SP3AJT50R0

Series:	SP
Packaging:	Tape & Reel (TR)
Part Status:	Active
Resistance:	50 Ohms
Tolerance:	±5%
Power (Watts):	4W
Composition:	Wirewound
Features:	Fusible, Safety
Temperature Coefficient:	±20ppm/°C
Operating Temperature:	-55°C ~ 350°C
Package / Case:	Axial
Supplier Device Package:	Axial
Size / Dimension:	0.218" Dia x 0.500" L (5.54mm x 12.70mm)
Height - Seated (Max):	--
Number of Terminations:	2
Failure Rate:	--

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Through Hole Resistors: SP3AJT50R0 Application Field and Working Principle

Through hole resistors refer to those resistors that are used for various electronic assemblies by passing through, or "threading", a hole in a printed circuit board (PCB). These resistors can have many different shapes and sizes depending on their application and may be made of ceramic, carbon, film, or metal.The SP3AJT50R0 Through Hole Resistor is a radial leaded, Metal Oxide Foil Fixed Resistor. It is used for applications requiring stability and high reliability. The SP3AJT50R0 is a 4-terminal (radial leaded) resistor that is mounted in the hole of a printed circuit board. It has a rated resistance of 50 ohms.The main working principle of a through hole resistor is based on the characteristic of a metal-oxide film to restrict the flow of electrical current. When the metal-oxide film is heated, it creates an electrostatic field that helps to oppose the flow of the electric current. As a result, this reduces the amount of current flowing through the resistor. This in turn reduces the amount of heat generated by the resistor.The construction of a SP3AJT50R0 through hole resistor is complex due to its radial lead mounting. The components consist of a base of silicone rubber, a metal-oxide film, and two insulated steel lead wires. The components are first wound onto a metal core winding mandrel and then inserted into a special plastic shell. The shell is then filled with a special silicone rubber compound. This compound acts as an insulator between the components and prevents the metal-oxide element from coming into contact with other components on the circuit board. The working principle of a SP3AJT50R0 through hole resistor is based on the properties of the metal-oxide film. When an electric current is applied across the two lead wires, the metal-oxide film creates an electrostatic field which opposes the current flow and reduces the amount of heat generated by the resistor. This reduces the flow of current and limits the voltage applied to the circuit board.The SP3AJT50R0 is a very versatile resistor that can be used for many different applications. For example, it can be used as a voltage-regulator, current limiter, temperature-limiting device, or for protection against over-voltage in a circuit. The SP3AJT50R0 also features high precision, stability and reliability, making it ideal for high-precision circuits. Its small size makes it perfect for use in tight spaces.In conclusion, the SP3AJT50R0 through hole resistor is a versatile and reliable device with many applications. Its complex construction and high precision make it an ideal choice for a wide range of applications in electronic devices and circuits. Its small size and heat resistance also make it a great choice for use in tight spaces.

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