The SFH325FA is a silicon NPN epitaxial phototransistor optimized for infrared (IR) detection in a variety of applications. Manufactured by OSRAM Opto Semiconductors, this device is known for its high sensitivity and reliability, making it ideal for use in remote control systems, light barriers, and other IR-based detection devices. The SFH325FA is designed to provide consistent performance and ease of integration into electronic circuits.

Applications

• Remote Control Systems: Commonly used as an IR receiver in remote control units for televisions, audio systems, and other electronic devices.
• Light Barriers: Integrated into safety systems and automated equipment to detect the interruption of an IR beam.
• Optical Sensors: Employed in various optical sensing applications for object detection and proximity sensing.
• Industrial Automation: Utilized in assembly lines and automated processes to detect the presence or absence of components.
• Security Systems: Incorporated into intrusion detection systems and alarm systems for motion detection.

Features

• High Sensitivity to Infrared Radiation: Provides excellent performance in detecting IR signals, even in low-light conditions.
• NPN Silicon Phototransistor: Offers stable and reliable operation.
• Compact Package: Allows for easy integration into various designs.
• Wide Acceptance Angle: Enables greater flexibility in sensor placement and alignment.
• Fast Switching Speed: Facilitates rapid response to changes in IR radiation.

Benefits

• Improved System Performance: High sensitivity ensures reliable detection, enhancing overall system functionality and reducing false triggers.
• Simplified Design Integration: Compact size and standard pinout make it easy to incorporate into new and existing designs.
• Cost-Effective Solution: Provides a balance of high performance and affordability.
• Enhanced Safety: Reliable detection in light barrier applications improves safety in industrial and automated environments.
• Increased Efficiency: Fast response time and accurate detection improve the efficiency of automated systems and processes.

Technical Specifications

The SFH325FA typically operates with a collector-emitter voltage (VCE) of up to 30V and a collector current (IC) of up to 50mA. Its peak spectral sensitivity is optimized for common IR LEDs. The package is designed for efficient IR transmission and is RoHS compliant.