H8237KDZA

Series:	Holco, Holsworthy
Packaging:	Bulk
Part Status:	Active
Resistance:	237 kOhms
Tolerance:	±0.5%
Power (Watts):	0.25W, 1/4W
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:	0.098" Dia x 0.283" L (2.50mm x 7.20mm)
Height - Seated (Max):	--
Number of Terminations:	2
Failure Rate:	--

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H8237KDZA: Through Hole Resistors

Introduction

The H8237KDZA is a through hole resistor designed for use in a variety of applications. This type of resistor is designed to provide a reliable, uniform resistance within a specified range, which makes them versatile enough to be used in a range of circuits and in many different types of electronic and electrical equipment. This article will discuss the application fields and working principles of the H8237KDZA through hole resistor.

Application Field

As a through hole resistor, the H8237KDZA offers a variety of applications. It can be used in any circuit where a constant level of electrical resistance is desired, such as amplifiers, timing circuits, audio amplifiers, and power supply designs. It is ideal for automotive applications due to its resistivity range and high temperature ratings. It is also used in AC/DC converters, high voltage power supplies, and signal processing circuits.

Working Principle

The H8237KDZA is designed to function by providing a uniform electrical resistance within a specified range. This resistor is a metal oxide thin-film resistor, which means that a thin layer of metal oxide is deposited on a ceramic substrate. The layer of metal oxide functions as the resistor element, and the substrate provides the necessary heat dissipation.Electrical current passes through the resistor element of the H8237KDZA, which causes Joule heating. This in turn, causes the metal oxide to expand, causing the resistance value to increase. This increase in resistance is dependent on the resistor element and substrate material, as well as the current strength being passed through the resistor.The H8237KDZA through hole resistor also includes a source resistor. The source resistor functions as a sensitivity mechanism, allowing the resistance to remain within the specified range regardless of the current strength passing through it.

Conclusion

The H8237KDZA through hole resistor is a versatile and reliable resistor, which can be used in a variety of applications. It offers a uniform resistance within a specified range, and also includes a source resistor for a sensitivity mechanism. Its metal oxide thin-film construction, along with its ceramic substrate, provides it with excellent heat dissipation. This makes it an ideal choice for automotive applications, as well as AC/DC converters, high voltage power supplies, and signal processing circuits.

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