OF221JE

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Through Hole Resistors are components used to reduce the current flow in an electrical circuit. They are composed of a metal element, such as copper or silver, which is enclosed in an insulating material such as ceramic or plastic. The resistance of the resistor depends on how wide or narrow the metal element is and how thick or thin the insulating material is. Depending on the type of resistor, the resistance can range from a fraction of an ohm to hundreds of ohms.

In applications, through hole resistors are often used to reduce voltage drop, limit circuit current, or divide input voltages. For example, they can be used in circuits for power supply regulation, motor speed control, LED current control, decoupling, and radio frequency (RF) impedance matching.

The OF221JE is a through hole resistor used in various applications. It is a carbon film resistor that has been leaded, meaning it has two through-hole leads that are differentiated by color: one is colored black and the other is colored green. This allows for convenient identification and mounting.

The OF221JE is a high-precision resistor and is therefore suitable for applications where a very small deviation from the nominal value of the resistance is required. It is made of ceramic and plastic and has an overall resistance range of 0.1 ohm to 1M ohm.

The working principle of a typical through hole resistor is relatively simple. When a voltage is applied across its two terminals, a current will flow through the resistor. The current is inversely proportional to the resistance. As a result, the voltage drop across the resistor is also proportional to the current, which causes the resistance to limit the amount of current flowing in the circuit. This is the fundamental principle which allows for through hole resistors to be used in many practical applications.

In summary, OF221JE is a through hole resistor used in various applications, including power supply regulation, motor speed control, LED current control, decoupling, and RF impedance matching. Its nominal resistance range is from 0.1 ohm to 1M ohm. When a voltage is applied across its two terminals, current will flow through and the resistance will limit the amount of current, according to Ohm\'s law.

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