The SFH313FA is a silicon NPN epitaxial phototransistor designed for a wide range of applications requiring infrared (IR) detection. Manufactured by OSRAM Opto Semiconductors, this device offers high sensitivity to infrared radiation, making it suitable for various sensing and control systems. Its spectral sensitivity is well-matched to common IR emitters.

Applications

• Remote control systems: Used as a receiver for IR remote controls in TVs, DVD players, and other consumer electronics.
• Light barriers: Employed in safety systems and automated equipment where the interruption of an IR beam needs to be detected.
• Position sensors: Utilized in detecting the position of objects in automated systems.
• Industrial automation: Integrated into sensors for detecting the presence or absence of objects on production lines.
• Gaming consoles: Incorporated in motion sensing applications.

Features

• High sensitivity to infrared radiation: Provides excellent performance in detecting IR signals.
• NPN epitaxial silicon phototransistor: Offers reliable and stable operation.
• Compact package: Allows for easy integration into various designs.
• Wide viewing angle: Enables detection over a broad area.
• Fast switching speed: Facilitates rapid response to changes in IR signal.

Benefits

• Improved system performance: High sensitivity ensures reliable detection, leading to better overall system functionality.
• Easy integration: Compact size and standard pinout simplify the design process.
• Cost-effective solution: Provides a balance of performance and affordability.
• Enhanced safety: Reliable detection in light barrier applications contributes to safer operating environments.
• Increased automation efficiency: Accurate and fast detection improves the efficiency of automated systems.

Technical Specifications

The SFH313FA typically operates with a collector-emitter voltage (VCE) of up to 30V and a collector current (IC) of up to 50mA. Its spectral sensitivity peaks around 850-950 nm, aligning well with common IR LEDs. The package type is usually a clear plastic molded package designed for IR transmission. It is RoHS compliant, ensuring it meets environmental standards.