The SFH4211P is a silicon PIN photodiode manufactured by OSRAM Opto Semiconductors. It's designed for detecting infrared radiation and converting it into an electrical signal. This photodiode is particularly useful in applications requiring high sensitivity and fast response times to infrared light.

Applications:

• Infrared Remote Control Systems: Used in remote controls for TVs, DVD players, and other electronic devices to receive infrared signals.
• Light Barriers: Implemented in light barrier systems for object detection and security applications.
• Smoke Detectors: Employed in smoke detectors to sense infrared light scattering caused by smoke particles.
• Industrial Automation: Utilized in automated systems for object detection, positioning, and control.
• Medical Devices: Integrated into medical equipment for various sensing and detection purposes.

Features:

• High Sensitivity: Exhibits high sensitivity to infrared radiation, allowing for the detection of weak signals.
• Fast Switching Speed: Offers fast response times, enabling accurate detection of rapidly changing infrared signals.
• Wide Spectral Sensitivity Range: Sensitive to a broad range of infrared wavelengths.
• Compact Package: Small package size allows for easy integration into various applications.
• Lead (Pb)-Free Package: Compliant with RoHS directives, ensuring environmental friendliness.

Benefits:

• Reliable Detection: Provides reliable and accurate detection of infrared radiation.
• Improved System Performance: Enhances the performance of infrared-based systems due to its high sensitivity and fast response time.
• Versatile Applications: Suitable for a wide range of applications requiring infrared detection.
• Easy Integration: Simple to integrate into existing designs due to its compact package.
• Environmentally Friendly: Meets environmental regulations due to its lead-free construction.

Additional Details:

The SFH4211P has a peak sensitivity wavelength typically around 880 nm to 950nm. It is designed for through-hole mounting. It operates with a reverse voltage and generates a current proportional to the incident infrared radiation. The photodiode's specifications include details on its dark current, capacitance, and angular sensitivity, all of which are important parameters to consider when designing it into a circuit. Its robust design ensures consistent performance in a variety of operating conditions.