The S21ME5 is a photosensor manufactured by Sharp Microelectronics. It is designed to detect infrared (IR) radiation and convert it into an electrical signal. It is often used in remote control systems, light barriers, and other applications where IR detection is required.

Applications:

• Remote control receivers
• Light barriers and safety curtains
• Object detection sensors
• Optical switches
• Automatic door openers

Features:

• High sensitivity to infrared radiation
• Built-in filtering for ambient light rejection
• Compact package size
• Fast response time
• Low power consumption

Benefits:

• Reliable detection of IR signals even in environments with ambient light
• Easy integration into various electronic circuits
• Small size allows for use in space-constrained applications
• Quick response enables accurate and timely detection
• Energy efficient operation

Specifications:

The S21ME5 typically operates at a wavelength of 940nm, which is a common frequency for IR remote controls. It has a supply voltage range of typically 4.5V to 5.5V. The output signal is usually a digital signal that indicates the presence or absence of IR radiation. The detection range depends on the intensity of the IR source and the ambient light conditions. For specific values, refer to the official datasheet from Sharp Microelectronics.

The S21ME5 photosensor is a reliable and versatile component for IR detection applications, providing accurate and efficient performance in a variety of settings.