IR Phototransistor - NPN - QSC112 - 880nm

Easy-to-Use 3mm IR Phototransistor

Discover reliable detection with this Fairchild QSC112 IR phototransistor. Designed with consumers in mind, this 3mm NPN infrared phototransistor is perfect for DIY electronics projects, automatic light sensors, and hobbyist circuits.

Key Features and Benefits

• Peak Sensitivity Wavelength: 880nm (infrared), ideal for many remote control and sensor applications.
• Distinguishable Design: Black plastic makes it easy to tell apart from standard LEDs in your project.
• Breadboard Friendly: 26mm long leads make prototyping simple with easy insertion into breadboards.
• NPN Configuration: Simple interface for integration with microcontrollers and electronic circuits.

Technical Specifications

• Reception Angle: +/- 4° (narrow detection for precise sensing)
• Collector-Emitter Dark Current: 100nA max
• Collector-Emitter Breakdown Voltage: 30V max
• Emitter-Collector Breakdown Voltage: 5V max
• On-State Collector Current: 1mA (min) to 4mA (max)
• Saturation Voltage: 0.4V
• Rise/Fall Time: 0.4µs each (fast switching performance)
• Quantity: 1 x QSC112 IR phototransistor
• Manufacturer Part Number: QSC112

Applications

• Infrared object detection
• Line following robots
• Remote control receiver circuits
• DIY electronic projects
• Security sensors and counters

How to Use the QSC112 IR Phototransistor

Connect the long leads to your breadboard or circuit as indicated in your schematic. Position the black plastic head towards the IR source for optimal detection. Compatible with various microcontrollers and logic circuits for flexible control.