The Osram Opto SFH 4052 is an infrared emitter designed for use in a variety of applications. It is a high-power, 850nm infrared emitter that is capable of producing up to 200mW of power. The SFH 4052 is designed to be used in a wide range of applications, including medical, industrial, and consumer electronics. It is also suitable for use in automotive, security, and surveillance systems. The SFH 4052 is a reliable and efficient emitter that is designed to provide long-term performance. It is also designed to be easy to install and use. The SFH 4052 is a great choice for those looking for a reliable and powerful infrared emitter.