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Home › Manufacturer › Vishay introduces new high-speed IR emitter Provides 30% higher erightness and eliminates unnecessary side emissions
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Vishay introduces new high-speed IR emitter Provides 30% higher erightness and eliminates unnecessary side emissions

SemiMediaEdit
November 25, 2019

Vishay has expanded its optoelectronic portfolio with the release of a new high-speed infrared (IR) emitter in a 2mm x 1.25 mm x 0.8 mm 0805 surface mount package, which is the industry's smallest package offering opaque side walls. Built on Vishay’s SurfLight™ surface emitter chip technology, the Vishay Semiconductors VSMY5850X01 (850 nm), VSMY5890X01 (890 nm), and VSMY5940X01 (940 nm) deliver 30 % higher radiant intensity than previous-generation devices over a wide temperature range from -40 °C to +110 °C.

Traditional PCB packages utilize an all-transparent epoxy to embed the emitter chip, resulting in side emissions that can cause a halo effect in camera images. Ideal for position tracking in virtual or augmented reality applications, the opaque side walls of the IR emitters released today prevent unwanted side emissions and simplify designs by eliminating the need for external barriers such as rubber rings.

Unlike standard IR emitters that emit light in all directions, the SurfLight VSMY5850X01, VSMY5890X01, and VSMY5940X01 emit nearly all of their light and power out of the top of the chip. With most of the light concentrated on the surface, the IR emitters achieve higher intensity to 13 mW/sr for proximity sensors, optical switches, and miniature light barriers. The devices combine their high brightness with a ± 60° angle of half intensity, fast rise and fall times of 7 ns, and low forward voltages down to 1.6 V at 100 mA.

The VSMY5850X01, VSMY5890X01, and VSMY5940X01 are qualified for the use in automotive applications, following the stringent AEC-Q101 guidelines, offer a floor life of 168 hours, and feature a moisture sensitivity level of 3 in accordance with J-STD-020. Supporting lead (Pb)-free reflow soldering, the devices are RoHS-compliant, halogen-free, and Vishay Green.

Samples of the new IR emitters are available now. Production quantities are available with lead times of 10 weeks.

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electronic components news Vishay VSMY5850X01 VSMY5890X01 VSMY5940X01
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