3mm 940nm Infrared Receiver Diode (Photodiode or Phototransistor)

The 3mm 940nm Infrared Receiver is a compact photosensitive semiconductor device designed to detect infrared radiation and convert it into an electrical response. It is commonly used with infrared transmitters in optical sensing systems, where changes in received light help identify object presence, reflection or interruption of an optical path.

The exact device may be a photodiode or phototransistor, depending on the supplied component. Confirm the device type and electrical characteristics before selecting the interface circuit.

Key Features -

• Designed for infrared detection around 940nm

• Compact 3mm round package for space constrained PCB designs

• Converts incident infrared light into an electrical response

• Suitable for infrared transmitter and receiver pairs

• Supports optical sensing and switching applications

• Through hole mounting for PCB integration

Specifications -

• Device Type: Infrared receiver, photodiode or phototransistor depending on the exact model

• Peak Wavelength: Approximately 940nm, subject to the device datasheet

• Output Type: Photocurrent for a photodiode or light controlled current for a phototransistor

• Viewing Angle: Approximately 30 Degree, if specified for the supplied model

• Package Type: 3mm round through hole

• Mounting Type: Through hole PCB mounting

• Operating Conditions: Depend on the device type and manufacturer specifications

• Sensitivity and response time: Refer to the exact manufacturer datasheet

Applications -

• Infrared remote sensing circuits

• Proximity and obstacle detection

• Line following robots

• Optical communication experiments

• Optical encoder and interrupter circuits

• Infrared emitter and receiver pairs

• Arduino and microcontroller projects

• Embedded optical sensing systems