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5 mm clear IR LED model ADAID-387 940 nm 20 degree beam

Adafruit

Adafruit ADAID-387 5 mm IR LED 940 nm 20° 100 mA 1.6 V 1000 mA pulse

SKU CH-MM73-S5DMN

Emits 940 nm infrared light at 20° beam for remote controls and night-vision illumination, handling 100 mA continuous or 1000 mA pulsed current at 1.6 V forward voltage

  • TypeOther
  • 940 nm wavelength matches most remote-control receivers
  • 20° beam width focuses IR output for reliable signalling
  • 100 mA continuous drive suits night-vision illumination
  • 1 A pulse capability powers long-range remote bursts
  • 6 V forward voltage simplifies low-voltage circuit design

Ideal for IR transmitters

The Adafruit ADAID-387 is a 5 mm infrared emitter operating at 940 nm wavelength with a 20 degree beam width. It suits hobbyists and engineers building remote-control circuits, camera triggers or night-vision illumination modules. The component handles 100 mA continuous current and 1.6 V typical forward voltage. Pulsed operation up to 1000 mA is supported for high-power bursts.

Replaces standard 5 mm IR LEDs

Swap this emitter into existing 5 mm footprints when a narrower 20 degree beam or higher pulsed current capability is required. The jump is worth it for projects needing longer throw or brighter IR flooding, such as intervalometers or TV-B-Gone style arrays. Standard low-current LEDs cannot sustain 1000 mA pulses without damage. Continuous 100 mA drive also exceeds many generic indicators.

Limited by 5 mm through-hole package

The through-hole form factor restricts use to perfboard, breadboard or PCB designs with 5 mm mounting holes. Surface-mount assemblies cannot accept this package without adapters. Beam width is fixed at 20 degrees, so wide-angle coverage requires additional optics or multiple emitters. Forward voltage varies around 1.6 V; consult the datasheet for exact range before finalising driver circuits.

Highlights

  • 940 nm wavelength matches most remote-control receivers
  • 20° beam width focuses IR output for reliable signalling
  • 100 mA continuous drive suits night-vision illumination
  • 1 A pulse capability powers long-range remote bursts
  • 6 V forward voltage simplifies low-voltage circuit design

Specifications

BrandAdafruit Industries
ModelADAID-387
Part NumberADA-387
TypeOther

Questions about this item

What size hole does the 5 mm LED need for panel mounting?

The 5 mm body fits a standard 5 mm mounting hole in a panel or enclosure.

How do I wire the 1.6 V forward voltage and 100 mA continuous rating without damaging the LED?

Use a current-limiting resistor calculated for your supply voltage so the LED sees about 1.6 V at 100 mA continuous; for 1000 mA pulses add a MOSFET driver and keep pulse width short.

Will the 940 nm output degrade over time and need replacement?

IR LEDs gradually lose output power; expect years of service at 100 mA continuous, but high 1000 mA pulses will shorten usable life.

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