CMF552K8700DHBF

Series:	CMF
Packaging:	Bulk
Part Status:	Active
Resistance:	2.87 kOhms
Tolerance:	±0.5%
Power (Watts):	0.5W, 1/2W
Composition:	Metal Film
Features:	Flame Retardant Coating, Moisture Resistant, Safety
Temperature Coefficient:	±50ppm/°C
Operating Temperature:	-55°C ~ 175°C
Package / Case:	Axial
Supplier Device Package:	Axial
Size / Dimension:	0.090" Dia x 0.240" L (2.29mm x 6.10mm)
Height - Seated (Max):	--
Number of Terminations:	2
Failure Rate:	--

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Through Hole Resistors: CMF552K8700DHBF application field and working principle

Through hole resistors are an important component in a variety of electronic circuits. The CMF552K8700DHBF is a through hole resistor which is most suitable for high frequency, low power, and low current applications.

Construction

The CMF552K8700DHBF is constructed as an axial leaded resistor, with the construction consisting of a ceramic core, and a high-grade carbon or precious metal film. The core is made from high temperature ceramic which provides a tight tolerance and mechanical strength. The resistive element is formed using a film of either carbon or precious metals such as gold or platinum, which gives the resistor a wide temperature range and stable characteristics. The core is surrounded by a protective insulation, such as a polyester or polytetrafluoroethylene (PTFE) cover.

Applications

The CMF552K8700DHBF is a through hole resistor which is suitable for high frequency, low power, and low current applications. It can be used in applications such as radio receivers, amplifiers, oscillators, and other low noise, low power applications. It is often used to provide power supply regulation, noise reduction, ripple filtering, and biasing functions.

Working Principle

The CMF552K8700DHBF is a variable resistor which works on the principle that a resistive element’s resistance changes when a current passes through it. The resistive element is typically a spiral or straight wire wound around a ceramic core and is coated with an insulation material, such as polyester. When a current passes through the wire, some of the electricity is dissipated in the form of heat, and the resistance of the element increases.When the resistor is used in a circuit, the resistance can be altered by adjusting the voltage or current to change the amount of electricity flowing through the element. When the amount of current reaching the element is reduced, the resistance will decrease, and vice versa. The resistance can also be changed by varying the temperature of the element, as heat can either condense or expand the element.

Conclusion

The CMF552K8700DHBF is a through hole resistor which is ideal for high frequency, low power, and low current applications. It is constructed from a ceramic core and a resistive element made from either carbon or precious metals, and is surrounded by a protective insulation. Its working principle is based on the fact that a resistive element’s resistance changes when a current passes through it. By adjusting the voltage or current, heating or cooling the element, or changing the environment in which it is used, it is possible to alter the resistance of the element to suit a variety of applications.

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