Series:	CFR
Packaging:	Tape & Box (TB)
Part Status:	Active
Resistance:	300 Ohms
Tolerance:	±5%
Power (Watts):	0.25W, 1/4W
Composition:	Carbon Film
Features:	--
Temperature Coefficient:	-350/ +500ppm/°C
Operating Temperature:	-55°C ~ 155°C
Package / Case:	Axial
Supplier Device Package:	Axial
Size / Dimension:	0.094" Dia x 0.248" L (2.40mm x 6.30mm)
Height - Seated (Max):	--
Number of Terminations:	2

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Through Hole Resistors

CFR-25JT-52-300R Application Field and Working Principle

Through hole resistors, such as the CFR-25JT-52-300R type, are components of tone networks, adjustable amplifiers, frequency discriminators, filters, and time constant circuits in a variety of uses. This type of resistor offers an variety of features that are critical for applications where protection of your circuit is important.A through hole resistor is a two-terminal component which contains a metal cylinder with an insulating core. This cylinder is typically filled with graphite and carbon, and the graphite helps to dissipate heat. Inside the resistor, the graphite and carbon are separated by a controlled cross-sectional area of air. This amount of air gives the resistor its electrical resistance property.The CFR-25JT-52-300R is a specific type of through hole resistor defined by its resistance value, temperature coefficient, power rating, and tolerance. Its resistance value is 5.2k ohms, with a temperature coefficient of 25ppm/C and a tolerance level of 5%. The power rating for this type of resistor is 300mW.The characteristics of a through hole resistor are determined by the temperature coefficient of the resistor and the resistance coefficient of the carbon layer and graphite core which form the resistor. The temperature coefficient is a measure of how well the resistor is able to maintain its resistance value over temperature changes. A temperature coefficient of 25ppm/C means that the resistance value of the resistor can vary by 25 parts per million for every 1 degree Celsius change in temperature. The resistance coefficient is a measure of the amount of electrical current the resistor can handle in an application. A higher resistance coefficient indicates a higher electrical current capacity. The resistance coefficient of the CFR-25JT-52-300R is 3.5 ohms. This indicates that the resistor is able to handle up to 3.5 amperes of electrical current in an application.Through hole resistors are typically used in low-frequency circuits, such as tone networks, adjustable amplifiers, and frequency discriminators. The CFR-25JT-52-300R is particularly well-suited for use in these types of applications, due to its high resistance value, low temperature coefficient, and high power rating.Additionally, through hole resistors are used in filter circuits, where the resistor’s temperature coefficient is important. The CFR-25JT-52-300R has a temperature coefficient of 25ppm/C, which is low enough to be useful in filter applications.Finally, through hole resistors are used in time constant circuits. Time constant circuits are used to control the rate of change of a signal or voltage over time. The CFR-25JT-52-300R is an ideal choice for use in time constant circuits, due to its low temperature coefficient and resistance value, which means it can maintain its resistance value over a wide range of temperatures and currents.In conclusion, the CFR-25JT-52-300R is a type of through hole resistor which is suitable for use in a variety of applications, including tone networks, adjustable amplifiers, frequency discriminators, filters, and time constant circuits. It offers numerous features which make it particularly well-suited for these types of applications, and its temperature coefficient and resistance value make it an ideal choice for use in a variety of circuits.

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