The SUT290 is a silicon phototransistor manufactured by KODENSHI KOREA CORP. It's designed to detect infrared (IR) radiation and convert it into an electrical signal. This makes it suitable for various applications requiring IR detection.

Applications:

• Remote control systems: Used as the IR receiver in remote controls for TVs, DVD players, and other electronic devices.
• Light curtains: Employed in safety light curtains for industrial machinery to detect obstructions.
• Optical sensors: Used in various optical sensing applications, such as object detection and proximity sensing.
• Encoders: Employed in rotary and linear encoders to detect position and movement.
• Automatic door openers: Detects movement to trigger the opening of automatic doors.

Features:

• High sensitivity: Offers high sensitivity to infrared radiation.
• Fast response time: Provides a fast response to changes in IR radiation.
• Compact package: Available in a small package for space-constrained applications.
• Narrow angle of half sensitivity: Offers a narrow viewing angle, reducing interference from ambient light.
• Visible light cut filter: Incorporates a filter to block visible light, improving performance in environments with ambient light.

Benefits:

• Reliable IR detection: Provides reliable and accurate detection of infrared radiation.
• Improved performance in ambient light: Visible light cut filter minimizes interference from ambient light sources.
• Space-saving design: Small package allows for use in compact devices.
• Versatile application: Suitable for a wide range of IR detection applications.
• Easy integration: Can be easily integrated into various electronic circuits.

Additional Details:

The SUT290 typically has a peak sensitivity wavelength around 940nm, which is a common wavelength for IR remote control applications. The collector-emitter voltage rating is typically around 30V. The operating temperature range is typically -25°C to +85°C. It is commonly packaged in a leaded plastic package. The half sensitivity angle is a key parameter that determines the field of view of the sensor.