ON Semiconductor QSE773E3R0: A High-Performance Silicon Phototransistor

The ON Semiconductor QSE773E3R0 is a versatile and high-quality silicon NPN phototransistor designed to meet the demanding requirements of a wide range of applications. Encased in a miniature side-looking, black plastic package, this phototransistor offers exceptional sensitivity to visible and near-infrared light, making it an ideal choice for optical sensing and detection tasks.

With its compact form factor, the QSE773E3R0 is perfect for applications where space is at a premium, yet high performance is essential. Its side-looking package allows for easy integration into various electronic assemblies, including those where direct light incidence is not possible.

Key Features

• High Responsivity: The QSE773E3R0 phototransistor has a peak wavelength of responsivity at 880 nm, ensuring high sensitivity to infrared light.
• Wide Spectral Range: It is responsive over a broad range of the light spectrum, which includes both visible and near-infrared regions.
• Daylight Blocking Filter: The device includes an integral daylight blocking filter, which significantly reduces the phototransistor's sensitivity to natural daylight, enhancing performance in artificial light control systems.
• Fast Response Time: The phototransistor's fast response time makes it suitable for high-speed applications, providing quick and accurate detection.
• Miniature Package: Its small, side-looking package is ideal for space-constrained applications and allows for versatile mounting options.

Applications

The QSE773E3R0 is used in a variety of applications, including:

• Optoelectronic scanning and detection systems
• Automatic door sensors
• Industrial automation and safety systems
• Optical switches
• Optical encoders
• Light barriers and object detection

ON Semiconductor's QSE773E3R0 is a reliable and efficient solution for designers looking to incorporate light sensing capabilities into their systems. Its robust design and high sensitivity to light make it a go-to component for developers requiring precise and dependable phototransistors.