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- Vishay’s product portfolio is an unmatched collection of discrete semiconductors (diodes, MOSFETs, and optoelectronics) and passive components (resistors, inductors, and capacitors). These components are used in virtually all types of electronic devices and equipment in the industrial, computing, automotive, consumer, telecommunications, military, aerospace, and medical markets. Vishay is proud to be a major partner with Digi-Key.

PCB Design Tools for Optocouplers

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Find footprints, schematic symbols, 3D models and SPICE models all in one place. Learn More

Sensor Starter Kit

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Hardware and driver needed for all our Light to Digital evaluation boards. Learn More

OPTO Squad

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Join Us! See Samy test his girl detector. Watch Jim brought to his knees. Hear Deniz’s sound of one hand clapping. Learn More

Newest Products View All (83)

Image of MikroElektronika's MIKROE-2549 Opto Encoder click Board™

MIKROE-2549 Opto Encoder click Board™

MikroElektronika's MIKROE-2549 opto encoder click is a linear incremental optical sensor/encoder click which can be used for movement or rotation encoding.

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Image of Vishay's VEMD5510C/VEMD5510CF High Speed PIN Photodiodes in Compact SMD Package

VEMD5510C/VEMD5510CF High-Speed PIN Photodiodes in Compact SMD Package

Vishay’s VEMD5510C and VEMD5510CF high-speed silicon PIN photodiodes deliver enhanced sensitivity for visible light, fast switching times, and low capacitance.

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Image of Vishay Semiconductor Optoelectronics' Ceramic/Quartz-Based UVC Emitting Diode

Ceramic/Quartz-Based UVC Emitting Diode

Vishay Semiconductor Optoelectronics' UVC emitting diode in an SMD package delivers an extremely long lifetime.

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High-Power UV LEDs

Vishay's high-power UV LEDs are environmentally friendly, containing no heavy metals and consuming less power.

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Image of Vishay Semiconductor's PCB Design Tools for Optocouplers

PCB Design Tools for Optocouplers

Vishay Semiconductor Optoelectronics' optical sensors, optocouplers, solid-state relays, and MOSFET driver models streamline the design of optoelectronics.

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Image of Vishay's VCNT2020 Low-Profile Reflective Sensor with Analog Output

VCNT2020 Low-Profile Reflective Sensor with Analog Output

Vishay's VCNT2020 sensor has a built-in daylight blocking filter, which greatly suppresses disturbing ambient light and thereby increases signal to noise ratio.

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Tools & Support

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Video Library

OPTO video channel highlights products and technologies with technical demonstrations, product webinars, and featured products videos. Learn More

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Vishay’s TSDP Receiver Series for Infrared Data Communications

The TSDP series devices described in this application note are suitable for receiving low-speed infrared data communications from 1200 bps to 9600 bps over a range of up to 35 meters using a single TSAL6200 infrared light emitting diode. Learn More

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Optical Sensor Current Estimator

Current estimator to help determine how much current is required for your proximity sensor or proximity with light sensor applications. Learn More

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AGC Advantage Tool

Vishay tailors the IR Receiver response based on the remote control code and the type of noise you might find in your operating environment. You choose the AGC that works best for you. Learn More

Product Training Modules View All (10)

Image of Vishay Optoelectronics' VCNL4035X01 schematic

VCNL4035X01 Digital Gesture Sensor

Duration: 7 minutes

The VCNL4035X01 can be programmed via I2C, allowing the user to set upper and lower thresholds, duty cycle, and integration time


VEML6030 Ambient Light Sensor

Duration: 5 minutes

This training module will give an overview of the VEML6030 ambient light sensor as well as review applications which could benefit from this device.


VCNL4040 Proximity Ambient Light Digital Sensor

Duration: 5 minutes

Including an infrared emitter, photodiodes, and signal processing IC, the VCNL4040 is ideal for a range of ambient light and proximity applications.


VEML6040 RGB Digital Sensor

Duration: 5 minutes

VEML6040 could be used in smartphones, tablets, Notebook PCs, LCD displays, wearables, LED office and street lighting and concert or colored lighting.

Featured Videos View All (39)

TCUT1630X01 Transmissive Optical Sensor

This video highlights the TCUT1630X01 which is a unique 3-Channel Slotted Interrupter for Turn and Push Applications.

Minimold IR Receivers for Remote Control and Presence/Proximity Sensing

Vishay’s Minimolds are capable of infrared reflow and eliminate the secondary wave soldering process.

High Linearity Photodiodes for Small Signal Detection

White board demonstration showing increased reliability of high linearity photodiodes vs standard photodiodes. Vishay high linearity devices deliver fast response times in 3 low-profile, surface-mount packages for automotive & industrial applications

Infrared Emitters and Receivers in Light Barrier Systems

How do you stop an automatic garage door from closing if something or someone is in its path? Vishay's TSSP4038, TSSP6038, and TSSP58038 eliminate problems with fixed gain allowing customers to set the detection threshold at a specific level.