HHV-50FT-52-2M55

Series:	HHV
Packaging:	Tape & Box (TB)
Part Status:	Active
Resistance:	2.55 MOhms
Tolerance:	±1%
Power (Watts):	0.5W, 1/2W
Composition:	Metal Film
Features:	Flame Retardant Coating, High Voltage, Safety
Temperature Coefficient:	±200ppm/°C
Operating Temperature:	-55°C ~ 155°C
Package / Case:	Axial
Supplier Device Package:	Axial
Size / Dimension:	0.130" Dia x 0.354" L (3.30mm x 9.00mm)
Height - Seated (Max):	--
Number of Terminations:	2

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Through Hole Resistors: HHV-50FT-52-2M55 application field and working principle

A through hole resistor is an electrical resistor that is used to regulate the current or voltage in a circuit. This type of resistor has been around since the early 1900s and is still widely used today. HHV-50FT-52-2M55 is a modern through hole resistor with a power rating of 52 watts and a resistance value of 2 mega ohms. The main application fields of HHV-50FT-52-2M55 are overvoltage protection and interference suppression. Besides, the resistor can also be used for general current-limiting purposes.

Working Principle

The assumption behind the working of through hole resistors is that the resistor acts as a conductor in a circuit but has a certain resistance to electrical current, causing the electrons to be slowed down. When the resistance is less than the amount of current that is trying to flow in the circuit, the electrons are slowed down and create heat. The resistors create some heating effect based on the length and size of the resistor.The way this works can be illustrated with a simple analogy. Consider a garden hose with water flowing through it. If there is a small opening in the hose, the water will slow down and create some friction, which is analogous to how a resistor works in a circuit. If the size of the opening is too small, the water pressure can build up to the point where there is a sudden release of water, similar to the electrical current behaving unpredictably.

Materials Used to make Through Hole Resistors

Through hole resistors are made of a variety of materials with different resistivity. These materials include copper, silver, gold, carbon and alloys like nichrome. A mix of these materials can also be used to get the desired resistivity. During the manufacturing process, the materials are exposed to extreme heat and pressure, so that the resistance of the resistor can be adjusted. The resistor is then surrounded by ceramic insulation material, which helps to prevent the resistor from short-circuiting due to external influences.

Types of Through Hole Resistors

There are several types of through hole resistors available. The main types are: axial, power, radial and SMD (surface mount device). Each type has unique features which make it suitable for specific applications.Axial resistors consist of a cylindrical shape with two leads protruding from either end. They are used for general applications, as the resistor can be easily mounted to the circuit board. Axial resistors can also be used for power applications if they are rated for the power required.Power resistors are very large and can handle large amounts of current. They are usually mounted on a heat sink and are designed to dissipate a large amount of heat generated by the current flow.Radial resistors are similar to axial resistors but have the leads in the shape of a wheel. They are more common in smaller circuits as they are more compact than axial resistors.SMD resistors are the last type of through hole resistors. The impressive feature of SMD resistors is their very small footprint, which makes them suitable for use in high-density boards. However, they require special equipment for installation on the board.

Advantages of Through Hole Resistors

Through hole resistors offer certain advantages. Firstly, they have very good thermal stability and good climate resistance. This means that the resistor can withstand varying temperatures without losing its accuracy. The second advantage of through hole resistors is the fact that they are very reliable. They are easy to use and can be trusted to do their job accurately for long periods of time.Moreover, through hole resistors are widely available and are very cost-effective. The last advantage is that these resistors can be used for a wide range of applications, from low-voltage to high-voltage systems.

Disadvantages of Through Hole Resistors

The main disadvantage of through hole resistors is their large size. Since they are physically large, they can be difficult to mount in small spaces or on densely populated circuit boards. They also require special equipment for installation and require extra space on the circuit board.In addition, through hole resistors are not suitable for automated assembly processes as they are labor-intensive to install. They also age much faster than surface mount devices.

Conclusion

Through hole resistors are popular because they are reliable, cost-effective and versatile. HHV-50FT-52-2M55 through hole resistor is a modern device that is used for high voltage applications. The main application fields are overvoltage protection and interference suppression. The working principle of through hole resistors is based on the idea that the resistor acts as a conductor in a circuit, but causes the current to be slowed down due to its resistance. Through hole resistors are made of different materials with different resistivity and are available in several types like axial, power, radial and SMD. The main advantages are their thermal stability, reliability and cost-effectiveness. However, their size and difficulty in mounting make them unsuitable for some applications.

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