G1

3: dp

4: d

5: c

6: e / vertical bar on 1st digit

7: g / horizontal bar on 1st digit

8: b

9: f

10: a / dot on 1st digit

11: G3

12: G4

13: G5

14: G6

15: G7

Right side

1: G11

2: G12

3: G10

4: G8

5: G9

6: G13

7,8: heater (5V, about 200mA)

9: G14

10,11: No connect

The heater works at 5V, the anodes and grids work at 24VDC

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