PWR4412-2SBR1000J

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Through Hole Resistors

The PWR4412-2SBR1000J is a through hole resistor, which is used in many electronic circuits for varying purposes. Through hole resistors, as the name implies, are through-hole components that are soldered directly onto the printed circuit board (PCB) or attached to specialized socket connectors. This type of resistor is constructed with two metal or ceramic leads sealed inside a insulating material to provide resistance for both current and voltage, thereby controlling electrical circuits in the PCB.

Application Field

The PWR4412-2SBR1000J through-hole resistor is a one-and-a-half watt, two-terminal resistive component that can be used in a wide range of applications, such as low-frequency audio circuits, power supplies, and line amplifiers. Its heat-dissipating characteristics make it a useful component when designing circuits that require a high level of working current. Additionally, its narrow body design allows it to fit into restricted spaces and work with limited airflow.

Working Principle

The principle of operation of the PWR4412-2SBR1000J is quite simple. The two metal or ceramic leads are submerged into a thick insulating material, which in turn restricts the flow of current. By applying a potential across the two terminals, the resistor will absorb a certain amount of the current, creating a voltage drop. This voltage drop is equal to the applied voltage multiplied by the resistance value of the resistor. In other words, the total current flowing through the resistor is inversely proportional to the resistor\'s resistance value.

In addition to its voltage drop characteristics, the resistor also serves as a protection device against excessive current flow in the electrical circuit. When the amount of current through the resistor exceeds a certain limit, known as the power rating of the resistor, the resistor begins to dissipate heat. This heat, when high enough, will cause a protective fusing action within the resistor, severing the electrical connection between the two terminals and effectively "blowing out" the resistor.

Conclusion

The PWR4412-2SBR1000J is a versatile through hole resistor that can be used for a variety of applications. It is designed to provide resistance for both current and voltage, while also providing protection to the electrical circuit by dissipating heat when the current flow is too high. The resistor is a valuable component in electronic engineering, allowing for greater control and accuracy in the design of circuits.

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