Series:	Holco, Holsworthy
Packaging:	Bulk
Part Status:	Active
Resistance:	270 kOhms
Tolerance:	±0.25%
Power (Watts):	1W
Composition:	Metal Film
Features:	Pulse Withstanding
Temperature Coefficient:	±25ppm/°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

H4P270KCDA Application Field and Working Principle

Through-hole resistors are passive electrical components with two leads and a body that contains resistive material. They are placed in electrical circuits to limit electric current by providing a predetermined and fixed electrical resistance. Although the use of through-hole resistors does not provide the precision or the compactness that surface mount resistors offer, they are highly reliable components that can operate in higher power ranges.The H4P270KCDA is a through-hole resistor for high-power, high-precision applications. Its rectangular body has a 70-ohm, 5 percent tolerance value. Its through-hole design enables its use in higher power ranges while its wide tolerances provide a wide electrical range of operation.The working principle of the H4P270KCDA is simple. When electricity passes through such a component, a portion of the energy is dissipated in the form of heat. The voltage drop across the resistor is directly proportional to its resistance and the amount of current flowing through it. This voltage drop, known as the Ohm\'s law, states that the resistance is equal to the voltage, divided by the current. As a result, by precisely adjusting the amount of current through the component, the resistor can be used to control and adjust the peak voltage of a circuit.The H4P270KCDA is able to withstand heat because it is made of a metal-ceramic composite, which contains both metal and ceramic elements. The resistance value of the component is determined by the resistance of this composite material. The ceramic component helps to absorb thermal energy efficiently, which allows the component to remain stable when operating at higher temperatures.In order to ensure the reliability of the H4P270KCDA component, its leads are manufactured using high-quality brass. Its lead finish is gold for better contact and is usually wrapped with plastic for additional protection. The body of the component is made from an alloy of copper, nickel, and zinc to improve its electrical conductivity. The solder used to resist the H4P270KCDA is usually made of tin and silver and provides a reliable electrical connection.Finally, the through-hole nature of this resistor also makes it easy to use, since it can easily attach to a printed circuit board or other solderable object. This makes it perfect for a wide variety of applications, ranging from high current and voltage, to general purpose, to linear and filter applications.Overall, the H4P270KCDA is a highly reliable and versatile through-hole resistor with excellent temperature and current handling characteristics. Its high-power design enables it to handle current up to 40 watts and peak voltage up to 8 volts, making it suitable for a variety of high-precision applications. Its lead finish ensures excellent electrical contact with a printed circuit board and its metal-ceramic composite provides excellent thermal characteristics. Finally, its through-hole design makes it easy to attach to a printed circuit board or other solderable object.

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Part Number	Manufacturer	Price	Quantity	Description