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OVM4x Series Color LEDs

Photonics.com
Nov 2010
Optek Technology, Industrial Sensing & ControlRequest Info
 
CARROLLTON, Texas, Nov. 12, 2010 — TT electronics Optek Technology has developed high-reliability visible color LEDs for use in military and harsh-environment industrial applications.

The high-sensitivity OVM4x series LEDs provide military systems engineers the ability to achieve high-brightness color illumination and indication with well-defined patterns. Processed to MIL-PRF-19500-level TX and TXV specifications, the visible LEDs feature a hermetically sealed TO-46 package with built-in electrostatic discharge protection and are available in blue, green, red and yellow.

The LEDs are processed to the company's 100% screening and quality control program standards, with Group A and B testing performed on each lot. Group C testing is performed every six months to ensure reliability.

The blue LEDs are made of indium gallium nitride (InGaN) with typical luminous intensity of 2260 mcd and a dominant wavelength from 460 to 470 nm at IF=20mA. Forward voltage is rated from 2.60 V, typical, to 2.95 V maximum.

The green LEDs are made of InGaN with typical luminous intensity of 6520 mcd and a dominant wavelength from 520 to 540 nm at IF=20mA. Forward voltage is rated from 2.60, typical, to 2.95 V maximum.

The red LEDs are made of aluminum indium gallium phosphide (AlInGaP) with typical luminous intensity of 3330 mcd and a dominant wavelength from 619 to 629 nm at IF=20mA. Forward voltage is rated from 1.8, typical, to 2.15 V maximum.

The yellow models are made of AlInGaP with typical luminous intensity of 2010 mcd and a dominant wavelength from 584 to 594 nm at IF=20mA. Forward voltage is rated from 1.8, typical, to 2.15 V maximum.

All LEDs in the series exhibit continuous forward current of 100 mA, with a peak forward current rating of 1.6 A at 10% duty cycle, 1 KHz. Power dissipation is 370 mW, with a current linearity vs. ambient temperature rating of -0.2 mA/°C. Operating temperature range is from -55 to 100 °C.

Packaged with a clear glass lens, the LEDs feature a viewing angle of 18°.


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GLOSSARY
color
The attribute of visual experience that can be described as having quantitatively specifiable dimensions of hue, saturation, and brightness or lightness. The visual experience, not including aspects of extent (e.g., size, shape, texture, etc.) and duration (e.g., movement, flicker, etc.).
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