The Fairchild/ON Semiconductor QED233A4R0 is a silicon phototransistor housed in a clear epoxy package. This device is designed for high sensitivity and fast switching speeds, making it suitable for a variety of optical sensing and control applications. It features a wide viewing angle and excellent linearity, ensuring accurate and reliable performance. The QED233A4R0 is commonly used in light detectors, encoders, and optical switches.

Applications

• Light Detectors
• Optical Encoders
• Optical Switches
• Proximity Sensors
• Object Detection

Features

• High Sensitivity
• Fast Switching Speed
• Wide Viewing Angle
• Excellent Linearity
• Clear Epoxy Package
• Operating Temperature Range: -40°C to +100°C

Benefits

• Accurate Light Detection: High sensitivity and linearity ensure precise measurement of light intensity.
• Fast Response Time: Quick switching speed allows for real-time detection and control.
• Versatile Applications: Suitable for a wide range of optical sensing applications.
• Reliable Performance: Robust design and wide operating temperature range ensure reliable operation in various environments.

Additional Details

The QED233A4R0 phototransistor has a typical collector-emitter voltage of 30V and a collector current of 50mA. The spectral response is optimized for visible and near-infrared light. The clear epoxy package allows for maximum light transmission. When using the QED233A4R0, it is essential to consider the ambient light conditions and design the circuit accordingly to avoid saturation or false triggering. A series resistor is typically used to limit the collector current and protect the phototransistor from damage. Proper shielding and filtering techniques may be necessary to minimize the effects of ambient noise and interference. The device comes in a standard through-hole package, and care should be taken during soldering to avoid overheating.