OL2025E-R52

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Overview of Through Hole Resistors

Through hole resistors are components that rely on the physical properties of the material used for their construction, to create electrical resistance. Through hole resistors have the highest power ratings and are reliable components that are used for applications that require higher wattage and power ratings.

Types of Through Hole Resistors

There are two main types of through hole resistors: film resistors and wire wound resistors. Film resistors are made from deposited thin metal or metal oxide films on insulating ceramics. As current flows through them, the film resistors create heat that is dissipated through the mounting holes. Wire wound resistors are made by wrapping a wire with a resistor material (called the core) around an insulating material, then filling in the entire construction with epoxy to form a solid, cylindrical structure.

Applications of Through Hole Resistors

Through hole resistors are commonly used in applications requiring high voltage as they have the highest power ratings and are very reliable. They are often seen in industrial panels, automobile interiors, and consumer electronics.

Through hole resistors are used in motor control systems, electric traction systems, power supplies, and energy management systems. They can also be seen in medical technology, automotive electronics, military equipment, and home appliances. In addition, through hole resistors are also used as temperature sensors or in power surge protection systems.

OL2025E-R52 Application Field and Working Principle

The OL2025E-R52 is a multi-purpose through hole resistor for use in industrial applications. The resistor is designed for loads that require higher wattage and can withstand high temperature and humidity environments. It has a power rating of 25 W and a temperature coefficient of 1000ppm/℃. The OL2025E-R52 has a self-healing characteristic which allows it to withstand frequent current surges.

The working principle of the OL2025E-R52 resistor is simple. When an electrical current passes through the resistor, the electrons in the current cause the resistor to heat up. The hot air generated by the resistor is then dissipated through the mounting holes of the resistor. The varying resistance of the resistor based on the current helps to regulate the voltage of the circuit, thereby providing an overall protection from short circuits and power surges.

Conclusion

Through hole resistors are reliable components that are used for applications requiring higher wattage and power ratings. The OL2025E-R52 is a multi-purpose through hole resistor that is designed for use in industrial applications. The working principle of the resistor is based on its ability to generate heat, which is dissipated through the mounting holes. This heat dissipates the current surges, thus providing an overall protection from power surges and short circuits.

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