ROHM SMLD12WBN1W white chip LED

Monday, 11 March, 2019 | Supplied by: Fairmont Marketing



ROHM has announced the availability of the SMLD12WBN1W, a white chip LED with 1608 (1.6 x 0.8 mm) size. The package offers good mountability and long operational life, which makes it suitable for use in display panels (eg, temperature control displays) in industrial and compact consumer equipment.

In recent years, the need to improve both design quality and visibility of industrial equipment has increased the use of white LEDs for numerical displays and visual indicators in these applications. But it has been difficult to achieve no degradation in luminosity due to the use of epoxy or silicone resins for moulding of typical white chip LEDs. These types of material could not prevent degradation in luminosity or provide enough package strength to facilitate mounting on circuit boards.

ROHM has been providing 1608-size chip LEDs in colours ranging from red to green, and now it is adding white to this product range to meet market demand. The adoption of a material that combines the benefits of epoxy and silicone resins made it possible to achieve a non-degradable white chip LED in such a small package.

ROHM’s tests have demonstrated that the SMLD12WBN1W maintained 100% of its luminosity after operating for 1000 h (@25°C, IF=20 mA), which is said to represent an improvement of 20x in operational life when compared to other similar products available in the market. Additional tests showed that the package strength was improved 25 times with the material when compared to products using silicone resin. This should help reduce the occurrence of failures during fabrication when mounting on circuit boards.

Online: www.fairmontmarketing.com.au
Phone: 03 9878 3077
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