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Through Hole Resistors

Through hole resistors, sometimes referred to as THRs, are a type of fixed resistor that consists of two lead wires wound around a ceramic or metal core. These lead wires pass through a circular hole in the core, enabling the resistor to be installed into a printed circuit board (PCB).

A popular THR is the FM0204JT-52-180R. This type of resistor is designed for board-level applications such as regulating energy and providing isolation between two electrical points. Specifically, the FM0204JT-52-180R has a power rating of 0.2 watts and a resistance value of 52 ohms.

Application Field

As its power rating suggests, FM0204JT-52-180R resistors are suitable for low-power applications and, when used in the appropriate circuit, can help regulate and manage shifts in power levels efficiently. Due to its small size, this THR can be used in compact electronic devices, such as phones, computers, and audio-visual equipment. In addition, its high-precision construction and sound insulation make the FM0204JT-52-180R an excellent choice for noise suppression and impedance matching.

Because of its low power rating, this type of THR is also well suited for applications such as controlling temperature, ventilating circuits, optical systems, and digital controllers.

Working Principle

When a current passes through the FM0204JT-52-180R, the resistance from the core material and lead wire will convert some of the electrical energy to heat. This heat, in turn, is dissipated away through the lead wires and core material. The amount of resistance and the amount of heat generated are determined by the material used and the properties of the metal or ceramic core used.

In addition to dissipating heat, the metal or ceramic core also helps protect the resistor from moisture and other environmental fluctuations that might otherwise affect its performance. This helps ensure that the resistors remain reliable and provide consistent results over the long term.

Overall, the FM0204JT-52-180R is an excellent choice for low-power applications, and its ability to dissipate heat while providing insulation and sound suppression make it well suited for a variety of electronic applications.

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