RNX0388M00FKR7

Series:	RNX
Packaging:	Tape & Reel (TR)
Part Status:	Active
Resistance:	8 MOhms
Tolerance:	±1%
Power (Watts):	1W
Composition:	Metal Oxide Film
Features:	Flame Retardant Coating, High Voltage, Safety
Temperature Coefficient:	±100ppm/°C
Operating Temperature:	-55°C ~ 150°C
Package / Case:	Axial
Supplier Device Package:	Axial
Size / Dimension:	0.140" Dia x 0.420" L (3.56mm x 10.67mm)
Height - Seated (Max):	--
Number of Terminations:	2
Failure Rate:	--

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Through Hole Resistors

Through hole resistors, also known as fixed film, carbon film and ceramic film resistors, are one of the most commonly used electronic components, used in many modern electronic circuits. Through hole resistors consist of a cylindrical case containing a metal film, encased in an insulating dielectric. The case protects the metal film from environmental wear and tear, making them sturdier and more reliable than their surface-mount cousins. Through-hole resistors also have good power handling capabilities due to their greater volume.

RNX0388M00FKR7 application field and working principle

RNX0388M00FKR7 is one of the most commonly used through hole resistors with a continuous current rating of 7 watts and a maximum power rating of 48 watts. It is suitable for a wide variety of applications including consumer electronics, industrial electronics, telecommunications, automotive and military applications.The working principle of a through-hole resistor is based on the Joule effect, or the heating effect produced when an electric current passes through a conductor. The current passing through the resistor is converted to heat by the metallic film, the metal film further dissipates the heat from the resistor into the environment. The resistance of the resistor is determined by the type of film used, the length and the thickness of the film. By changing the film thickness, the resistance can be changed as desired.

Advantages and Disadvantages

Through hole resistors have several advantages over other types of resistors. They are relatively large in size, which provides them with good power handling capabilities. Furthermore, the cylindrical design allows for easy installation and a wide range of form factors. The metal film also gives the resistor good wear and tear resistance, ensuring a long working life and reliability.However, the large size of the through hole resistors makes them impractical for use in high density and high frequency circuits. Additionally, their heat dissipation ability may not be enough for applications where large currents are being passed through the resistor. Finally, the different types of films used in through-hole resistors often give them limited resistance range and poor temperature stability.

Conclusion

Through hole resistors are one of the most commonly used electronic components and their use is widespread in many industries. The RNX0388M00FKR7 is a widely used type of through hole resistor, with good power handling and durability. Its main advantages include its ease of installation and its good wear and tear resistance. On the other hand, its size makes it impractical for high density and high frequency circuits and its film-based construction gives it limited resistance range and poor temperature stability.

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