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Through Hole Resistors

Through-hole resistors (or axial resistors) are resistors that are constructed with two leads that pass through the resistor body from one end to the other, such as the MF0207FRE52-169R from Ohmite. This construction allows for the resistor to be easily mounted on a printed circuit board.

The MF0207FRE52-169R is an axial resistors that is constructed from a Non-Inductive ceramic-metal compose material. This material is often used in applications that require a high temperature stability and low measurable inductance when compared to traditional coil wire wound resistors. This composition resistor also features a number of unique performance benefits such as exceptional power handling capabilities, low DCR (zero catch fire).

Applications

The MF0207FRE52-169R through-hole resistor offers a variety of applications. In low to moderate power electrical/electronic circuits, the non-inductive composition material, induces less ringing of the power supply line than standard coil wound resistors. In RF circuits, the ceramic-metal composition helps minimize any inductance, making it suitable for certain high frequency applications.

The MF0207FRE52-169R resistor can also be used in low power circuits that require high temperature stability and fast response times. Additionally, in switching power supplies, the resistor allows for fast switching times with minimal power losses due to its low DCR (Zero catch fire).

Working Principle

The MF0207FRE52-169R resistor works by constraining the current flow through a material that has a predetermined and stable resistance. The resistor is composed of two, ceramic-metal coated leads, and a center element made from a composite of ceramic and metal material. This composite material is designed to provide a stable resistance over different environmental conditions (heat, voltage, etc.) and to reduce any inductance as compared to standard coil wire wound resistors.

The current flow through the resistor is inversely proportional to the resistance of the material. That is, the higher the resistance, the lower the current flow. The resistor\'s ability to constrain the current is useful in moderating the power distribution in a circuit to achieve a desired electrical performance. The resistor also acts as a voltage limiting element by limiting the amount of voltage moving across the resistor before reaching a point of saturation or the minimum voltage limit.

Conclusion

The MF0207FRE52-169R is a type of through-hole resistors that is composed of two, ceramic-metal coated leads and a Non-Inductive ceramic-metal composite body designed for high temperature stability and low measurable inductance. It is suitable for applications such as low to moderate power electrical/electronic circuits, RF circuits, switching power supplies and low power circuits that require high temperature stability and fast response times. Through-hole resistors act by constraining the current flow through a material that has a predetermined and stable resistance, thus moderating the power distribution in a circuit to achieve desired electrical performance.

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