The SFH303FA-4 is a silicon PIN photodiode designed for various light detection applications where ambient light rejection is crucial. Manufactured by OSRAM Opto Semiconductors, this device is known for its integrated daylight filter. This filter minimizes the effects of ambient light on the signal, improving the accuracy and reliability of the detection process. Housed in a compact surface-mount device (SMD) package, the SFH303FA-4 is ideal for automated assembly in both industrial and consumer electronics applications.

Applications:

• Remote control systems: Detects infrared signals while rejecting ambient light interference.
• Light barriers: Used in security systems and industrial automation, especially in brightly lit environments.
• Optical sensors: Integrated into light meters and ambient light detectors where accurate readings are needed.
• Medical devices: Employed in pulse oximeters and other optical diagnostic equipment to minimize ambient light effects.
• Industrial automation: Used for precise position sensing and object detection in factory settings.

Features:

• Integrated daylight filter: Reduces the impact of ambient light on the signal.
• High sensitivity: Provides a strong electrical signal even with low infrared light levels.
• Fast switching speed: Enables rapid response to changes in light intensity.
• SMD package: Surface-mount design allows for automated assembly and efficient use of board space.
• Wide spectral range: Optimized for infrared wavelengths.

Benefits:

• Improved accuracy: The daylight filter minimizes errors caused by ambient light.
• Reliable operation: Provides consistent performance in various lighting conditions.
• Easy integration: SMD package facilitates easy incorporation into existing circuit designs and automated assembly lines.
• Compact design: Small size allows for use in portable devices and space-constrained applications.
• Enhanced performance: High sensitivity and fast response time improve the overall system functionality.

Additional Details:

The SFH303FA-4 is particularly sensitive to infrared light around 950 nm. The reverse voltage is typically around 30V. The operating temperature range is generally from -40°C to +85°C. Detailed technical specifications, including spectral response curves and electrical characteristics, can be found in the OSRAM datasheet. The component is RoHS compliant.