TCRT5000L Reflective IR Sensor Photoelectric Switch

TCRT5000L Reflective IR Sensor Photoelectric Switch is a compact, high-sensitivity reflective infrared sensor used for detecting objects, proximity, and line tracking applications. It integrates an IR emitter and phototransistor in a single package, making it ideal for automation systems, robots, and consumer electronics where non-contact detection is required.

Key Features:

• Integrated IR LED and Phototransistor: Provides consistent object detection through reflection.
• Compact Form Factor: Easy to integrate into tight spaces and embedded systems.
• High Sensitivity: Reliable detection for light/dark surface transitions.
• Fast Response Time: Suitable for real-time line following and motion detection.
• RoHS Compliant: Environmentally friendly and safe for commercial use.

Technical Specifications:

• IR LED Forward Voltage: 1.25V (typical) at 20mA
• IR LED Forward Current: 60mA max
• Phototransistor Collector-Emitter Voltage (V_CEO): 70V max
• Collector Current: 20mA max
• Operating Wavelength: 950nm (infrared)
• Peak Reflection Distance: 2–15mm
• Response Time: ≤ 15μs

Mechanical Specifications:

• Package Type: 4-pin THT (Through Hole)
• Material: Black plastic housing to prevent ambient light interference
• Mounting Style: PCB Through-hole
• Environmental Rating: RoHS compliant

Dimensions:

• Length: ~10.2mm
• Width: ~5.8mm
• Height: ~7mm
• Pin Pitch: 2.54mm (standard)

Pinout and Wiring:

• Pin 1 (Anode): IR LED Anode
• Pin 2 (Cathode): IR LED Cathode
• Pin 3 (Collector): Phototransistor Collector
• Pin 4 (Emitter): Phototransistor Emitter
• Usage: Connect LED with current limiting resistor, and collector to microcontroller input through a pull-up resistor

Datasheet Reference:

• Search for “TCRT5000L Vishay Datasheet” on the manufacturer’s official site or component distributors

Applications:

• Line Following Robots: Detect black/white contrast on track surfaces
• Proximity Detection: Short-range object detection in automation systems
• Obstacle Avoidance: Used in mobile robots and AGVs
• Encoder Feedback: Count rotation by detecting patterns or slits
• Consumer Electronics: Paper detection in printers or slot detection in vending machines

Equivalent Models:

• TCRT5000: Standard model with similar pin configuration and behavior
• TCST2103: Slotted version with integrated emitter and detector
• QRD1114: Reflective sensor with similar footprint and IR specs
• OPB706A: Integrated IR reflective sensor with higher resolution and longer range

Package Includes:

• 1 x TCRT5000L Reflective IR Sensor Module