SQM700JB-120R

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Through Hole Resistors are primarily used in electrical engineering and are known for their moderate power rating and long-term stability. The SQM700JB-120R is a Through Hole Resistor designed for enhanced power efficiency and heat dissipation. Its 120 Ohm value makes it a suitable choice for a variety of applications, including industrial circuitry, consumer electronics, power electronics, and instruments.

The SQM700JB-120R Through Hole Resistor is composed of two resistive elements, each housed in a separate elongated cylinder. The first element is a standard resistor, while the second element consists of an extended portion of the first element encased in a cylindrical insulator. The cylindrical portions of the two resistive elements are joined by a metal clip. The resistor is then soldered onto the device circuit board, and a portion of the resistor is exposed to the air through holes in the PCB. This extended portion improves heat dissipation, enabling a higher power capacity within the same size of resistor.

The SQM700JB-120R has two distinct advantages when compared to smaller resistors. First, it has a lower resistance value, providing greater power dissipation and greater current capacity. Second, the larger size enables better heat dissipation, increasing the voltage rating of the resistor. This allows higher power ratings and longer operating life.

The SQM700JB-120R is typically used in power electronics, consumer electronics, and instruments. Power electronics applications include boosts, converters, and inverters, while consumer electronics use include cellular phones, personal digital assistants, and digital cameras. The resistor is also used in instruments such as oscilloscopes, meters, and recorders. One of the main advantages of the SQM700JB-120R is its high accuracy and stability, allowing it to perform consistently and accurately over wide operating conditions.

The working principle for the SQM700JB-120R Through Hole Resistor is as follows. When a voltage is applied across the resistor, the current flowing through it will be proportional to the applied voltage. This current is known as the current “passing through” the resistor, and is typically measured in amps. The current then passes through the resistive element, and its resistance restricts the current flow. This results in a proportional voltage drop across the resistor.

The SQM700JB-120R Through Hole Resistor is a versatile component that can provide increased power efficiency and heat dissipation compared to standard resistors. Its low resistance value and robust construction make it an ideal choice for various industrial, consumer electronics, power electronics, and instrumentation applications.

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