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Infrared IR Emitter 940nm 1.5V 50mA Radial T1 3mm Diameter

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  • This item is discontinued and is not
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Infrared IR Emitter 940nm 1.5V 50mA Radial T1 3mm Diameter

The QEC11X is an 940nm GaAs LED encapsulated in a clear peach tinted plastic T-1 package.


  • λ = 940nm
  • Chip material = GaA
  • Package type: T-1 (3 mm)
  • Can be used with QSCXXX Photosensor (phototransistor)
  • Narrow Emission Angle, 8° at 80% intensity
  • High Output Power
  • Package material and color: Clear, peach tinted plastic


  • Type: Infrared (IR)
  • Current - DC Forward (If) (Max): 50 mA
  • Radiant Intensity (Ie) Min @ If: 14 mW/sr @ 100 mA
  • Wavelength: 940 nm
  • Voltage - Forward (Vf) (Typ): 1.5 V
  • Viewing Angle: 8°
  • Orientation: Top View
  • Operating Temperature: -40°C to 100°C (TA)
  • Mounting Type: Through Hole
  • Package: Radial, 3mm Dia (T-1)

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Specification Value
TypeIR Emitter
Lens TypeWater Clear
Package3mm, T-1
Wavelength940 nm
Viewing Angle (deg)8
Forward Voltage - Vf (Typ.)1.5
Forward Current - If (Typ.)50 mA
Height (mm)4.93
Pin Count2

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