MFR-50FTE52-20K

Series:	MFR
Packaging:	Tape & Box (TB)
Part Status:	Active
Resistance:	20 kOhms
Tolerance:	±1%
Power (Watts):	0.5W, 1/2W
Composition:	Metal Film
Features:	--
Temperature Coefficient:	±50ppm/°C
Operating Temperature:	-55°C ~ 155°C
Package / Case:	Axial
Supplier Device Package:	Axial
Size / Dimension:	0.130" Dia x 0.354" L (3.30mm x 9.00mm)
Height - Seated (Max):	--
Number of Terminations:	2

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Through Hole Resistors

Through Hole resistors are a form of passive electronic components used to reduce the flow of electricity in a circuit. These components are normally made of a conductor that is designed to resist voltage and current flow, usually by means of thermal dissipation or even inductive reactance. Through-hole resistors were introduced in the 1920\'s as a means of increasing the range and accuracy of resistive elements used in the electrical circuit.The MFR-50FTE52-20K is a through-hole resistor that is designed to limit the current in a circuit. It is most commonly used to safeguard sensitive components from the dangers of overvoltage, as well as for controlling the magnitude and duration of an electric pulse. This type of component is often found in automotive, telecommunications, household electrical items, and LED lighting applications.The MFR-50FTE52-20K is composed of a coil of fine-diameter wires encased in a cylindrical ceramic coating, which prevents the wire windings from short-circuiting. The resistance value of the component is determined by the number of turns of the winding, as well as the diameter and layer thickness of the wire used. The thickness of the ceramic coating is also important, as it determines how much heat is dissipated through the component.Although there are many applications for through-hole resistors, the most common use is for power-supply regulation. This type of component helps to regulate the flow of electricity in a circuit, enabling the user to adjust the voltage or current as needed. In addition, through-hole resistors can also be used for voltage clamping. This is a process wherein the through-hole resistor limits the output voltage or current, preventing it from exceeding the maximum value in the circuit. Finally, through-hole resistors are also employed in surge suppressors, providing protection to sensitive components from excessive voltage levels.In addition to their applications in power-supply regulation, through-hole resistors are also often used in the construction of op amps and signal-conditioning circuits. They provide the necessary level of impedance in order to match the other components in the circuit. Additionally, through-hole resistors also help to reduce unwanted noise in sensitive equipment.The working principle of a through-hole resistor is simple. As current flows through the component, a potential difference is created between the two ends of the resistor. This potential difference is known as the voltage drop. The amount of current passing through the resistor is dependent on the resistance value of the resistor. The higher the resistor\'s resistance value, the less current is able to flow through the resistor, meaning the voltage drop across the resistor will be greater. Conversely, the lower the resistance value, the greater the current is able to flow, resulting in a lower voltage drop across the resistor. Finally, the most important fact to note about through-hole resistors is that it is critical to match the resistor\'s wattage rating to the appropriate voltage and current ratings of the application.Through-hole resistors such as the MFR-50FTE52-20K have been invaluable tools for controlling and regulating electric current. This type of component offers a simple, cost-effective solution for controlling voltage and current levels in power-supply regulation, LED lighting, and signal-conditioning circuits. In particular, their ability to dissipate heat and inductive reactance means they are ideal for controlling potentially dangerous overvoltage levels. As such, through-hole resistors remain an essential component in countless electronic products in use today.

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