Test & Measurement

UVC emitting diode comes in compact SMD package

17th July 2019
Mick Elliott

Adding to its portfolio of short wavelength ultraviolet (UVC) emitting diodes Vishay Intertechnology has launched a compact SMD device for sterilisation, sanitation, and purification applications. Designed to replace mercury UVC lamps, the Vishay Semiconductors VLMU35CL..-280-120 delivers a long lifetime in a 3.5mm by 3.5mm by 1.2mm surface-mount package with a quartz window that eliminates the need for an external lens.

The device offers an emission angle of ± 60° and high radiant power to 3.2mW at 20mA or 7.5mW at 50mA.

Built on AlGaN technology, the VLMU35CL..-280-12 features maximum forward voltage of 6.5 V, a wavelength range of 265nm to 285nm, and forward current up to 70 mA, compared to 30 mA for typical competing parts.

The emitter diode's specifications make it ideal for water and air purification, physical surface sterilisation, medical disinfection, and portable sanitisers.

The device is RoHS-compliant, halogen-free, and Vishay Green, and it is compatible with reflow soldering processes and features a Moisture Sensitivity Level of 3 in accordance with J-STD-020.

Samples of the new UVC emitting diode are available now.

Production quantities are available now with lead times of four to six weeks.

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