40J25RE

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Through Hole Resistors provide a simple yet effective way to limit the current and voltage in an electrical device. They can also be used as a form of mechanical protection against short circuits, over-voltage, or other hazards. The 40J25RE resistor is an example of a popular through hole resistor with a 25W rating and a resistance tolerance of ±5%.

The 40J25RE through hole resistor has a 25W rating meaning that, when properly installed, it is capable of dissipating up to 25 watts of energy. A resistor rating in watts is determined by the resistor’s ability to dissipate energy, essentially a resistance to heat. This resistor has a resistance tolerance of ±5% meaning that the nominal resistance value of the resistor can vary up to ±5% of the stated value. This is important because resistors may be used in combinations to achieve a particular voltage or current and this tolerance helps to guarantee a reliably accurate value.

The 40J25RE can be used for a variety of different applications depending on the design parameters of the circuit. It is commonly used in circuits requiring the passing of electricity through a resistance. For example, RC circuits or circuits containing current sources or current limiting devices often require resistors in order to adjust current or voltage levels. As it is a through hole resistor, it is generally used in devices that require a more permanent means of protection against voltage or current, such as circuit boards.

The working principle of the 40J25RE through hole resistor is governed by Ohm’s Law which states that the current flowing through a resistor is proportional to the voltage across it. This means that the current passing through the resistor will be proportional to the voltage that is applied across it. The 40J25RE is a positive temperature coefficient (PTC) type of resistor which means that its resistance will change with the temperature of the environment. This can be useful in applications where changes in temperature could cause a significant change of current passing through the device.

The 40J25RE through hole resistor is a popular choice for many different applications due to its 25W rating and ±5% resistance tolerance. It is commonly used in RC circuity and other circuits that require the passing of current through a resistor. The working principle of the resistor follows Ohm’s Law and is governed by the PTC effect which allows its resistance to be affected by the temperature of the environment.

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