CMF55720K00BEBF

Series:	CMF
Packaging:	Bulk
Part Status:	Active
Resistance:	720 kOhms
Tolerance:	±0.1%
Power (Watts):	0.5W, 1/2W
Composition:	Metal Film
Features:	Flame Retardant Coating, Moisture Resistant, Safety
Temperature Coefficient:	±25ppm/°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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Introduction

Through Hole Resistors (THRs) are components, consisting mainly of a resistive element and a body, that are designed to limit the flow of current. The CMF55720K00BEBF is a THR from TE Connectivity, which was developed for a variety of applications in the industrial, medical, and energy industries, and is ideally suited for applications where high frequency, high power, and/or high voltage are necessary. In this article, we will take a look at the application field and working principle of the CMF55720K00BEBF.

Application Fields

The CMF55720K00BEBF THR is designed for a variety of applications. It is ideal for use in applications with high voltage and high frequency, such as medical imaging systems, power supplies, motor drives, audio equipment, and test and measurement devices. It is also well suited for temperature sensitive circuits, as well as for use in harsh environments. As a THR, it is suitable for use in high power switching applications where a large amount of energy needs to be dissipated quickly and efficiently.

Design

The CMF55720K00BEBF THR consists of a resistive element, a housing, and a lead frame. The resistive element is made from metal oxide film which provides a low TCR (Temperature Coefficient of Resistance) and high accuracy, while the housing is made of nylon for insulation and protection from moisture and dust. The lead frame provides a secure mount for the THR, so it can be securely attached to a printed circuit board (PCB).

Features

The CMF55720K00BEBF THR offers several features that make it a great choice for a variety of applications. It has a low TCR, providing high accuracy and stability over temperature. It is rated for up to 2000 VDC, which makes it suitable for high voltage applications. It is available in three resistances (20K, 40K, and 50K, respectively) to meet different application needs. It is UL and RoHS compliant, ensuring safe and reliable operation. Finally, it is available in a through-hole package type, making it easy to mount and integrate into existing systems.

Working Principle

The working principle of the CMF55720K00BEBF THR is simple. When current flows through the resistor, it will produce a voltage drop, proportional to the amount of current, across the two terminals. This voltage drop is then used to control the flow of current through the circuit. As current increases, the voltage drop across the THR will also increase, limiting the amount of current that can flow through the circuit.

Conclusion

The CMF55720K00BEBF THR from TE Connectivity is a reliable and effective THR designed for a variety of applications. With its low TCR, high voltage rating, and easy through-hole package, it is ideally suited for applications that require high frequency, high power, and/or high voltage operation. With careful design and implementation, it can be used to ensure safe and reliable operation in temperature sensitive circuits, and in harsh environments.

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