H4P4R7FZA

Series:	Holco, Holsworthy
Packaging:	Bulk
Part Status:	Active
Resistance:	4.7 Ohms
Tolerance:	±1%
Power (Watts):	1W
Composition:	Metal Film
Features:	Pulse Withstanding
Temperature Coefficient:	±100ppm/°C
Operating Temperature:	-55°C ~ 155°C
Package / Case:	Axial
Supplier Device Package:	Axial
Size / Dimension:	0.146" Dia x 0.394" L (3.70mm x 10.00mm)
Height - Seated (Max):	--
Number of Terminations:	2
Failure Rate:	--

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Through Hole Resistors

H4P4R7FZA Application Field and Working Principle

A through hole resistor, also known as a leaded resistor, is an electrical component that is used for limiting the flow of electrical current in an electronic circuit. The resistor consists of a ceramic body, two metal leads, and a resistive visible coating on top. The design of the resistor is such that its resistance to current flow varies depending on the amount of current flowing through it. A through hole resistor is designed to be placed into a circuit board through holes that have been drilled into it. The resistor then gets soldered onto the board, thus forming a physical and electrical connection.The H4P4R7FZA is a popular type of through hole resistor, typically found in electronics circuits. This resistor is rated at 0.5 Watts, and has an operating temperature range of -55 to +125 degrees Celsius, as well as a maximum temperature range of +175 degrees Celsius. The H4P4R7FZA has a wide variety of applications, and is often used in audio circuits, as well as voltage regulation and noise suppression circuits. The resistor can also be used as a signal conditioner to ensure proper operation of a circuit.The working principle of the H4P4R7FZA is based on the fact that electrical current flow encounters resistance from the resistive coating of the resistor. The resistance of the resistor can be changed by adjusting the amount or type of materials used in the resistor. By adjusting the resistance of the resistor, the current flow through the circuit can be controlled.When the H4P4R7FZA is placed in a circuit, it acts as a current limiter, which helps in preventing overvoltage protection for circuits. Furthermore, the resistor can also be used for voltage division, meaning it can be used to split a single voltage into multiple voltages of smaller sizes. An example application where the H4P4R7FZA can be used is in audio circuits, as this resistor can divide the signal strength of an audio signal.Another common application of the H4P4R7FZA is noise suppression. The resistor is able to suppress any unwanted electrical noise that may be present in a circuit. This helps prevent circuit interference from non-electrical sources, such as radio signals or power lines.The H4P4R7FZA is also used in power supply designs, as it can limit the amount of current being drawn by a circuit from the power supply. This helps prevent power supply overload and also ensures that the power supply is operated safely.Overall, the H4P4R7FZA is an important and versatile through hole resistor that is used widely in a variety of applications. Its ability to limit current flow, as well as its ability to split and condition a signal, makes it a valuable component for many circuits. Its ability to suppress noise is especially helpful for ensuring proper operation, and its ability to protect a circuit from overload is essential for providing reliable operation of circuits in potentially dangerous environments.

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