PSP7WSJB-75R Resistors

Series:	PSP
Packaging:	Bulk
Part Status:	Active
Resistance:	75 Ohms
Tolerance:	±5%
Power (Watts):	7W
Composition:	Wirewound
Features:	Anti-Arc, Flame Proof, Moisture Resistant, Safety
Temperature Coefficient:	--
Operating Temperature:	-55°C ~ 350°C
Package / Case:	Axial
Supplier Device Package:	Axial
Size / Dimension:	0.354" Square x 0.984" L (9.00mm x 25.00mm)
Height - Seated (Max):	--
Number of Terminations:	2
Failure Rate:	--

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Through Hole Resistors

Through hole resistors are a type of electrical component that is designed to have an electrical resistance, as well as other electrical properties such as voltage, current, resistance tolerance and temperature coefficient. The PSP7WSJB-75R is an example of a through hole resistor. It has a rated voltage of 75V, power rating of 25W and resistance tolerance of ±1%. In this article, the application field and working principle of PSP7WSJB-75R through hole resistor will be discussed.

Application Field of PSP7WSJB-75R

PSP7WSJB-75R is typically used in applications that require precise resistance value with a wide voltage range. The 75V rating allows the resistor to be used in many different circuitry, from low-voltage analogue circuits to high-voltage power supplies and audio connectors. For example, it can be used in industrial circuits to control the current flow of high-powered devices such as motors and transformers. It is also suitable for use in automotive electrical systems.

Working Principle of PSP7WSJB-75R

The working principle of the PSP7WSJB-75R is based on Ohm\'s Law. As the current flow through the resistor is increased, the resulting voltage across it will increase in proportion. This is due to the resistor\'s electrical resistance. The resistance of the PSP7WSJB-75R is determined by its tolerance, which is ±1%. This means that it will have an exact resistance value, which is 75V, when a certain amount of current is applied to it.When the voltage across the resistor is higher than its power rating, an excessive amount of current will flow through it. This will cause it to heat up and its temperature coefficient will change, resulting in a change in its resistance value.It is important to note that the PSP7WSJB-75R is not designed to be used in high-frequency circuits. It can also be damaged by reverse voltage or overcurrent, so care must be taken when using it in any circuit.

Conclusion

The PSP7WSJB-75R is an example of a through hole resistor with a rated voltage of 75V, a power rating of 25W and tolerance of ±1%. It is suitable for use in applications where precise resistance values are required, with a wide voltage range. Its working principle is based on Ohm\'s Law, which states that as the current flowing through the resistor increases, the voltage across it will increase in proportion. It is important to note that this resistor cannot be used in high-frequency circuits, and can be damaged by reverse voltage or overcurrent.

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