90J120

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Through Hole Resistors

A through-hole resistor is a type of resistor component that is commonly used in electronics. It is typically a cylindrical component with a hole in the center. The hole allows for easy mounting into a circuit board or other piece of equipment. The through-hole resistor is also referred to as a through-hole package. The through-hole resistor is one of the oldest types of resistors and is still widely used today.

The construction of a through-hole resistor consists of a cylindrical body, generally made of bakelite or ceramic. Depending on the power ratings, different types of materials are used in the construction. These materials provide high thermal and electrical properties, such as power dissipation, resistance, and insulation values. Additionally, the resistance element is typically made of conductive material such as copper or nickel, which is then coated with a oxide layer in order to improve its electrical properties.

The main purpose of a through-hole resistor is to resist or limit the current flow in a circuit. The resistance value of a resistor is typically indicated by a banded color code system, where each of the four bands on a resistor corresponds to a number which can then be used to determine the resistor value.

The 90J120 application field and working principle of resistors is relatively basic and straight forward. The resistor is normally connected in series within the circuit, meaning that the current that flows through the resistor is the same as the current that flows into and out of it. The resistance value of a resistor is normally indicated by its resistance value in Ohms, which is normally stated as an “R” value or a numerical value such as 1K ohm (1000 ohm). This resistance value defines how much current is allowed to flow through the resistor.

The resistance value of a resistor can be altered by changing its physical size or by changing the thickness of the oxide layer. This can be done by changing the manufacturing process in order to achieve the desired resistance value of the resistor. The resistance value of a through-hole resistor can range from a few ohms to several hundred ohms, depending on the application.

The 90J120 application field and working principle of a through-hole resistor is fairly simple and straightforward once understood. The resistors are used in a variety of applications such as controlling circuit board power consumption, filtering signals, providing temperature compensation, and in many other applications. It is the most common type of resistor used in circuit designs today due to its ease of assembly and low cost.

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