NKN500JR-91-0R18

Series:	NKN
Packaging:	Tape & Reel (TR)
Part Status:	Active
Resistance:	180 mOhms
Tolerance:	±5%
Power (Watts):	5W
Composition:	Wirewound
Features:	Flame Retardant Coating, Non-Inductive, Safety
Temperature Coefficient:	--
Operating Temperature:	-40°C ~ 200°C
Package / Case:	Axial
Supplier Device Package:	Axial
Size / Dimension:	0.335" Dia x 0.965" L (8.50mm x 24.50mm)
Height - Seated (Max):	--
Number of Terminations:	2
Failure Rate:	--

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Through Hole Resistors: NKN500JR-91-0R18 application field and working principleThrough Hole Resistors, is a type of electronic component which adds electrical resistance value to an electrical circuit. It is also known as through-hole component and is characterized by its metal cylinders through which its leads don’t pass entirely. The cylinder also serves as a heat sink, allowing the component to dissipate thermal energy and therefore, it can handle more power than the same moment mounted on a circuit board.The NKN500JR-91-0R18 is a Through Hole Resistor which has an application field mainly designed for industrial applications. It is a metal-oxide film resistor, which is available in various power ratings between 0.25W and 0.5W. The temperature coefficient of the NKN500JR-91-0R18 ranges between ± 22ppm/°C and ± 100ppm/°C making it suitable for many applications in engines and other electrically demanding environments. It is also used in transistors, rectifiers and other semiconductor devices.The NKN500JR-91-0R18 is a very reliable component and its high Endurance and voltage ratings make it suitable for those applications requiring withstanding harsh environmental conditions. Some additional features include a long life of up to 300,000 hours at 70°C and a variety of standard sizes, that allows it to be easily use in almost any application. It has an operating temperature range that varies from -55°C to +150°C and a standard tolerance of 5%. The NKN500JR-91-0R18 also offers a high reliability performance, fast response and low Cost/Benefit ratio.The working principle of a through-hole resistor is similar to other resistors. It works by dissipating energy in the form of heat when more than the required voltage is applied to it. This action is caused by the resistance of its metals joule heats due to the current. The resistor itself is composed of two electrodes which are joined together by a wire lead. The resistance of the material from the electrodes is the determining factor for the resistor’s performance and can be adjusted by changing the resistor’s length. The resistance is inversely proportional to the width and thickness of the resistor.In conclusion, the NKN500JR-91-0R18 is an efficient and reliable Through Hole Resistor designed for applications within the industrial field. It has a temperature coefficient range of ± 22ppm/°C and ± 100ppm/°C, a long life of up to 300,000 hours, an operating temperature range of -55°C to +150°C and also offers a High reliability performance, fast response and low Cost. This Resistor also works by dissipating energy in the form of heat when more than the required voltage is applied to it and its resistance depends on the length and width of the resistor.

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