CFR-25JR-PN20K

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In the consumer electronics industry, Through Hole Resistors, such as the CFR-25JR-PN20K, are used to reduce electrical load and limit power consumption in electronic devices. Through Hole Resistors are a form of resistive component that is placed in the path of electrical current to reduce or control its voltage or current level. The CFR-25JR-PN20K is a through-hole, carbon film resistor with a resistance value of 20,000 ohms, and is rated for up to 2 watts.

A through-hole resistor is mounted on a printed circuit board (PCB) through a hole drilled in the board. This type of component is usually considerably larger than other resistor types, such as surface-mount resistors (SMRs). The presence of the hole in the board allows for a lead wire to be easily inserted into it when soldering, thereby ensuring a secure connection. The holes also allow the component to be removed without damaging the board if necessary. The CFR-25JR-PN20K features a robust ceramic casing for heat dissipation.

The function of a through-hole resistor is dependent on its electrical properties. Resistance is a fundamental property of a resistor and defines the ratio of current to voltage across its terminals. Resistance is measured in ohms. The resistance of the CFR-25JR-PN20K is 20,000 ohms. This means that by placing the resistor in the path of a current, the voltage drop across the terminals of the resistor will be 20,000 times the current.

The power rating of a resistor is a measure of the maximum amount of power that the resistor can handle without burning out or failing. The CFR-25JR-PN20K has a power rating of 2 watts. This means that it can dissipate up to 2 watts of electrical power without overheating or failing. When selecting a resistor for a particular application, it is important to make sure that the power rating of the resistor is sufficient for the application in order to ensure reliable performance.

The CFR-25JR-PN20K is an ideal choice for applications requiring precise current and voltage regulation over a wide temperature range, such as power supplies, LED lighting, and regulators. It is also suitable for applications in which vibration and shock resistance are important, such as automotive and avionic systems. Furthermore, its robust ceramic casing ensures resistance to extreme temperatures, making it an excellent choice for outdoor applications.

In summary, the important features and applications of the CFR-25JR-PN20K through-hole resistor include: a resistance value of 20,000 ohms; 2 watts power rating; precise current and voltage regulation over a wide temperature range; shock and vibration resistance; and resistance to extreme temperatures. This makes it an ideal choice for a wide range of applications, including power supplies, lighting systems, regulators, and automotive systems.

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