H4P43RFZA

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A through hole resistor is an electrical component used in circuit board construction. This type of resistor is typically a fixed passive component, meaning that its resistance is not adjustable and it can only be added and removed from the circuit. The "hole" in the resistor refers to the hole that must be drilled into the circuit board for the component to be mounted into the hole.

H4P43RFZA is a brand of through hole resistor that is manufactured by Texas Instruments. It is a high precision, low-noise surface mount resistor that can be used for a variety of applications. Because of its low-noise characteristics, it is often used in sensitive analog circuits.

H4P43RFZA resistors are available in various resistance values from 10K ohm to 1M ohm. The footprint size is 3.2mm x 9.6mm and the body is made from epoxy glass. They have improved thermal characteristics compared to other resistors and are designed to have a high accuracy and excellent stability over time.

The resistors are often used in electronic applications such as communications, audio, and automotive. They are ideal for applications requiring reliable and repeatable performance characteristics. Some applications include programmable logic controllers, mains power supplies, switching power supplies, battery management, and video systems.

The working principle of H4P43RFZA resistors is the same as any other resistor. The resistor works by limiting the amount of current that can flow through the component. The resistance value of the component is determined by the amount of preset resistance and is measured in ohms. This resistance is then converted to the voltage and current that is passed through the component.

The components are designed to maintain their resistance over varying environmental conditions such as humidity, temperature, vibration and shock. The thermal characteristics of the component are designed to handle higher currents and temperatures while still maintaining their preset resistance values over time.

In order to ensure the resistor is mounted securely, a drill template is provided with the component. This template is used to ensure that the hole drilled into the circuit board for the component is the correct size and depth. The resistor is then inserted into the hole and a secure mounting is achieved.

H4P43RFZA resistors are a reliable and cost efficient way to add resistance into electronic circuits. With the large range of resistance values available, they can be used in almost any application requiring an accurate and repeatable performance.

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