H4221KBYA

Series:	Holco, Holsworthy
Packaging:	Bulk
Part Status:	Active
Resistance:	221 kOhms
Tolerance:	±0.1%
Power (Watts):	0.5W, 1/2W
Composition:	Metal Film
Features:	Pulse Withstanding
Temperature Coefficient:	±15ppm/°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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<@font-face{ font-family: Georgia, serif;}H4221KBYA Through Hole Resistors are devices that are designed for applications involving high level of electrical insulation. They are popular for use in printed circuit board (PCB) assembly and can be found in many products, such as laptops, computers, and consumer electronics.A through hole resistor is composed of two basic components, the base metal and the conductor. The base metal is a thin layer of metal that is applied to the whole resistor body. This layer of metal creates an electrical resistance when current passes through it. The conductor, usually a carrier material, is embedded in the middle of this base metal layer and is responsible for carrying the electrical current through the resistor body. When current passes through the conductor, it creates a magnetic field around the conductor, which in turn controls the resistance of the resistor.The most common application field of through hole resistors is in static electricity prevention. Since they are very effective in providing an extra layer of insulation, they are commonly used in electronic assemblies that require a low level of electrical leakage or where electrical interference is a concern. The resistors are commonly used in computer circuit boards to help lower the amount of current that passes from one part of the circuit to another, which helps to reduce noise from digital devices.Through hole resistors are also used in other electronic circuits, such as power supplies, signal amplifiers, sound cards, and more. Due to their high level of insulation, they are also commonly used in high voltage systems, such as those found in power plants and industrial applications.When it comes to working principle, through hole resistors work in a fairly straightforward manner. When current is passed through the conductor embedded within the resistor body, the metal layer creates a resistance. This resistance is what causes the current to be reduced, which reduces the amount of electrical energy that is allowed to pass through the resistor.The resistors are able to control the level of resistance by adjusting the size of the metal layer. As the size of the metal layer increases, so does the resistance. Similarly, as the size of the metal layer decreases, the resistance decreases. This adjustment of resistance can help regulate the amount of electrical current that is allowed to pass through the resistor, which is why they are used in specific applications.Through hole resistors can be found in a variety of shapes, sizes, and colors. The most common types of resistors are axial leaded and radial leaded resistors. Axial leaded resistors have two connecting leads that come out of the front and back of the resistor, while radial leaded resistors have two connecting leads that come out of the sides of the resistor.The size and shape of the through hole resistor will depend on the application it is being used for. Generally, resistors are designed for either high power or low power applications. High power through hole resistors are larger and are often used in automotive and industrial applications. Low power through hole resistors are generally smaller and are used in most consumer products.Overall, Through Hole Resistors are an important component in many electronic applications. They can be used in a variety of applications, providing a low level of electrical insulation and helping to reduce noise in computer and other electronic circuits. It is important to select the right type of resistor for the application, as the size and shape of the resistor can affect resistance and performance.

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