AP851 4R7 J

Series:	ARCOL, AP851
Packaging:	Tray
Part Status:	Active
Resistance:	4.7 Ohms
Tolerance:	±5%
Power (Watts):	50W
Composition:	Thick Film
Features:	Non-Inductive
Temperature Coefficient:	±100ppm/°C
Operating Temperature:	-60°C ~ 150°C
Package / Case:	TO-220-2
Supplier Device Package:	TO-220
Size / Dimension:	0.410" L x 0.125" W (10.41mm x 3.18mm)
Height - Seated (Max):	0.650" (16.52mm)
Number of Terminations:	2
Failure Rate:	--

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Introduction to Through Hole Resistors

Through hole resistors are one of the oldest choices in the array of resistors available in the market. These resistors come in various sizes, shapes, capacitances, and resistance values. Primarily, these components are used in engineering designs to limit current flow and to provide precise voltage levels in achieving proper and safe operation of electrical devices.

AP851 4R7 J Application Field and Working Principle

The AP851 4R7 J through hole resistor is a two-terminal component that is used mainly for high-current applications. It is typically used as the current limiting element in applications such as current controlled generators, motor speed controls, and power supplies. It has a power rating of up to 4 Watts and can handle a maximum working voltage of 250V.The AP851 4R7 J through hole resistor operates by limiting the current that flows through the resistor. The amount of current that passes through the resistor is determined by the amount of resistance in the resistor. More specifically, the resistance is determined by the length and width of the resistor\'s elements. The resistance of the AP851 4R7 J resistor is 4.7 ohms.When current passes through the AP851 4R7 J through hole resistor, the resistance of the resistor causes a decrease in the voltage that passes through it. This effect is known as voltage drop. As the voltage drop increases, so does the amount of power that is dissipated through the resistor. This is why the AP851 4R7 J through hole resistor has a maximum working voltage of 250V, as higher voltages can cause excessive heat buildup within the resistor.

Conclusion

AP851 4R7 J through hole resistor is a commonly used two-terminal component that is used mainly for high-current applications. It has a resistive value of 4.7 ohms and can handle up to a maximum working voltage of 250V. It is primarily used in engineering designs to limit current flow and to provide precise voltage levels in achieving a safe operation of electrical devices.

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