20J30KE

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Through Hole Resistors

The 20J30KE application field relates to metal oxide resistors with wirewound formation (through-hole resistors). They are used in power electronics, power supplies, switch-mode power supplies, lighting, medical instrumentation and consumer electronics.

The main application field is the protection of the semiconductor devices against high current peaks, high frequency load changes, to reduce electromagnetic interference and, as the reference point, to adjust the voltage or current source.

A through-hole resistor is ideal for higher voltage and higher power applications as the package can easily provide many kilovolts and kilowatts of isolation, which is necessary when dealing with higher voltages or higher currents.

Working Principle: The working principle of a through-hole resistor is simple; it uses an insulated coil of wire (the resistor) to resist the flow of electrical current.

When current is applied to the resistor, it creates a magnetic field. This magnetic field creates a small amount of opposition to the current. This opposition is known as resistance. The amount of opposition created by the resistor is determined by its resistance value, measured in Ohms.

The higher the resistance value of the resistor, the greater the opposition to the flow of current, and vice versa. The higher the resistance, the less current will flow through the resistor.

Through-hole resistors are also used to control the gain of circuits. By adding or removing resistors, the gain of a circuit can be adjusted. For example, a resistor can be used to reduce the gain of a circuit, helping to reduce or eliminate any unwanted feedback.

Through-hole resistors are very durable, as they are made from high-temperature materials and designed to handle high voltages. They are often the preferred choice of resistor in applications where the high voltageneeds to be isolated or protected. In addition, through-hole resistors are cheaper than other types of resistors.

In summary, 20J30KE application fields relate to through-hole resistors, which are used in many different industries and applications. They are ideal for higher voltage and higher power applications, and are cheaper than other types of resistors. The working principle of a through-hole resistor is that when an electrical current is applied, it creates a magnetic field, which in turn creates a small amount of opposition to the current. This opposition creates resistance, and thus adjusts the gain of the circuit.

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