KNP50SJT-52-1R8

Series:	KNP
Packaging:	Tape & Box (TB)
Part Status:	Active
Resistance:	1.8 Ohms
Tolerance:	±5%
Power (Watts):	0.5W, 1/2W
Composition:	Wirewound
Features:	Flame Retardant Coating, Safety
Temperature Coefficient:	±300ppm/°C
Operating Temperature:	-40°C ~ 200°C
Package / Case:	Axial
Supplier Device Package:	Axial
Size / Dimension:	0.098" Dia x 0.248" L (2.50mm x 6.30mm)
Height - Seated (Max):	--
Number of Terminations:	2

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Through Hole Resistors – KNP50SJT-52-1R8 Application Field and Working Principle

Through hole resistors have long been a popular choice when it comes to straight forward electrical measurement and control. Commonly used in industrial applications, they are used for both high- and low-power circuits – controlling voltage or current in order to ensure that the circuit works as it should.The KNP50SJT-52-1R8 is an example of a through hole resistor with a number of features that make it perfect for certain types of applications. Here we’ll look at what this specific resistor is designed for and how it works.

Applications

The KNP50SJT-52-1R8 is a through hole resistor with a resistance value of 52 +/- 5%. It is suitable for applications where extremely precise and consistent resistance values are required, such as in circuits for power metering or where a certain current or voltage level needs to be held stable.It is designed for a wide variety of temperature ranges (from -25 to +210 degrees Celsius) and is well-suited for use in both alternating and direct current circuits. It is designed to work in circuits that have up to 500 volts of direct current or 600 volts of alternating current.

Design

The KNP50SJT-52-1R8 is made from a pair of ceramic rods which are connected either side of a helically wound copper wire. The ceramic rods give the resistor its resistance value and temperature stability, while the copper wire is there to help ensure the electrical current does not ‘arc’ across the resistor at a higher current.The resistor is then enclosed in a protective plastic body which has a pair of mounting holes, allowing it to be easily wired into the desired circuit. The plastic body also ensures that no accidental short circuits occur by preventing moisture or other airborne particles from coming into contact with the ceramic rods.

Working Principle of Through Hole Resistors

To understand how the KNP50SJT-52-1R8 works, it is important to understand the working principle of all through hole resistors.Essentially, the resistor works by providing a predetermined amount of resistance to the electrical current. This resistance acts like a bottleneck for the current, reducing its intensity before it reaches its destination.Therefore, by introducing a through hole resistor into a circuit, it is possible to limit the current to a specific level. In the case of the KNP50SJT-52-1R8, the resistor ensures that the current is limited to a maximum of 500V for direct current circuits, or 600V for alternating current circuits.

Conclusion

The KNP50SJT-52-1R8 is an example of a useful through hole resistor which is designed for applications where a precise and consistent resistance value is required. Its design ensures that it is capable of withstanding extreme temperatures while also providing a reliable current limit. Understanding the working principle of through hole resistors is important when selecting the correct one for a particular job, as it will ensure the circuit operates correctly.

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