NFR25H0002209JA500 Resistors

Series:	NFR25H
Packaging:	Tape & Box (TB)
Part Status:	Active
Resistance:	22 Ohms
Tolerance:	±5%
Power (Watts):	0.5W, 1/2W
Composition:	Metal Film
Features:	Flame Proof, Fusible, Safety
Temperature Coefficient:	±100ppm/°C
Operating Temperature:	-55°C ~ 155°C
Package / Case:	Axial
Supplier Device Package:	Axial
Size / Dimension:	0.098" Dia x 0.256" L (2.50mm x 6.50mm)
Height - Seated (Max):	--
Number of Terminations:	2
Failure Rate:	--

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Through Hole Resistors

NFR25H0002209JA500 is a type of through hole resistor as a passive two-terminal electrical component that implements electrical resistance as a circuit element. This through hole resistor is commonly used to limit the current or to divide voltage within a circuit and often used in embedded electrical systems and integrated circuit-based products.

Working Principle

The core principle involves a physical property of a resistor material, Ohm\'s Law, which states that current through a conductor between two points is directly proportional to the voltage across the two points. When electric current passes through the resistors, energy is released as heat due to the increase of electronic resistance. The resistors can control the voltage, current and energy made available in an electric circuit.

Components of Through-Hole Resistors

The main components of through-hole resistors include an insulated core, resistive element or film, and a metal coating. The insulated core of through-hole resistors are usually made up of ceramic, glass, or plastic. It serves as a protection against heat and electrical current, as well as preventing the resistor from short-circuiting. The resistive elements are made up of carbon or metal film and are usually coated with an additional layer of metal such as tin or copper. This metal coating serves to protect the resistive elements from oxidation or corrosion.

Advantages and Disadvantages

The biggest advantage of through-hole resistors is their cost. This type of resistor is generally the least expensive, as the components used to make them are easy to come by. In addition, because they are easy to work with and install, they can often be used in applications where other resistor types would be unsuitable. One of the main disadvantages of through-hole resistors is their size. Since they are larger and heavier than other resistor types, they can be overly bulky in some applications. In addition, because of their size, they often take up more space on a circuit board than other resistor types.

Applications

Through-hole resistors are most commonly used in complex electrical circuits and embedded electrical systems. They are typically used in high-power applications that require high power dissipation or where extra safety is required, such as in power supplies, power amplifiers and current-limiting circuits. In addition, through-hole resistors are commonly used in testing and measurement systems, motor controls, and surface mount technology.

Conclusion

Through-hole resistors are a type of passive two-terminal electrical component that have a wide range of applications, from complex circuits to embedded systems. Their main components include an insulated core, resistive elements, and a metal coating, which serve to protect the resistor from heat and current, and prevent short-circuiting. While they are usually the least expensive, their large size can be overly bulky in some applications.

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