RSF-25JR-26-300R

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Through Hole Resistors are widely used in many different circuit applications as a basic resistive element, for achieving energy losses in a controlled manner. RSF-25JR-26-300R is an example of such resistors. It is a general-purpose through-hole radial resistor made according to similar resistor characteristics and specifications outlined in MIL-PRF-32243 and MIL-PRF-39006. This article discusses the application field and working principles of RSF-25JR-26-300R.

Characteristics of RSF-25JR-26-300R

In order to determine the suitability of the resistor for a specific application, certain parameters of the resistor should be taken into consideration. RSF-25JR-26-300R has a circumference of 25.4 mm and a height of 26.3 mm and a power rating of 300 mWatts at an ambient temperature of 70 C. This makes it suitable for applications where the resistor is used as a power-saving element and the power dissipation should be kept under the specified value. It has a temperature coefficient of maximum 3000 ppm/C and a voltage coefficient of maximum 2000 ppm/V. It also presents a high stability of the resistance value over temperature and time.

Application Field of RSF-25JR-26-300R

RSF-25JR-26-300R is mainly used in automobile, electronic and military machine applications. As these applications require the electronic components to be resistant to extreme temperatures, RSF-25JR-26-300R is ideal for such applications as its temperature coefficient of 3000 ppm/C and its voltage coefficient of 2000 ppm/V allows for precise control of the resistance. Moreover, its high stability of the resistance value over temperature and time also assures that the circuit designs remain reliable. It can also be used in many other applications such as lighting, access control and telecommunications circuits.

Working Principle of RSF-25JR-26-300R

RSF-25JR-26-300R is a carbon film resistor. It is composed of a resistive element inside a carrier housing. This resistive element is wound with a negative temperature coefficient material, usually carbon or a special mixture of carbon and other materials. The resistive element is coupled with two conductive wires that are inserted into the carrier housing. When a voltage is applied to the resistor, the resistive element creates a resistive barrier that causes the electricity to pass through gradually, thus creating energy losses. This is how the resistor works to reduce the current passing through it.

Conclusion

RSF-25JR-26-300R is an ideal through hole resistor for extreme temperature applications. Its temperature coefficient of maximum 3000 ppm/C and its voltage coefficient of maximum 2000 ppm/V make it suitable for such applications. Moreover, it has a power rating of 300 mWatts at an ambient temperature of 70 C and a high stability of the resistance value over temperature and time. It can be used in applications such as automobile, electronic, military machinery, lighting, access control and telecommunications circuits.

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