OPIA402BTR

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The OPIA402BTR is an Optoisolators - Transistor, Photovoltaic Output device designed for electronic isolation applications. This device provides electrical isolation between its input and output signals with noise immunity, thereby reducing the risk of electrical noise, ground loop errors, and transient voltage spikes affecting the most sensitive applications.

As a photovoltaic isolator, the OPIA402BTR utilizes an LED which emits light when current is applied to its anode and a corresponding phototransistor on the opposite side which then receives the emitted light, turning it into electrical current and voltage. This process of transforming the applied electrical current from the LED to electrical current and voltage on the transistor side is known as opto-coupling. The OPIA402BTR optocoupler offers a 4500 Vac[RMS] minimum isolation voltage for a working distance of 1 mm, along with a guaranteed minimum CTR of 200%, providing a robust and reliable performance even in the harshest conditions.

The OPIA402BTR optoisolator has a wide range of applications and is well suited for use in safety circuits, motor controls, and high power AC switching circuits. It is also frequently used in medical power supplies, smoke detectors, and other industrial control equipment due to its high noise immunity and low power consumption. Additionally, the OPIA402BTR optoisolator can be used in AC mains voltages up to 260 Vrms, a feature which helps to reduce the risk of electrical shock.

The working principle of the OPIA402BTR optoisolator is based on the effect known as photovoltaic. When electricity is applied to the LED in the optoisolator, it emits light which re-emits on the other side of the device, where a phototransistor is located. The phototransistor converts the light energy into electrical energy which can then be used to drive an output device. This way, the device can achieve electrical isolation between the input and output signals, thus preventing any electrical interference from affecting the most sensitive applications.

In addition, the OPIA402BTR is also well-suited for use in applications requiring constant current or voltage control, as it can be used to provide precise and stable electrical signals. This is because the optoisolator can maintain consistent electrical output even when the input signal changes. It enables the device to remain stable in harsh environments with changing input signals, without compromising the accuracy of the output.

Overall, the OPIA402BTR optoisolator is a reliable and efficient device for a wide range of electronic isolation applications. Its features such as high noise immunity, low power consumption, and stability make it a popular choice for use in medical power supplies, smoke detectors, industrial control equipment, motor controls, and high power AC switching circuits.

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