H843RFZA

Series:	Holco, Holsworthy
Packaging:	Bulk
Part Status:	Active
Resistance:	43 Ohms
Tolerance:	±1%
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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Through Hole Resistors: H843RFZA Application Field and Working Principle
Through hole resistors are resistors housed in a component package with a lead or lug that extends from each end. These components are designed for assembly on a printed-circuit board (PCB). A PCB is a mechanical support and electrical connector on which components of an electronics device are attached and interconnected to form a printed circuit assembly. Through hole resistors are limited to four packages types – axial (long, cylindrical leads), radial (pins extending from one side of the resistor), TO-220 (resistor in a cylindrical package), and TO-251 (resistor in an octagonal package). One of the most common through hole resistors available is the H843RFZA. This axial resistor has a carbon-film element and is designed to provide high reliability and accuracy along with excellent noise immunity and temperature stability. Typical applications include, but are not limited to, temperature sensing, power supplies, decoupling, and signal filtering. In all, the H843RFZA is a versatile and reliable resistor. The H843RFZA works on the basic premise of resistance. This resistor restricts the flow of electrons or electric current through a material. This resistance is halved when the component is doubled in length. Resistance is higher in short lead lengths and lower in long lead lengths. Generally, the H843RFZA provides a resistance value of 10K (10,000ohms). The resistance of a resistor is measured in ohms and is represented by the Greek letter, Ω, which looks like an inverted horseshoe and is also called an “omega”. The H843RFZA also works based on its temperature coefficient. It has a positive temperature coefficient, meaning that the resistance of the resistor will increase as the temperature rises. The temperature coefficient is the unit\'s ability to change its value in response to a change in temperature. Generally, the coefficient for the H843RFZA is set to ±100 ppm/°C (parts per million per degree celsius). This temperature coefficient allows the H843RFZA to be highly stable under varying temperatures.The H843RFZA is also rated for its power-dissipation rating. This rating tells you the maximum power that the resistor can handle without being damaged or otherwise breaking down. Generally, the H843RFZA has a power-dissipation rating of 0.4 Watts. This is due to its constitution with a type of resistor called a “power rating” that is a combination of both a temperature and current rating.Lastly, the H843RFZA has been designed for high-frequency operation. This allows it to respond accurately to signals with frequencies up to 1.2GHz. Additionally, the H843RFZA is RoHS compliant, meaning it has been tested and conforms to the standard for hazardous materials. Overall, the H843RFZA is an excellent through-hole resistor for a variety of applications. Its design facilitates high-reliability, accuracy, noise immunity, temperature stability, high-frequency operation, and RoHS compliance. It features an axial lead configuration, positive temperature coefficient, and a power-dissipation rating of 0.4 Watts. As such, the H843RFZA can be used in a variety of applications beyond temperature sensing, including power supplies, decoupling, and signal filtering. In conclusion, the H843RFZA provides a reliable and versatile resistor solution for a wide range of applications. It is a reliable and accurate option for power supplies, decoupling, and signal filtering. It features a positive temperature coefficient, a power dissipation rating, and a high-frequency operation that allows it to respond accurately and quickly to signals.

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