CFR3WSJT-73-27K

Series:	CFR
Packaging:	Tape & Box (TB)
Part Status:	Active
Resistance:	27 kOhms
Tolerance:	±5%
Power (Watts):	3W
Composition:	Carbon Film
Features:	--
Temperature Coefficient:	-350/ +350ppm/°C
Operating Temperature:	-55°C ~ 155°C
Package / Case:	Axial
Supplier Device Package:	Axial
Size / Dimension:	0.197" Dia x 0.610" L (5.00mm x 15.50mm)
Height - Seated (Max):	--
Number of Terminations:	2

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Through Hole Resistors - CFR3WSJT-73-27K Application Field and Working Principle

Through hole resistors, also known as leaded resistors, are a type of electrical component which have become increasingly common in a wide range of applications. They are a passive element, meaning that they don\'t generate electrical energy, but instead provide a device or circuit with the means to regulate or reduce voltage or current.CFR3WSJT-73-27K is one type of through hole resistor, where “CFR” stands for “Composite Film Resistors” and the three digits following it represent the wattage of the resistor. A lower wattage indicates lower power dissipation and a higher wattage indicates higher power dissipation. The “WSJT-73” indicates the physical size of the resistor, with “73” signifying that it is a standard 1-inch long-body SMD resistor with a tolerance of +/- 0.2%. The final letter group “27K” signifies the resistance value of the resistor in ohms.The construction of CFR3WSJT-73-27K through hole resistors mainly consists of four components: the resistive element, non-inductive termination, external threads and insulation. The resistive element is made of a composite film material, usually etched with oxide lasers. This laser-etched film is then rolled onto a roll called the resistive element. Non-Inductive terminations are then adhered to the film and the resistive element is then vacuum sealed in a ceramic or more commonly a molded epoxy encapsulated. The external threads are then added to ensure the free movement of the resistor body. Finally, an insulation layer is added to protect the resistor from environmental elements and shocks and to electrically insulate it.In addition to CFR3WSJT-73-27K through hole resistors, there are also other styles of through hole resistors which are usually specific for certain applications such as high-voltage and high-temperature applications. In applications where high power dissipation is needed, heat sinks can be added to help dissipate the heat generated by the resistor.The working principle of CFR3WSJT-73-27K through hole resistors is relatively simple. When an electrical current passes through the resistor, it will experience a resistance which directly affects the voltage or current of the electrical circuit. By adjusting the resistance, the voltage or current can be regulated or reduced. Although CFR3WSJT-73-27K through hole resistors can be used in many different applications, they are most commonly used for electronic circuits, since their size makes it easy for them to be integrated into a PCB assembly. Due to their impressive reliability and cost-effectiveness, they are also being increasingly used in automotive and aviation industries, as well as for industrial, medical and medical equipment applications. They are also a popular choice in many consumer electronics applications, such as computers, smartphones and television sets.In summary, CFR3WSJT-73-27K through hole resistors are a type of electrical component which is becoming increasingly popular due to its impressive reliability, cost-effectiveness and ease of integration in a variety of electronic circuits. They are mainly used in automotive, aviation and consumer electronics applications, and their working principle is relatively simple.

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