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NVIS Compatible Rear-Mount LED
Indicator
Model ML 1638
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The ML1638 status indicator was designed
to meet the requirements of MIL-L-85762A and MIL-STD-3009.
This solid state LED indicator has an infrared blocking
lens that is compatible with NVIS environments. It
is a rearmount indicator and comes complete with O-Ring
and mounting hardware.
Cleared by DOD/OFOISR for public
release under 00-S-1235 dated April 17, 2000.
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Designed to meet MIL-L-85762
and MIL-STD-3009 Lighting, Aircraft, Interior
Night Vision, Imaging System (NVIS) compatible
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Decorative Bezel Available |
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Environmentally Sealed |
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Panel Mount Seal |
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Colors: Yellow & Green |
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Compact Case Design
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Decorative Bezel |
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Optional EMI Screen |
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| Case:
Aluminum, black anodized standard. Clear chromate
case with EMI screen optional. |
| Mounting:
Rear-mount by 5/16-32" nut and lockwasher |
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O-Ring: Fluorosilicone rubber
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| Storage
Temperature: -55°C to +100°C. |
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Operating Temperature:
Yellow:
-55°C to +100°C
Green:
-20°C to +100°C
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| Vibration:
.06" D.A. or 20 G's Peak, whichever is less, 10
Hz to 2 KHz, MIL STD 202, Method 204, Test Condition
D. |
| Shock:
100 G's MIL STD 202, Method 213, Test Condition
I. |
| Moisture Resistance:
(Humidity): MIL STD 202, Method 106. |
| Altitude:
100,000 ft., MIL STD 202, Method 105, Test Condition
D. |
| Reliability:
Operational 6x106 hours. minimum MTBF
@ 25°C. |
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Salt Spray: MIL STD 202, Method 101, Test
Condition B.
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Color
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NVIS Yellow
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NVIS Green
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| Forward Voltage
(VDC) |
2.4
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2.7
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| Peak Forward
Current (mA) |
60mA
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90mA
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| DC Forward
Current (mA)* |
20mA
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30mA
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| Reverse Voltage
(VDC) (IR=100µA) |
5
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5
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| Power Dissipation
(mW) |
85
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135
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| Luminous Intensity
(mcd) typical Non-Diffused |
5.0
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3.0
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| @ If
=20 mA Diffused |
0.6
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0.6
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Chromaticity
Per MIL-L-85762A and MIL-STD-3009 |
NVIS Yellow
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NVIS Green B
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NVIS Radiance
Per MIL-L-85762A and MIL-STD-3009 |
NRA
1.5 x 10-7
NRB 1.4 x 10-7
@15ƒL
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NRA
1.7 x 10-10
NRB 1.7 x 10-10
@ 0.1ƒL
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| Viewing Angle
Non-Diffused |
32°
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32°
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| Viewing Angle
Diffused |
50°
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50°
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| Operating Temperature
(°C) |
-55 to +100
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-20 to +100
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| Storage Temperature
(°C) |
-55 to +100
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-55 to +100
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NOTE: 1. DC Forward Current Derating. Yellow indicators,
derate linearly from 50°C at 0.2 mA per °C. Green
indicators, derate linearly from 50°C at 0.2 mA
per °C. |
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When
ordering, show model number first, followed by EMI
screen, then LED color, lens type and terminal style.
If this is a special part, the factory's modification
number will be added at the end of the ordering number.
Example:
Basic model, with an EMI screen, NVIS yellow LED,
diffused lens, and straight leads would be ML1638
E-Y-D-ST.
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ML
1638 - E
- Y - D - ST
- S ( )
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Basic
Model Number
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EMI
Screen
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L.E.D.
Color
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LED
Lens
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Terminal
Style
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Factory
Modification
Number if Special
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ML
1638
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(
) None
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Y=
Yellow
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ND=
Non-Diffused
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ST=
Straight Lead
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S.+
ID No.
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E
= Screen
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G=
Green
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D=
Diffused
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LT=
Loop terminal
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NOTE:
Dim. in ( ) are mm.Tolerances:Decimals: ± .010 (0,25) Fractions:±
1/64
All mounting hardware is black anodized aluminum. Mounting
Torque: 5-7 in. lbs.
| This
PDF contains a printable version of the hard copy
catalog page. |
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L-3-EDI
ML1638.pdf |
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Note: Viewing and printing PDF files requires
the free Adobe Acrobat Reader program. You can
download Acrobat Reader from Adobe's
web site. |
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