H11A817BW

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Optoisolators, also known as optocouplers or photocouplers, are solid-state devices used to electrically isolate two or more circuits. An optoisolator typically consists of a light-emitting device, such as an LED or laser diode, and a photosensitive device, such as a phototransistor or photodiode. Light passes through an optically transparent window in the device to activate the photosensitive device, but the two circuits remain electrically isolated.

H11A817BW is an optoisolator that uses a transistor, photovoltaic output. It is a 2-channel device in a small 4-pin package. It features ISOBlock ® technology, which ensures that two independent, isolated circuits are connected only by light. This helps to protect sensitive circuits from electrical noise and destructive transients. It also helps to ensure accurate, signal level information transfer.

H11A817BW is suitable for applications such as signal level conversion, motor control, and protection circuits. It has a low input current of 0.5mA, making it suitable for battery-powered applications, and an LED drive current of 10mA, which results in a high LED discharge ratio for improved efficiency. The optoisolator has a VCC operating voltage range of 4.5V–30V, a VCC-OFF voltage range of 4V–25V, and a response time of 3.0µs.

The transistor output characteristic of H11A817BW allows for improved on-off switching and signal conversion compared to traditional phototransistor-based optoisolators. It also helps to provide fast response times and improved isolation levels. The device has a CTR rating of 100–400%, with a minimum result of 250% (@I_F = 5mA).

H11A817BW is an excellent choice for engineering projects and applications where accurate, reliable, and fast information transfer is essential. It\'s small size and wide supply voltage range make it suitable for portable devices as well as larger systems. Its excellent CTR rating helps to ensure optimal efficiency and low power consumption.

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