PF2205-5K1F1

Series:	PF2200
Packaging:	Tube
Part Status:	Active
Resistance:	5.1 kOhms
Tolerance:	±1%
Power (Watts):	50W
Composition:	Thin Film
Features:	--
Temperature Coefficient:	±50ppm/°C
Operating Temperature:	-55°C ~ 155°C
Package / Case:	TO-220-2
Supplier Device Package:	TO-220
Size / Dimension:	0.417" L x 0.177" W (10.60mm x 4.50mm)
Height - Seated (Max):	0.591" (15.00mm)
Number of Terminations:	2
Failure Rate:	--

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Through Hole Resistors: PF2205-5K1F1 Application Field and Working Principle

Through hole resistors are used to reduce electrical current in a variety of electrical circuits. Through hole resistors are found in a wide range of electronic devices, from large appliances to tiny components used in computers and cell phones. The PF2205-5K1F1 is one of the most widely used through-hole resistor types for applications in which reliable continuous current is needed.The PF2205-5K1F1 is a ceramic base resistor with an epoxy coating. It is designed to dissipate heat more efficiently than other through-hole styles, with its high-efficiency heat sink construction. Its construction also features gold-plated contacts, making it highly reliable and durable.PF2205-5K1F1 through-hole resistors are used in many applications due to their high-temperature stability, capability to withstand a large variety of physical and environmental stress, and right-angled terminations that make them ideal for tight fit applications. Common applications of the PF2205-5K1F1 resistors include power supplies, motor controls, and automotive electronics.The PF2205-5K1F1 through-hole resistor works on the principle of Ohm\'s Law, whereby the current going through it is determined by the voltage and the resistance, and vice versa. In other words, when a specific amount of electrical voltage is applied on one end of the resistor, then the current that passes through it is determined by the resistance of the resistor. This is because the resistors act as a sort of constriction in the path of the current, obstructing the flow of electrons to a certain degree.The main physical structure of a PF2205-5K1F1 through-hole resistor is composed of two metal parts, separated by a ceramic core that serves as the insulating material. The ceramic core is then coated with an epoxy material that provides additional protection from environmental damage and prevents the lead wires from being accidentally shorted.When a certain voltage is applied across the two end terminals of the resistor, the electric current flows through the resistor according to Ohm\'s law. The magnitude of the current is determined by the resistance of the resistor as well as the voltage that is applied across it.The heat produced due to the flow of current through the resistor is dissipated through the heat sinks in the resistor\'s metal terminals. These heat sinks provide a surface area upon which the dissipated heat turns to radiant energy, safely releasing it away from the device.In conclusion, the PF2205-5K1F1 is a widely used through-hole resistor type that offers high temperature stability and a reliable source of continuous current. It works on the principle of Ohm\'s Law and its ceramic core is coated with an epoxy for additional protection from environmental damage. The size and shape of the resistor makes it ideal for applications where reliable current is needed in tight spaces, and its gold-plated contacts mean it is highly resistant to corrosion and wear.

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