BPW85C

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A BPW85C phototransistor is an optical semiconductor device used to detect light and other electromagnetic radiation. It consists of a small photodiode, transistor, and encapsulated in a hermetically sealed plastic case. The device operates when light shines upon the photodiode, which creates an electric current that flows through the transistor. This current creates an electric field around the photodiode, which directly affects the transistor. The BPW85C phototransistor is made from highly efficient, reliable and highly sensitive infrared materials and has a wide operating range from 0 V to 5 V. It also has a very good dynamic response time of about 0.18 ms. It is most commonly used in applications such as automotive, aviation, and industrial automation.The BPW85C phototransistor can be used in various applications, including motion sensors, night vision cameras, optical communication systems, industrial automation systems, automotive sensors, and security systems. It is ideal for applications where high sensitivity is critical, such as in a security system. The BPW85C is also resistant to the effects of sunlight, making it suitable for outdoor applications.In motion sensors, the BPW85C phototransistor detects movement of objects and sends a signal to the control system when it detects a change in its position. This signal can be used to trigger a security system or cause a specific action. In night vision cameras, the BPW85C phototransistor senses infrared radiation, allowing images to be seen even when there is no visible light available. The device is also used in optical communication systems, allowing data to be transmitted by light, and in industrial automation systems, allowing machines to detect low levels of light and respond accordingly. The BPW85C phototransistor is also used in automotive sensors, such as airbag sensors, transmission fluid level sensors, and exhaust gas temperature sensors. In these applications, the BPW85C phototransistor is used to detect a change in its position, allowing the control system to take the appropriate action. The BPW85C phototransistor can also be used in security systems, such as motion detectors, access control systems, and perimeter surveillance systems. The device detects a change in infrared radiation and sends a signal to the control system, allowing the system to take the appropriate security measures. Overall, the BPW85C phototransistor is a highly reliable and efficient device that can be used in a variety of applications. It is highly sensitive, resistant to the effects of sunlight, and has a very fast response time. The device is suitable for use in motion sensors, night vision cameras, optical communication systems, industrial automation systems, automotive sensors, and security systems.

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