ISQ74X

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Optoisolators - Transistor, Photovoltaic Output, are widely used for signal transmission and power isolation in various applications such as industrial automation, motor control, communication and medical equipment. The ISQ74X devices provide high voltage isolation and superior noise immunity to protect critical signals from noise and interference. The ISQ74X is a typical optoisolator which consists of an infrared LED optically coupled to an output transistor.

The ISQ74X has an opto-coupler transistor output, providing high voltage isolation and superior noise immunity. The device has a V(acc) voltage rating of 2.5kVrms, providing a reliable electrical isolation between input and output. It also has a common-mode transient immunity rating of 1.5kV peak. The ISQ74X is designed to operate over a wide operating temperature range of −40℃ to +110℃, and it has a parameter temperature coefficient of ±1%.

In addition to providing high electrical isolation, the Photovoltaic Output of the ISQ74X offers a ringing waveform output, making it suitable for applications such as motor control, communications and medical equipment, where a linear output is required. The device also provides a built-in blocking diode, which protects the device from over-voltage conditions. The maximum operating voltage of the blocking diode is 17.5V.

The ISQ74X operates on a Constant Current supply, which provides an optimum power supply for the device. The Constant Current supply ensures that the IR LED is driven at the optimal current to ensure maximum performance. Additionally, the ISQ74X has an internal soft start feature, which reduces the startup power, helping to minimize cold start problems. It also has circuit protection features such as short circuit and thermal protection.

The ISQ74X has a low drive current requirement of only 6mA, which makes it suitable for battery powered applications. This device also provides excellent noise immunity from electrical interference. It is also RoHS compliant and UL recognized, making it an ideal choice for applications where safety and reliability are of utmost importance.

The ISQ74X can be used for a wide range of applications such as motor control, communications, medical equipment, industrial automation and lighting control. The device also provides high voltage isolation, superior noise immunity and can withstand high temperature environments. The ISQ74X is a versatile optoisolator, and is a great choice for applications that need reliable, robust and cost-effective isolation.

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