Automotive grade PIN photodiodes eliminate side illumination

Two surface mount, automotive grade silicon PIN photodiodes are available from Vishay Intertechnology in the compact 0805 case size with a low 0.7 mm profile. This is 0.15mm lower than previous generation devices.

The black packages of the Vishay Semiconductors’ VEMD4010X01 and VEMD4110X01 have opaque side walls to eliminate unwanted side illumination and to increase their signal to noise ratio.

The AEC-Q101 qualified photodiodes are optimised for photo detection in applications such as solar load sensors, automotive rain, light, and tunnel sensors, light barriers for elevators, garage doors, and industrial equipment and reflective sensors for touchless taps, toilets and rubbish bins.

For the detection of visible and near infra red radiation, the VEMD4010X01 offers a wide sensitivity range from 550 to 1040nm. For 740 to 1040nm infra red applications, the VEMD4110X01 features a daylight blocking filter and is matched with 830 to 950nm IR emitters.

The devices feature a sensitive area of 0.42 mm², reverse light current of 2.4 microA, and a low dark current of 1nA.

The VEMD4010X01 and VEMD4110X01 offer fast response times, ± 60 degree angles of half-sensitivity, a wide temperature range of -40 to +110 degrees C and 910nm wavelengths of peak sensitivity.

The photodiodes are RoHS-compliant and halogen-free. The photodiodes provide a moisture sensitivity level (MSL) of 3 in accordance with J-STD-020 for a floor life of 168 hours.

Samples and production quantities of the VEMD4010X01 and VEMD4110X01 are available now, with lead times of 10 weeks for larger orders.

Vishay claims to manufacture one of the world’s largest portfolios of discrete semiconductors and passive electronic components for designs in the automotive, industrial, computing, consumer, telecommunications, military, aerospace, and medical markets.

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