Luminus adds 11 high-intensity IR LEDs with 40-130° viewing angle options for emerging applications

Luminus Devices Inc of Sunnyvale, CA, USA – which designs and makes LEDs and solid-state technology (SST) light sources for global illumination markets – has significantly expanded its portfolio of high-power infrared (IR) LEDs with 11 emitters designed to address the rapid expansion of automotive, consumer, machine vision, medical and security applications.

The IR SST LEDs are now offered in three wavelengths – 810nm, 850nm and 940nm – and six beam angle options ranging from 40° to 130°. The high radiometric power output and low thermal resistance allow system designers to reduce the number of emitters and overall footprint for a broad range of infrared applications.

Nine of the new IR products are based on dual-junction technology, which nearly doubles the power density and keeps efficiency virtually unchanged. This makes it easier to develop solutions with much higher radiant intensity and more compact designs, says Luminus. The IR SST product line delivers high radiometric power of up to 1600mW typical at 850nm and 1A drive current, and radiant intensity in excess of 1300mW/sr.

“Our dual-junction technology allows us to double the power density in the same footprint,” says Yves Bertic, senior director of global product marketing. “Now, product designers can address applications that need longer reach and more intense and focused beams.”

The range is designed to support the increasing variety of infrared applications. The small 40° beam angle is a suitable replacement for legacy 2-5mm through-hole IR LEDs, and the broadest beam angle 130° is suitable for flood illumination that is more common in security applications.

Whether for biometric applications or monitoring for security, the latest generation of IR LEDs supports ongoing industry development and reduces time to market, says Luminus.

The IR SST products are industry-standard 3535 surface-mount packages with low thermal resistance and are drop-in replacements. All Luminus IR SST emitters are rated as ‘Risk-Free’ for eye safety according to the IEC Photo-biological Test (IEC/EN 62471 standard).

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