High speed PIN photodiode enables slim sensor, wearable designs: Vishay Intertechnology offers the VEMD5080X01 high speed PIN photodiode, saying it delivers precise signal detection for slim sensor designs, particularly for wearables.

The VEMD5080X01 is claimed to offer enhanced sensitivity for visible light in 5.0 x 4.0mm surface mount package, with a low profile of just 0.9mm.

The VEMD5080X01 high speed silicon PIN photodiode offers fast switching times and low capacitance for precise signal detection in wearable devices and medical, industrial, and automotive applications.

A large radiant-sensitive area, measuring 7.5mm², and high radiant sensitivity with a reverse light current of 45microA and dark current of 0.2nA, the VEMD5080X01 detects visible and near infrared (IR) radiation over a sensitivity range from 350 to 1100nm. For green LEDs, the VEMD5080X01’s sensitivity represents a 30 per cent improvement over previous-generations, says Vishay.

When used with Vishay’s VLMTG1400 green LED, the photodiode’s small size and sensitivity enable slim sensor designs for optical heart rate detection in wearable devices such as fitness trackers and smart watches. When combined with Vishay’s VSMD66694 660 and 940nm dual colour emitting diodes, the VEMD5080X01 is suitable for SpO² measurement in medical monitors. In addition, it provides high speed photo detection in smoke detectors with dual-wavelength light sources and automotive dust and particle sensors in combination with a red diode.

The VEMD5080X01 features a ± 65 degree angle of half-sensitivity, a wide temperature range of -40 to +110 degree C, and 950nm wavelength of peak sensitivity. The robust VEMD5080X01 is tested to AEC-Q101 standards for automotive grade semiconductors. The photodiode is RoHS-compliant and halogen-free, and provides a moisture sensitivity level (MSL) of four in accordance with J-STD-020 for a floor life of 72hours. Wettable flanks allow for optical solder joint inspection.

Samples and production quantities of the VEMD5080X01 are available now.

http://www.vishay.com

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