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Through Hole Resistors

Through hole resistors are passive components that are used to reduce or limit the current in electrical circuits. They are also used to provide a stable and predictable impedance in a circuit, allowing for uniform operation of components. The FMP200FBE52-226R is one such resistor and its application field and working principle can be determined by taking a closer look at its features.

Features

The FMP200FBE52-226R is a chip-type, fixed chip resistor of the negative temperature coefficient (NTC) type. It is manufactured in a epoxy-glazed super thin-film technology, using thick-film printing technology with an organic film. It has a capacitance of 200Ω ± 10% and a maximum power dissipation of 0.075W. It is a through-hole resistor with lead-free solder coatings and can be mounted on the board using standard surface mount techniques.

Application Field

The FMP200FBE52-226R is suitable for applications that require a small signal or noise filtering resulting from potentiometers, variable capacitor, capacitors or other components in the circuit. It is mainly used for high-speed switching power supply and non-linear inductor coil. It can also be used in signal conditioning circuits, audio amplifiers, or timer circuits. Additionally, it can be used when high voltage circuits require a high voltage resistance, such as power supply circuits, rectifier circuits and over-voltage protection circuits.

Working principle

The FMP200FBE52-226R is a resistor whose electrical characteristics are determined by the thickness of the organic film on its surface. As the current flows through it, the heat generated from the current creates thermal expansion of the film, which affects its resistance value. As the temperature of the film increases, the resistance value decreases, resulting in a negative temperature coefficient. When the temperature increases further, the thermal expansion of the film will exceed its critical temperature and become unstable, resulting in a quality failure. As a result, the FMP200FBE52-226R should not be operated beyond its specified nominal temperature range.

Conclusion

The FMP200FBE52-226R is a through-hole resistor of the negative temperature coefficient (NTC) type. It has a capacitance of 200Ω ± 10% and a maximum power dissipation of 0.075W. It is suitable for applications in signal conditioning circuits, audio amplifiers, variable capacitor, potentiometer, and timer circuits. Its resistance value decreases with increasing temperature due to the thermal expansion of the film on its surface. Thus, it should not be operated beyond its specified temperature range.

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