21J2K2E

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Through Hole Resistors

Through Hole Resistor, also known as leaded resistors, is a type of electronic passive component used in electronics and electrical engineering devices, automobiles and consumer products. It uses a leaded type construction to provide resistors with higher heat dissipation capacity and stability. In addition, leaded resistors are available in several limited space sizes and are often provided with energy dissipation ratings.

21J2K2E Application Field and Working Principles

The 21J2K2E resistor is a relatively large-sized through-hole resistor used for through-hole mounting in various industrial, commercial and residential applications. It is frequently found in electrical equipment requiring high power and high precision dissipation, particularly in high-end amplifiers and energy control systems. It is also used in military, aerospace, defense and telecommunications applications.

The 21J2K2E resistor has a number of key features and advantages that make it ideal for use in these demanding applications. It is comprised of extremely robust non-inductive construction and has maximum power capability of up to 2 watts. Its structure is devised to have excellent thermal stability, and its symmetrical design and low-tolerance resistivity makes it ideal for high-precision applications. It also boasts superior strain relief for soldered terminal connections and an elongated through-hole design that ensures effective heat dissipation.

In terms of its working principles, the 21J2K2E resistor reduces the flow of current through an electrical current by creating a voltage drop across its terminals. This voltage drop is called its resistance. The value of this resistance is determined by the material and dimensions of the resistor, the temperature of the wire, and the number of windings that thread around the core. In electronics circuits, the resistor is required to perform various functions, including limiting the current, dividing the voltage, and producing voltage in certain ratios.

Finally, to achieve a higher degree of power dissipation and stability, the 21J2K2E resistor is provided with leaded terminals mounted through a metal backing plate. This backing plate dissipates the heat generated by the resistor, thus extending the resistor\'s life and providing the necessary support for the resistance wire.

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