MILDTL28803/3D
Operating:
Dot to dot ratio:
Segment to segment: 3 to 1 maximum.
Digit to digit: 3 to 1 maximum.
Optical:
Chromaticity: Method I in accordance with MILDTL28803.
Contrast ratio:
Prior to life (electrical): 10 to 1 minimum.
After life (electrical): 4 to 1 minimum.
Luminance: Average 300 foot-lamberts (1027.9 Candela per square meter) minimum with a supply of 5 volts.
Physical and mechanical:
Mechanical endurance: Not applicable.
Solderability: Not applicable.
Terminal strength: The terminals shall be tested in accordance with Method 211 of MILSTD202, with the
following details and exceptions: Test condition letter A, with an applied force of 5 pounds (2.27 Kg) in accordance
with MILDTL28803.
Electrical:
Supply voltage: 5 volts maximum.
Supply current (each lamp): .025 ampere maximum.
Environmental:
Shock: Method I in accordance with MILDTL28803.
Vibration: Grade 2 in accordance with MILDTL28803.
Operating temperature: 55°C to +71°C.
Storage temperature: 55°C to +85°C.
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