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Vishay VSLY5940 Infrared Emitting Diode

The VSLY5940 is a high-performance infrared emitting diode operating at 940 nm, designed for applications including infrared cameras, high-speed IR data transmission, and smoke detectors. It features GaAlAs surface emitter chip technology with high radiant intensity, optical power, and speed. Packaged in a clear plastic mold with a parabolic lens, it supports high pulse currents and offers excellent spectral matching with CMOS cameras. Suitable for harsh environments with a wide operating temperature range, it provides reliable operation in various industrial and consumer optical systems.

Authorized Distributors
Source:DigiKey
Part No:VSLY5940
Stock:2948
Inv Date:06-09-2026
Price: Unit price: $1.52
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Part No:VSLY5940
Stock:15490
Inv Date:06-10-2026
Price: Unit price: $1.51
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Part No:VSLY5940
Stock:0
Inv Date:06-09-2026
Price: Unit price: $0.48
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Part No:VSLY5940
Stock:2
Inv Date:06-10-2026
Price: N/A
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Vishay VSLY5940 Infrared Emitting Diode Specifications:

  • Package type: leaded, T-1% form
  • Dimensions: approximately 5 mm in length, with leads stand-off
  • Peak wavelength: 940 nm
  • Spectral bandwidth: 35 nm
  • Angular half intensity: +3°
  • Maximum reverse voltage: 5 V
  • Forward current: 100 mA (peak 200 mA with pulses)
  • Peak radiant power: 55 mW at 100 mA
  • Radiant intensity: 600 mW/sr
  • Thermal resistance junction/ambient: 230 K/W
  • Operating temperature range: -40°C to +85°C
  • Storage temperature range: -40°C to +100°C
  • Soldering temperature: 260°C for 5s, 2mm from case
  • Junction temperature: 100°C maximum
  • Power dissipation: 190 mW
  • Rise and fall times: 10 ns
  • Peak wavelength stability: approximately 940 nm

Buy the Vishay VSLY5940 – Reliable Infrared Emitting Diode for Industrial Applications

Discover the VSLY5940 infrared emitter, ideal for cameras, fire detection, and high-speed data transfer. With high radiant intensity, 940 nm wavelength, and robust construction, this diode ensures precise infrared emission for demanding industrial and consumer optical applications. Its surface emitter technology and parabolic lens provide excellent optical performance, while a wide operating temperature range guarantees durability in various environments. Order online today to enhance your optical system with this reliable, high-performance IR diode designed for efficiency and longevity.

Buy Vishay VSLY5940 now and experience unmatched reliability and performance in infrared technology and optical communication systems.

Frequently Asked Questions

Where can I buy Vishay VSLY5940?

You can click on the BUY or RFQ button to purchase VSLY5940 from an authorized Vishay distributor.

How do I troubleshoot issues or seek technical support for part VSLY5940?

You can download the VSLY5940 datasheet or visit the Vishay website for support.

Who is the manufacturer of VSLY5940?

Vishay

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