SQZ20AJB-4K7

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Through Hole Resistors (THRs) are a type of resistor commonly used in electrical circuits. They are also known as “axial-leaded” resistors. These resistors are typically cylindrical in shape with two leads, which extend in opposite directions and can easily be inserted into a hole in a circuit board. They are often used to limit the flow of current, to provide power, and to provide voltage division.

The SQZ20AJB-4K7 is a through hole resistor and is used in a variety of applications. It is a multi-turn cermet adjustable resistor that can be adjusted using the built-in screw mechanism. This resistor has a resistance range of 0.2 – 20K ohms and can be used in a variety of applications including motors, automotive, consumer electronics, and power line communication.

The working principle of the SQZ20AJB-4K7 is based on the physical properties of cermet, which is an alloy made up of ceramic and metals. In this resistor, the ceramic part acts as an insulator while the metal acts as a conductive material. When a current is applied to the resistor, it causes the metal to heat up, resulting in the resistance of the resistor changing. This resistance is adjustable by rotating the screw mechanism, which can be used to fine-tune the resistance of the resistor.

The SQZ20AJB-4K7 can be used in a variety of applications including motor control, current control, linear voltage regulator, and power supplies. In motor control, the adjustable resistance can be used to limit the current that flows through the motor. This can be used to regulate the speed of the motor, or to protect the motor from excessive current. In current control, the adjustable resistance can be used to regulate the current that flows through a variety of circuits. This can be used to provide precise current control, or to protect sensitive components from excessive current. The SQZ20AJB-4K7 is also commonly used in linear voltage regulators, where it can be used to regulate the input voltage to provide stable voltage output. In power supplies, the adjustable resistance can be used to limit the current that flows to the load, or to regulate the output voltage of the power supply.

The SQZ20AJB-4K7 is a versatile and reliable resistor that can be used in a variety of applications. Its adjustable resistance allows for precise control of current and voltage, and its adjustable screw mechanism makes it easy to fine-tune the resistance for optimal performance. It is an ideal choice for applications requiring precise current or voltage regulation.

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