The PD438C/S46 is a phototransistor manufactured by Everlight Electronics Co. Ltd. It is designed to detect infrared radiation and convert it into an electrical signal. It is commonly used in various applications, including remote controls, optical sensors, and light barriers.

Applications

• Remote Controls: Used as a receiver in remote control systems for televisions, DVD players, and other electronic devices.
• Optical Sensors: Employed in optical sensor applications for detecting the presence or absence of an object or a change in light intensity.
• Light Barriers: Used in light barrier systems for security and automation purposes.
• Industrial Automation: Employed in industrial automation equipment for detecting the position or movement of objects.
• Consumer Electronics: Used in various consumer electronic devices for detecting infrared signals.

Features

• High Sensitivity: Offers high sensitivity to infrared radiation, enabling reliable detection of weak signals.
• Fast Response Time: Provides a fast response time, allowing for accurate detection of rapidly changing signals.
• Wide Viewing Angle: Features a wide viewing angle, enabling detection of signals from various directions.
• Compact Package: Available in a small package size, saving board space and allowing for high-density designs.
• High Reliability: Offers stable and consistent performance over a wide range of operating conditions.

Benefits

• Reliable Detection: Provides reliable detection of infrared radiation, ensuring accurate and consistent performance.
• Versatile Application: Suitable for a wide range of applications, including remote controls, optical sensors, and light barriers.
• Easy Integration: Simple to integrate into existing circuits and systems.
• Cost-Effective: Offers a cost-effective solution for infrared detection applications.
• Long Lifespan: Provides a long lifespan, ensuring reliable performance over an extended period.

Additional Details

The PD438C/S46 typically operates with a collector-emitter voltage suitable for standard electronic circuits. The peak sensitivity wavelength is optimized for common infrared emitting diodes. It is available in various package options, including through-hole packages. Detailed specifications regarding sensitivity, response time, and viewing angle can be found in the Everlight Electronics Co. Ltd datasheet for the PD438C/S46.