Vacuum luminescent indicator ILD1-M. Reference data

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Vacuum luminescent indicator ILD1-M. Reference data

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Encyclopedia of radio electronics and electrical engineering / Reference materials

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A single vacuum luminescent indicator ILD1-M has an information field in the form of three rectangles of green, red and yellow luminescence arranged in a row. Case - glass, flattened, rectangular shape (Fig. 1); conclusions - rigid stamped tinned. Weight of the device - no more than 15 g.

Vacuum luminescent indicator ILD1-M

Indicator pinout: pin. 1 - cathode glow, conductive shielding layer on the inner surface of the cylinder; pin. 2 - grid; pin. 3 - "green" element - anode; pin. 4 - "red" element - anode; pin. 5 - "yellow" element - anode; pin. 6 - cathode glow.

The indicators are designed to work as signal elements, in composite alphanumeric and mnemonic displays, in large format screens.

Main Specifications

The brightness of the display elements, cd / m2, not less than, green ...... 1000
red ...... 150
yellow ...... 200
Cathode heating voltage, V ..... 1,1 ... 1,4
Cathode heating current, mA......132...165
Voltage on the elements - anodes and grid, V, constant nominal ...... 27
constant maximum ...... 50
impulse maximum ...... 70
Current of a single element - anode, mA, not more than......22
Grid current, mA, no more......8
Duty cycle of impulse voltage......3
Minimum time to failure, h......20 000
Shelf life, years ...... 25
Working range of ambient temperature, °С.....-60...+85

On fig. 2 shows the dependences of the brightness of the glow of the elements - anodes, and in fig. 3 - element current - anode and grid current, from the anode-grid voltage.

Vacuum luminescent indicator ILD1-M

The radiation spectra of the elements - anodes of the ILD1-M indicator are shown in fig. 4.

Vacuum luminescent indicator ILD1-M

Author: A.Yushin

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