BPX 89

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Optical sensors are devices used to detect and monitor the presence of light in an environment. They provide reliable and precise readings for various environmental conditions. Phototransistors, also known as light-sensitive transistors, are one type of optical sensors and they are commonly used in industrial and automotive applications. The BPX 89 is a type of phototransistor and it has become increasingly popular in various fields due to its high sensitivity, low power consumption, and reliable accuracy.

The BPX 89 phototransistor is an NPN phototransistor with a built-in filter element that filters out UV light. This makes it an ideal choice for applications where UV light needs to be filtered out to improve reliability and accuracy of measurements. It has a standard dark resistance of 400k and will usually operate in a voltage range of 2-40 V. It has a high sensitivity, with a response time of approximately 10 ms. It also has a fast rise time and decay time of 2.5 μs and 2 μs respectively. This makes the BPX 89 an ideal choice for applications where very fast responses are needed.

The BPX 89 is a highly versatile sensor, and can be used for a wide variety of applications. It can be used to measure light intensity, ambient light levels, or to detect the presence of sunlight. In industrial applications, it can be used to detect the presence of smoke or other hazardous substances. It can be used in automotive applications to detect the presence of vehicles in a certain area. It can also be used in medical applications to monitor the health of a patient.

The working principle of the BPX 89 phototransistor is quite simple. When light hits the sensor, it causes a current to flow through the device. This current is then used to measure the intensity of the light. The information can then be used to control modules or other components. The BPX 89 has two terminals, the collector and emitter. When light reaches the BPX 89 sensor, the current flows from the collector to the emitter, which then passes the signal to the controller.

The BPX 89 has a unique design, which allows it to be used in a wide variety of applications. It is an extremely reliable and accurate sensor, and its high sensitivity makes it an ideal choice for applications that require fast response times. The BPX 89 is an economical and efficient solution for various light sensing tasks. It is a versatile and durable sensor, making it an excellent choice for various industries.

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