SQM300JB-9R1

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Through Hole Resistors are some of the most common electronic components used in industrial electronics. The SQM300JB-9R1 is a radial leaded wirewound power resistor ideal for use in applications such as motor controls, power supplies, transformers, and other applications where superior stability and power dissipation are needed. The SQM300JB-9R1 features a resistance range of 0.1 ohm to 8.2 ohms and a wide variety of tolerance values that can be chosen to suit application needs.

The SQM300JB-9R1 is designed to operate in high temperature environments with ratings up to 125°C. It is a rugged construction and is able to withstand exposure to high voltages and currents, making it suitable for a variety of applications. It is also resistant to shock and vibration, further increasing its usefulness for industrial applications.

Application Field

SQM300JB-9R1 through hole resistors can be used in various applications such as motor controls, power supplies, transformers, and other applications where superior stability and power dissipation are needed. It has a wide variety of tolerance values that can be chosen to suit application needs. The SQM300JB-9R1 is well suited for use in LED driving applications, linear voltage regulation, motor control, audio amplifiers, and limiters. It is well designed for use with switching appliances, such as high speed motor drives, power supplies, and more.

The SQM300JB-9R1 is suitable for assembly on printed circuit boards and hybrid products, as well as for special purpose applications. It is also suitable for use in many applications, such as domestic and automotive applications. The SQM300JB-9R1 is well-adapted for use in motor drives, inverters, control systems, power supplies, and other applications requiring exact control of power dissipation.

Working Principle

The SQM300JB-9R1 is made up of a continuous helical resistive wire, wound on an insulated ceramic core. The resistive wire is a special alloy that is specially formulated for high-temperature applications and has excellent chemical resistance. The core is supported by an electrically isolated cylindrical metal flange that prevents contact between the resistor and surrounding components. This flange serves as an end shield and allows heat to dissipate from the resistor.

The resistive wire is connected to two electrical terminals on one end and this allows a current to flow through the resistor. As current passes through the resistor, a small amount of energy is dissipated as heat according to the resistance value of the resistor. This is why through-hole resistors are often referred to as "power resistors". The thermal energy is then dissipated through the flange and the environment around the resistor.

The resistance value of the SQM300JB-9R1 is determined by the amount of resistive wire used to construct the resistor and the type of resistive material. This type of resistor is designed to withstand high temperatures and high power, making it suitable for use in a variety of industrial applications. The resistive wire is also corrosion resistant and is designed to withstand a wide range of environmental conditions, making it ideal for use in industrial and automotive applications.

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