The SFH310 is a silicon NPN phototransistor manufactured by OSRAM Opto Semiconductors Inc. This phototransistor is designed to be sensitive to visible and near-infrared radiation, making it suitable for a variety of light detection and sensing applications. Its small size and high sensitivity make it an ideal choice for compact and efficient light sensing systems.

Applications:

• Light Barriers: Used in light barrier systems to detect interruptions in a light beam.
• Object Detection: Employed in object detection sensors for industrial automation and robotics.
• Position Sensors: Incorporated into position sensors for determining the position of an object based on light intensity.
• Optical Switches: Utilized in optical switch circuits to control the flow of current based on light levels.
• Ambient Light Sensors: Found in ambient light sensors for adjusting display brightness in electronic devices.

Features:

• High Sensitivity: Detects even low levels of light, ensuring reliable performance in various lighting conditions.
• Visible and Near-Infrared Sensitivity: Responds to a wide range of light wavelengths, increasing versatility.
• Small Size: Compact package allows for integration into space-constrained applications.
• Fast Switching Speed: Enables rapid response to changes in light intensity, critical for real-time applications.
• NPN Transistor Configuration: Standard NPN transistor configuration simplifies integration into electronic circuits.

Benefits:

• Accurate Light Detection: High sensitivity ensures accurate and reliable light detection in various applications.
• Versatile Application: Broad spectral sensitivity allows for use in a wide range of lighting environments.
• Compact System Design: Small size facilitates the design of compact and efficient light sensing systems.
• Real-Time Response: Fast switching speed enables real-time monitoring and control of light-dependent systems.
• Easy Integration: Standard NPN configuration simplifies circuit design and implementation.

Additional Details:

The SFH310 phototransistor features a clear epoxy package that maximizes light transmission to the active sensing area. Its collector-emitter voltage and power dissipation ratings are designed to provide reliable operation in typical electronic circuits. The specific characteristics can be found in the OSRAM datasheet for this part. It is a leaded component that allows for thru-hole mounting.