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Through Hole Resistors: SQM700JB-130K Application Field and Working Principle

Through hole resistors are commonly used in electrical circuits to limit the flow of current. Through hole resistors, or THRs, are mounted directly onto the circuit board, as opposed to surface mount resistors (SMRs) which are mounted onto the surface of the PC board. The SQM700JB-130K is a through hole resistor from Stackpole Electronics, Inc., designed to provide reliable, cost-effective electrical components for industrial, consumer, and commercial applications.

Applications

The SQM700JB-130K is a general-purpose resistor with a wide variety of applications. It is used in automotive electronics, such as stabilizing the voltage flow in car radios and audio amplifiers, as well as in industrial equipment, such as controlling electrical motor speeds and providing overcurrent protection. As a fixed resistor, the SQM700JB-130K is used in audio amplifiers, analog circuits, and DC/DC converters.

Features and Specifications

• Available with tolerance values of ±5%, ±10%, and ±20%
• Operating temperature range of -55°C to +150°C
• Rated power of 0.5 Watts
• Standard Packages of 100 – 260 and 500 units

Working Principle

The SQM700JB-130K is a fixed-value resistor, meaning it has a set resistance value. Its resistance value is determined by the material it is made from and the size of its component parts. The SQM700JB-130K is made from a carbon composition material, meaning it is composed of carbon, graphite, and other materials. The resistance value of the resistor is determined by the amount of material used—the more material, the higher the resistance value.

When current flows through the SQM700JB-130K, it creates a voltage drop. This means that when current flows through the resistor, some of the energy is lost. The amount of energy lost is determined by the resistor\'s resistance value. The SQM700JB-130K can be used to control the amount of current flowing through a circuit, as well as to create a constant voltage across a circuit.

The SQM700JB-130K is a through-hole resistor, meaning it is designed to be mounted directly onto the circuit board. The SQM700JB-130K is designed with an eyelet on each end to ensure a secure connection to the circuit board. The SQM700JB-130K is also designed with a heat sink to help dissipate the heat generated during operation.

Conclusion

The SQM700JB-130K is a cost-effective through-hole resistor from Stackpole Electronics, Inc. It is designed for general-purpose applications in automotive and industrial equipment, as well as audio amplifiers, analog circuits, and DC/DC converters. The SQM700JB-130K is designed with an eyelet on each end and a heat sink to ensure a secure connection and prevent overheating.

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