Enduring ceramic/quartz based UVC emitting diode is in SMD package

Short wavelength ultraviolet (UVC) emitting diodes from Vishay now include a compact surface mount device for sterilisation, sanitation, and purification applications. Designed to replace mercury UVC lamps, the Vishay Semiconductors VLMU35CL..-280-120 is in a 3.5 x 3.5 x 1.2mm surface mount package with a quartz window that eliminates the need for an external lens.

It has an emission angle of ±60 degrees and high radiant power to 3.2mW at 20mA or 7.5mW at 50mA. Built on AlGaN technology, the VLMU35CL..-280-12 has maximum forward voltage of 6.5V, a wavelength range of 265 to 285nm and forward current up to 70mA, compared to 30mA for typical competing parts, reports Vishay.

The emitter diode can be used in water and air purification, physical surface sterilization, medical disinfection, and portable sanitizers. It is RoHS-compliant and halogen-free and compatible with reflow soldering processes. It has 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.

Vishay Intertechnology manufactures discrete semiconductors (diodes, MOSFETs, and infra red optoelectronics) and passive electronic components (resistors, inductors, and capacitors). The company’s components are used in virtually all types of electronic devices and equipment, in the industrial, computing, automotive, consumer, telecommunications, military, aerospace, power supplies, and medical markets.


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