The SFH4680 is a high-performance infrared (IR) emitter designed for a variety of applications needing efficient IR radiation. Manufactured by OSRAM Opto Semiconductors Inc., it's optimized for uses like remote control systems, security setups, and various optical sensing systems.
Applications:
- Remote Control Systems: Acts as the IR transmitter in remote controls for televisions, DVD players, and other consumer electronics.
- Security Systems: Used in security systems for object detection and alarm triggering.
- Light Barriers and Proximity Sensors: Employed in industrial automation for detecting objects and measuring distances.
- IR Illumination: Functions as a light source in night vision applications and security cameras.
- Gesture Recognition Systems: Integrated into devices that recognize and respond to hand movements.
Features:
- High Radiant Intensity: Produces a bright and concentrated infrared light beam.
- Narrow Emission Angle: Enables precise targeting, reducing ambient light interference.
- Fast Switching Speed: Allows for rapid response times, beneficial for high-speed data transfer and sensing.
- Compact Package: Facilitates easy incorporation into numerous electronic designs.
- RoHS Compliant: Compliant with environmental standards regarding the restriction of dangerous substances.
Benefits:
- Improved System Efficiency: The combination of high radiant intensity and a narrow emission angle optimizes the effectiveness of IR systems.
- Enhanced Accuracy: Provides more accurate object detection and distance measurements.
- Reliable Performance: OSRAM's reputation assures dependable and stable performance.
- Streamlined Integration: The compact design makes integration straightforward.
- Economical Solution: Presents a strong balance between performance and cost-effectiveness.
Additional Details:
The SFH4680 emits infrared light at a specific wavelength, typically in the 940 nm range. Its narrow emission angle allows for concentrated transmission, decreasing the influence of ambient light and increasing the signal-to-noise ratio. The device is commonly driven using pulsed current to boost radiant intensity. A current-limiting resistor is crucial to prevent LED damage. Depending on the driving current and ambient temperature, heat sinking may be necessary. The standard forward voltage is between 1.3V and 1.7V. Always consult the official OSRAM datasheet for the most up-to-date and accurate specifications and application instructions.