WW3FT120R Resistors

Series:	WW
Packaging:	Tape & Reel (TR)
Part Status:	Active
Resistance:	120 Ohms
Tolerance:	±1%
Power (Watts):	3W
Composition:	Wirewound
Features:	Moisture Resistant
Temperature Coefficient:	±20ppm/°C
Operating Temperature:	-55°C ~ 350°C
Package / Case:	Axial
Supplier Device Package:	Axial
Size / Dimension:	0.187" Dia x 0.560" L (4.75mm x 14.22mm)
Height - Seated (Max):	--
Number of Terminations:	2
Failure Rate:	--

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Introduction

Through Hole Resistors, or THRs, are electrical components found in power supply systems and other electronics. THRs are an essential component in the circuit as they limit the flow of electrical current, as well as converting it to a safe amount. This helps protect the circuits from damage due to excessive current. The WW3FT120R THR is one such type of THR that has been used in various electronics for decades, and is typically used in applications that require a higher current flow.

Application Field

The WW3FT120R THR is usually used in applications where a higher current flow is required. It is especially ideal for use in industrial power supplies, rectifiers, voltage regulators, and converters where a steady current flow needs to be maintained. It is also commonly used in appliance motors and lighting systems where high wattages are required, as well as in automotive and HVAC systems.

Working Principle

The WW3FT120R THR works on the principle of electrical resistance. It works by converting some of the voltage in an electric circuit to heat instead of current. As the voltage passes through the THR, electrical resistance causes a decrease in energy in the form of heat, which reduces the amount of current in the circuit. This ensures that only the desired amount of voltage can pass through the circuit, while also reducing the risk of damage caused by excessive current.The WW3FT120R THR is made of an outer shell made of aluminum or another metal, with two internal terminals and a resistive element. The resistive element is the component that resists current, and can be a wire-wound or a solid-state resistor.When electricity is supplied to the THR, it dissipates energy in the form of heat. This ensures that the amount of electricity passing through the THR is regulated, thus controlling the flow of current. The result is a steady current output in the circuit that is safe and protected from the effects of excess current.

Conclusion

The WW3FT120R THR is a common THR used in various industrial applications that require a higher current flow. It works on the principle of electrical resistance and operates by converting some of the voltage in an electric circuit to heat instead of current. This ensures that only the desired amount of electricity passes through the system, and that any excess current is converted to heat and dissipated safely. This helps protect electrical systems from the damaging effects of excess current, and allows for higher wattages without risking damage to the circuit.

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