H11A1M

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Optoisolators - Transistor, Photovoltaic Output, are devices used to provide electrically isolated protection for control circuits. The primary elements of an optoisolator are a light source – usually an LED and a photodetector – usually a photodiode array, phototransistor, or photovoltaic cell. The H11A1M is a specific component that belongs to this category and combines these two elements into one package.The H11A1M has a number of potential uses, particularly in motor speed control circuits where it is used to sense when a motor has reached the desired speed. The device is also useful in automation systems and can be used in push button switches for safety-critical systems. Furthermore, the H11A1M is used in water level sensors to control the level in tanks.The H11A1M works because of the differences in electrical properties between the photodiode and phototransistor. As light passes through the photodiode, photons strike the semiconductor and knock out electrons. This electrons, being negative, cause the voltage across the photodiode to decrease, which is then detected by the phototransistor. The phototransistor will then switch to its low-current state, providing the output signal.The H11A1M also offers a number of advantages compared to other optoisolator components. Its small size allows for easy installation and maintenance while its low cost provides cost savings. The device is designed to be highly reliable and has a long life span, making it suitable for long-term use. Furthermore, the H11A1M is designed to be immune to EMI and RFI, making it suitable for use in industrial or harsh environments.In addition, the H11A1M is designed to meet all relevant safety requirements and is UL, CSA, and VDE approved. Additionally, the device is available in a variety of packages, making it suitable for a range of applications.Overall, the H11A1M is a versatile and reliable optoisolator that is suitable for a wide range of applications. Its simple design, low cost and small size make it a popular choice for motor speed control and automation systems where electrically isolated protection is required. Its EMI and RFI immunity make it suitable for use in industrial environments and it can also be used in a variety of applications such as water level sensors and push button switches.

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