The SFH4651 from OSRAM Opto Semiconductors is an infrared (IR) emitter designed for applications such as remote control systems, light barriers, and proximity sensors. Operating at a wavelength of 950nm, this device provides efficient and reliable IR emission in a compact package. It is a suitable component for various sensing and communication applications.

Applications

• Remote controls for consumer electronics (TVs, DVD players, etc.)
• Light barriers for industrial automation
• Proximity sensors in security systems
• Optical switches
• IR data transmission

Features

• High radiant intensity
• Narrow beam angle for focused emission
• Fast switching times
• Wavelength of 950 nm
• Compact and robust package
• RoHS compliant

Benefits

• Enables reliable and efficient remote control operation.
• Provides accurate and responsive performance in light barrier systems.
• Facilitates precise proximity sensing capabilities.
• Offers high-speed performance in optical switching applications.
• Simplifies integration into new and existing designs.

The SFH4651 features a typical forward voltage of 1.5V and a radiant intensity of approximately 20 mW/sr. Its narrow beam angle ensures focused and efficient transmission of IR light, making it ideal for applications requiring a concentrated beam. The fast switching times enable its use in systems requiring rapid response. The 950 nm wavelength guarantees compatibility with a wide range of silicon-based phototransistors and photodiodes. The device's compact package allows for easy integration into space-constrained applications.