Vacuum luminescent indicators ILTs1-1/7, ILTs2-1/7, ILTs1-1/9. Reference data

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Vacuum luminescent indicators ILTs1-1/7, ILTs2-1/7, ILTs1-1/9. Reference data

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Encyclopedia of radio electronics and electrical engineering / Reference materials

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Single-digit digital indicators ILTs1-1/7, ILTs2-1/7 and ILTs1-1/9 are designed to display information in large desktop and wall clocks (ILTs1-1/7, ILTs2-1/7), in television program selection devices (ILTs1-1/9) and other equipment of wide application. The information field of indicators ILTs1-1/7 and ILTs2-1/7 (height - 76 mm) consists of seven anode elements, and ILTs1-1/9 (height - 12 mm) consists of nine.

The devices are produced in flattened glass bottles, the conclusions are stamped hard tinned (Fig. 1 and 2).

(click to enlarge)

The glow color is green. Weight of indicators ILTs1-1/7 and ILTs2-1/7 - no more than 60 g, and ILTs1-1/9 - no more than 15 g.

Pinout indicators ILTs1-1/7 and ILTs2-1/7: pin. 1 - cathode glow, conductive coating of the inner surface of the cylinder; pin. 2 - grid; pin. 3 - element-anode a; pin. 4 - element - anode b; pin. 5 - element-anode d; pin. 6 - anode element; pin. 7- element-anode e; pin. 8 - element-anode g; pin. 9 - element-anode in; pin. 10 - cathode glow.

Pinout indicators ILTs1-1/9: vyv. 1 - cathode glow, conductive coating of the inner surface of the cylinder; pin. 2 - element-anode b; pin. 3 - element-anode v1; pin. 4 - element-anode d; pin. 5 - element-anode e1; pin. 6 - grid; conclusions 7,8 and 14 - cathode glow; pin. 9 - anode element; pin. 10 - element-anode e; pin. 11 - element-anode g; pin. 12 - element-anode in; pin 13 - anode element.

Main Specifications

Indicator brightness, cd/m2, not less, for ILTs1-1/7.....600
ILTs2-1/7.....1000
ILTs1-1/9.....400
Cathode heating voltage, V, for ILTs1-1/7, ILTs2-1/7.....4.235...5.5
ИЛЦ1-1/9.....1,02.-1,36
Cathode glow current, mA, for ILTs1-1/7, ILTs2-1/7.....180...220
ИЛЦ1-1/9.....120...180
Constant voltage on anode elements and grid, V, for ILTs1-1/7, ILTs2-1/7.....22...24
ИЛЦ1-1/9.....22.-30
Total direct current of anode elements, mA, for ILTs1-1/7, ILTs2-1/7.....70-100
ИЛЦ1-1/9.....3-.8
DC grid current, mA, for ILTs1-1/7, ILTs2-1/7.....35...80
ИЛЦ1-1/9.....3...8
Minimum time to failure, h.....20000
Shelf life, years.....6
Working range of ambient temperature, °С.....-45...+70

Author: A.Yushin, Moscow

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