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Diodes - Rectifiers - Single

The 1N1189AR is a rectifier diode, commonly used in various electrical and electronic circuits. It’s a single component component with an anode and a cathode. It’s designed for applications in both AC and DC circuits, and it’s able to create a low voltage drop across it when conducting. It’s an ideal component for use in circuits for rectification, voltage regulation, and switching.

Working Principle

The 1N1189AR, a rectifier diode, works by controlling the current direction. It will allow current to flow in one direction, while blocking the current in the reverse direction. When current is applied with the right polarity, it won’t create any substantial voltage drop across the component. When current is applied with the wrong polarity, voltage will be dropped across the component. This rectified current is then usable for the circuit.

Current Rating

The 1N1189AR rectifier diode has a rated current of 1A, along with a forward voltage of 1.12V. As with all diodes, it needs to be used within the specified ratings to ensure that it doesn’t exceed the maximum current and voltage. Exceeding the ratings can cause the diode to suffer damage. The breakdown voltage is approximately 65V.

Applications

The 1N1189AR rectifier diode is suitable for a variety of applications, including motor control, electrical power conversion, and automotive systems. One of its key features is that is can suppress electrical noise. It can be used as a freewheeling diode, which helps to protect sensitive components from transient voltages, reduce parasitic inductance, and control the speed of the motor.

The 1N1189AR rectifier diode can also be used in DC-DC converters, where it helps to keep the output voltage relatively stable. It can also be used in telephone circuits, radio receivers, and various AC/DC applications. The diode’s low voltage drop and its ability to suppress noise make it an ideal choice for many applications.

Conclusion

The 1N1189AR is a rectifier diode, capable of controlling the direction of current in an electrical circuit. It has a current rating of 1A, with a low voltage drop across it. It can be used in a range of AC/DC circuits, such as motor control, automotive systems, DC-DC converters, telephone systems, and radio receivers. Overall, it\'s an ideal choice for many applications thanks to its low voltage drop and its ability to suppress noise.

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