Vishay has announced an AlGaN mid-power ultra-violet LED for water purification, air purification, surface sterilisation, medical disinfection, and portable sanitisers. Called VLMU35CM00-280-120, it comes in a 3.5 x 3.5 x 1.2mm surface-ceramic mount package with a quartz window. Because of this construction, the firm is claiming “extremely long lifetime” – however, nowhere in the data sheet nor the product ...

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