The SFH309PFA is a silicon PIN photodiode designed for infrared remote control and light barrier applications, packaged in a surface-mountable format. Manufactured by OSRAM Opto Semiconductors, it combines high sensitivity to infrared light with a built-in daylight filter, enhancing its performance in environments with ambient light. Its surface-mount design facilitates efficient automated assembly processes.

Applications:

• Remote Control Systems: Used in TVs, DVD players, and other devices for receiving IR control signals.
• Light Barriers: Implemented in security systems and automated production lines to detect beam interruptions.
• Proximity Sensors: Employed in devices to detect the presence of nearby objects.
• Optical Switches: Used in circuits for light-activated switching functions.

Features:

• High Infrared Sensitivity: Provides strong signal detection for reliable operation.
• Integrated Daylight Filter: Reduces the influence of ambient light, improving accuracy.
• Surface Mount Package: Enables efficient automated assembly.
• Fast Switching Speed: Responds quickly to changes in light intensity.
• Robust Construction: Ensures reliable performance under varying conditions.

Benefits:

• Enhanced Remote Control Reliability: Consistent signal reception improves user experience.
• Increased Security System Effectiveness: Fewer false alarms due to ambient light.
• Cost-Efficient Assembly: Surface mount technology reduces manufacturing costs.
• Stable Performance: Reliable operation across a range of environmental conditions.

Additional Details:

The SFH309PFA is particularly sensitive to infrared light around 950 nm. It typically operates with a reverse voltage around 30V. Its operating temperature ranges from -40°C to +85°C. For detailed specifications, including spectral response and electrical characteristics, consult the OSRAM datasheet. The integrated daylight filter is a key feature that enhances its performance in lit environments. This component is also RoHS compliant.