MFR100FTE52-649K

Series:	MFR
Packaging:	Tape & Box (TB)
Part Status:	Active
Resistance:	649 kOhms
Tolerance:	±1%
Power (Watts):	1W
Composition:	Metal Film
Features:	--
Temperature Coefficient:	±50ppm/°C
Operating Temperature:	-55°C ~ 155°C
Package / Case:	Axial
Supplier Device Package:	Axial
Size / Dimension:	0.177" Dia x 0.453" L (4.50mm x 11.50mm)
Height - Seated (Max):	--
Number of Terminations:	2

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Through Hole ResistorsMFR100FTE52-649K Application Field and Working PrincipleThrough hole resistors, also known as PTH (Plated Through Holes) resistors, are a type of resistor that have been traditionally used in electronics engineering since the early 1900s, as an alternative to surface mount resistors. They are mainly used in applications where a physically large resistor is required. MFR100FTE52-649K is a Through Hole Resistor from manufacturer Ohmite. It offers a tolerance rating of 5%, a working voltage of 850 volts and a power rating of 0.625W.The basic design of a through hole resistor consists of a cylindrical core, which is coated with a conducting material such as copper or tin-plated copper, in order to increase its electrical conductivity. On top of this core is a resistive material, such as a carbon composition, which determines the resistive value of the resistor. The core is then threaded and soldered to the PCB (Printed Circuit Board).These resistors are mainly used in applications that require high-power and/or high-voltage. For example, in the automotive industry, MFR100FTE52-649K resistors are used to regulate the power consumed by direct-current-powered engines and motors, as well as controlling the speed of motors. In the field of electrical drives, they are used to supply control signals that are necessary for power control.In terms of their working principle, resistance works by restricting the flow of a given amount of electrical current. This is done by introducing a counteracting force that causes a reduction in the level of the electrical current. The greater the resistance is, the more the current is restricted and the less effective it is. The exact amount of current reduction is determined by the resistance, which is set by varying the resistive material used to produce the desired effect.In terms of their structure, through-hole resistors are constructed using an insulated core, which is threaded and soldered onto the Printed Circuit Board. The insulation aids in attaching the core to the PCB and prevents the current from arcing over the surface of the resistor. To ensure a secure connection, additional insulation may also be added to the inside of the resistor’s cylinder to prevent moisture and other contaminants from easily entering the resistor. In terms of the MFR100FTE52-649K, it offers some unique features that make it suitable for a range of applications. It is specially designed for automotive use, and can handle up to 850V of working voltage. The 0.625W power rating makes it suitable for applications that require high-power and higher than normal operating temperatures. Additionally, it features a 5% tolerance rating, which ensures that the resistance value is accurate and reliable. Overall, MFR100FTE52-649K is a through hole resistor from Ohmite that offers a wide range of applications in the automotive and electrical drives industry. It features a working voltage of 850V, a power rating of 0.625W and a 5% tolerance rating. Its unique features and structure make it an ideal choice for applications that require high-power and higher operating temperatures.

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