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. Available ex stock.
Samples free of charge.

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

e.g. smoke detector, camera

Home appliances

e.g. remote control, cleaning robot

Light barriers

e.g. security areas, counter and encoder, optoelectronic sensors, data transmission

Automatic switches

e.g. touchless water syphons, toilet systems, hygienic applications, water saving systems

Biometric identification

e.g. iris recognition, face recognition, vein recognition

Biometrics & health monitoring

e.g. heart rate monitoring, pulse oximetry, blood pressure

Sensors

e.g. automatic doors, automatic light, presence sensors

Screens

e.g. touch & touchless

Product Overview

Infrared LEDs

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

Photodiodes

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

Phototransistors

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

Useful links:

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