Optek Technology Designed OVM4x Series of LEDs for Military Application
Oct 31, 2010 To satisfy the need for military systems engineers TT electronics Optek Technology has designed a new family of high-reliability, high-sensitivity color LEDs with MIL-PRF-19500-level TX and TXV specifications. The OVM4x series of visible LEDs come in a hermetically sealed TO-46 package with built-in ESD protection and are available in blue, green, red and yellow colors.
They all feature continuous forward current of 100mA, with a peak forward current rating of 1.6A (@10% duty cycle, 1kHz); power dissipation of 370mW; current linearity vs. ambient temperature rating of -0.2mA/°C; and operating temperature range of -55°C to +100°C. The LEDs are packaged with a clear glass lens and boast a feature a viewing angle of 18°.
The blue and green LEDs are made of InGaN, with the blue ones showing a typical luminous intensity of 2260mcd, dominant wavelength of 460nm- 470nm at IF=20mA, and forward voltage rated from 2.60V (typical) to 2.95V (max.)
The green LEDs have a typical luminous intensity of 6520mcd, dominant wavelength of 520nm-540nm at IF=20mA, and forward voltage of 2.60V (typical) to 2.95V (max.).
The red and yellow LEDs are both made of AlInGaP. The red ones feature a typical luminous intensity of 3330mcd, dominant wavelength of 619nm-629nm at IF=20mA, and forward voltage of 1.8V (typical) to 2.15V (max.) while the yellow LEDs have a typical luminous intensity of 2010mcd, dominant wavelength of 584nm-594nm at IF=20mA, and forward voltage of 1.8V (typical) to 2.15V (max.)
According to the company, the new LEDs can withstand extreme conditions in defense electronics, military vehicle lighting and harsh industrial applications.
Author: BIO T&T
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