Infrared Phototransistor 940nm — 5mm, 5-Pack

Infrared Phototransistor 940nm — 5mm, 5-Pack

An NPN infrared phototransistor with 940nm peak sensitivity — 5mm package, pack of 5. Conducts current proportional to the intensity of incident infrared light, making it ideal for IR remote control receivers, line follower sensors, proximity detectors, and optical encoders. Matched to 940nm IR emitter LEDs for maximum sensitivity in IR communication and detection circuits.

Key Specifications

• Type: NPN phototransistor | Package: 5mm
• Peak wavelength: 940nm | Half-angle: 30°
• Collector current: up to 50mA | VCE: 30V max
• Response time: fast (suitable for PWM and modulated IR)
• Pack: 5 phototransistors
• Compliance: RoHS compliant

Why Choose This?

• ✅ 940nm peak sensitivity — matched to standard IR emitter LEDs for maximum signal
• ✅ 30° half-angle — focused detection for directional IR sensing
• ✅ Fast response — suitable for 38kHz modulated IR signals and PWM
• ✅ 5-pack value — spares for prototyping and production

Typical Applications

• IR remote control receiver circuit
• Line follower robot IR sensor
• Proximity and object detection sensor
• Optical encoder for motor speed sensing
• IR beam-break sensor for counting and detection

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