The SFH4646 from OSRAM Opto Semiconductors is an infrared (IR) emitter designed for use in a variety of applications including remote control, light barriers, and optical sensors. It emits infrared light at a wavelength of 950 nm and is housed in a compact package. The device is designed for efficient and reliable performance in various operating conditions.

Applications

• Remote control units (TVs, DVD players, etc.)
• Light barriers for detecting objects
• Proximity sensors
• Optical switches
• Encoders

Features

• High radiant intensity
• Narrow viewing angle
• Fast switching times
• Wavelength of 950 nm
• Compact package
• RoHS compliant

Benefits

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

The SFH4646 has a typical forward voltage of 1.5 V and a radiant intensity of around 20 mW/sr. Its narrow viewing angle allows for focused and efficient transmission of infrared light to corresponding receivers. The fast switching times enable its use in applications requiring quick response. The 950 nm wavelength ensures compatibility with a wide range of silicon-based phototransistors and photodiodes. The compact package makes it suitable for space-constrained applications.