122NQ030R-1

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The 122NQ030R-1 rectifier diode is a single-phase compact device used to convert AC voltage to DC. It is mainly used in AC-DC power supplies and inductive loads, such as air conditioners, refrigerators, motors and light bulb circuits. It can also be used for protection against over-voltage or over-current protection.

Application Field

As a medium power rectifier diode, the 122NQ030R-1 has a wide application field. It is mainly used in AC-DC power supplies and inductive loads, such as air conditioners, refrigerators, motors and light bulb circuits. It is suitable for circuit with AC input voltage up to 600V, and DC output voltage up to 1000V. It can also be used for protection against over-voltage or over-current protection.

Working Principle

The 122NQ030R-1 is a single-phase diode with anode and cathode. When the anode is connected to the positive terminal of the power supply, the diode is said to be “forward biased”. In this condition, electrons are attracted towards the anode, flowing through the diode and into the negative terminal of the power supply. In the reverse direction, when the anode is connected to the negative terminal of the power supply, the diode is“reverse biased”. In this condition, the flow of electrons is restricted due to the built-in field in the diode, blocking the flow of electrons from the cathode to the anode.

The 122NQ030R-1 consists of a tube filled with liquid silicon and graphite. The graphite acts as a resistor and dissipates the heat generated during the diode operation, thereby improving the diode’s efficiency. The liquid silicon is highly conductive and helps to ensure a high surge current capability.

The 122NQ030R-1 rectifier diode also has a higher thermal dissipation rate than conventional diodes, allowing it to handle higher power inputs. Its wide range of voltage and current ratings make it suitable for a variety of power conversion applications.

The 122NQ030R-1 rectifier diode is a reliable, cost-effective device used to convert AC voltage to DC. Its wide application field and versatile features makes it an ideal choice for use in AC-DC power supplies and inductive loads.

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