IR LEDs & Photodetectors

The infrared emitters and photodetectors from Würth Elektronik ensure perfect optical coupling and extremely fast switching times. Provided in all industry standard packages. Optimize your sensing applications, data transfer or detection uses.

Product Benefits

  • Perfect optical coupling
  • Fast switching times
  • Wavelengths: 850 & 940 nm
  • With / without daylight filter

Perfect Match Efficiency

The maximum sensitivity of the photodetectors perfectly matches the emitter spectrum

  • Perfect match of IR LEDs and Photodetectors:
    • 100 % @ 940 nm with filter
    • 95 % @ 850 nm without filter

Switching Time up to 100 MHz

  • The extremely fast switching time of a few nanoseconds ensures high data transfer rates

Perfect Quality

All parts with gold wire for excellent contact

Industry Standard Package

  • Emitter & photodetector are available in all industry standard packages

Applications

Security systems

Smoke detector, camera

Home appliances

Remote control, cleaning robot

Light barriers

Security areas, counter and encoder, optoelectronic sensors, data transmission

Automatic switches

Touchless water syphons, toilet systems, hygienic applications, water saving systems

Biometric identification

Iris recognition, face recognition, vein recognition

Biometrics & health monitoring

Heart rate monitoring, pulse oximetry, blood pressure

Sensors

Automatic doors, automatic light, presence sensors

Screens

Touch & touchless

Product Overview

Infrared LEDs

Series Size Wavelength (nm) Radiant Intensity (mW/sr) Viewing Angle View Details
WL-SICW 0402,0603,1206 850/940 5-6 @ 20 mA 80°-150° View Details
WL-SISW 0402,1106,1104,1002,1206 850/940 0.8-11 @ 20 mA 45°-150° View Details
WL-SIRW 1206 850/940 5-20 @ 20 mA 30° View Details
WL-SITW 3528 850/940 8-9 @ 50 mA 120° View Details
WL-SIMW 3535 850/940 220-350 @ 1 A 90° / 130° View Details
WL-TIRW 3 mm, 5 mm 850/940 30-85 @ 50 mA 35° View Details

Photodiodes

Series Size Wavelength (nm) Photocurrent @ VR=5V, Ee=1mW/cm² (μA ) Viewing Angle View Details
WL-SDCB 1206 940 1.8 140° View Details
WL-SDSB 1104 940 2.5 150° View Details
WL-TDRW THT 5 mm 940 28 35° View Details
WL-TDRB THT 5 mm 940 31 35° View Details

Phototransistors

Series Size Wavelength (nm) Collector Current @ VCE=5V, Ee= 1mW/cm² (mA) Viewing Angle View Details
WL-STCW 0603 940 1.6 150° View Details
WL-STCB 1206 940 1.8 140° View Details
WL-STSW 1104 940 2.5 150° View Details
WL-STRB 1206 dome 940 1.8 30° View Details
WL-STTW 3528 940 3.1 120° View Details
WL-STTB 3528 940 2.8 120° View Details

Additional Content

Resources

Discover our products in the online platform REDEXPERT for simple component selection and simulation:

Product Highlights

Product Training Modules