Warm white LEDs deliver superior colour

Cotco's new WR1 series combines familiar LED benefits such as long life, small die size and rugged design with a pleasant warm colour.

Available now from Marktech Optoelectronics, Cotco's new WR1 series combines familiar LED benefits such as long life, small die size and rugged design with a pleasant warm colour.

This series is offered in both 5mm and Surface Mount package styles.

Used wherever specialty lighting is needed, these versatile, general-lighting LEDs open up new applications in reading lights, mood lighting, display cabinets and car interior lighting.

Cotco warm white LEDs deliver superior colour rendering and colour temperature previously associated only with incandescent and halogen lamps.

This is achieved by changing the product's convertor mix.

White light is normally produced when a blue chip is combined with a yellow convertor phosphor.

By adding a red convertor phosphor, a warmer white tone is achieved.

Cotco has perfected this phosphor mixing technique to achieve a consistent typical colour temperature of 3000K for through hole devices and 3200K for SMT packages.

Cotco warm white LEDs make an entire new world of lighting applications possible.

Pricing for the WR1 warm white LEDs from Cotco starts at $0.58 in 5000-unit lots depending on package.

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