LED Luminaries

LED news and insight from our technology editor Steve Bush, who has been messing with LED lighting for more years than he would care to remember.

IR LED emits up to 4.5W at 850nm or 940nm

Ledengin IR LZ4Up to 4.5W at 850 or 940nm is available for security lighing now LED Engin has put four dual-junction die in its 7x7mm LZ4 package.

It has also released a single die LZ1 (4.4×4.4mm) version, and a single-junction four die version.

For more information, take a look at the main Electronics Weekly news website.

On top of this, LED Engin has a couple of new quad-die red emiters:

660nm 2.6W (‘deep’ red) LZ4-00R208 LZ4 (2.6W typical at 700mW, 3.4W at 1A)

740nm 2.1W (‘far’ red) LZ4-00R308 (2.7W at 1A)

Even after skimming the data sheets, I am struggling to see the difference between these and the exising LZ4-00R200 and LZ4-00R300. Any one know?

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