The SFH320-4-Z is a silicon NPN epitaxial phototransistor designed for infrared (IR) detection. Manufactured by OSRAM Opto Semiconductors, it is engineered for high sensitivity and is suitable for various applications requiring reliable IR sensing. This phototransistor excels in environments demanding precise detection and control.

Applications

• Remote Controls: Used extensively in IR remote control receivers for televisions, audio equipment, and other consumer electronics.
• Light Barriers: Employed in safety systems for machinery and automated gates, where the interruption of an IR beam signals a hazard.
• Optical Sensors: Integrated into various optical sensing devices for object detection and proximity sensing.
• Industrial Automation: Utilized in assembly lines and automated processes to detect the presence or absence of parts or materials.
• Security Systems: Incorporated into intrusion detection systems and alarm systems to detect movement and breaches.

Features

• High Sensitivity to Infrared Radiation: Ensures reliable detection of IR signals even in low-light conditions.
• NPN Silicon Phototransistor: Offers stable and consistent performance over a wide range of operating conditions.
• Compact Package: Facilitates easy integration into space-constrained applications and designs.
• Wide Acceptance Angle: Allows for greater flexibility in sensor placement and alignment.
• Fast Switching Speed: Provides rapid response to changes in IR radiation, enabling real-time detection.

Benefits

• Enhanced System Reliability: High sensitivity and stable performance ensure consistent and dependable detection, reducing false triggers.
• Simplified Design Integration: Compact size and industry-standard pinout simplify the design process, reducing development time.
• Cost-Effective Solution: Provides a balance of performance and affordability, making it suitable for a wide range of applications.
• Improved Safety: Reliable detection in light barrier applications enhances 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 SFH320-4-Z 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 around 850-950 nm, optimized for use with standard IR LEDs. The package is a clear plastic molded package designed for optimal IR transmission. It is also compliant with RoHS environmental standards.