CFR100J680K

Series:	CFR100, Neohm
Packaging:	Tape & Box (TB)
Part Status:	Active
Resistance:	680 kOhms
Tolerance:	±5%
Power (Watts):	1W
Composition:	Carbon Film
Features:	--
Temperature Coefficient:	0/ -700ppm/°C
Operating Temperature:	-55°C ~ 155°C
Package / Case:	Axial
Supplier Device Package:	Axial
Size / Dimension:	0.197" Dia x 0.472" L (5.00mm x 12.00mm)
Height - Seated (Max):	--
Number of Terminations:	2
Failure Rate:	--

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Introduction to Through Hole Resistors
Through hole resistors are essentially resistors that are placed into components like printed circuit boards (PCBs). These typically have larger form factors than their surface-mount equivalents, so they generally take up more space, but this format is often necessary for applications which require higher power demands, and often the resistor requires additional insulation due to these larger power requirements. This type of resistor also benefits from the fact that it can easily be disconnected from the circuit board and replaced, making it a popular choice for applications that need frequent maintenance and repairs.

CFR100J680K Application Field and Working Principle
The CFR100J680K is a type of through-hole resistor, with a power rating of 5.9 Watts and a voltage rating of 250 Volts. It is typically used in automotive, industrial, and telecommunications applications that involve high frequencies, or which have high surge current and/or voltage requirements. The CFR100J680K is also resistant to mechanical shock, vibration, and extreme temperatures, which make it ideal for use in more extreme conditions.

In terms of the working principle, the CFR100J680K functions like any other resistor, in that it reduces the amount of current that passes through a circuit. It does this by adding a form of resistance to the circuit, and thus to the current flowing through it. In this way, it limits the current that passes through the circuit, thus protecting components in the circuit from being damaged by excessive electrical current. It is, however, important to note that resistors also resist voltage, and this needs to be taken into account when selecting the resistor size and type.

Advantages and Disadvantages
Like most other types of resistors, the CFR100J680K has several advantages and disadvantages. One major advantage of this type of resistor is that it has a relatively high voltage rating, meaning that it can provide additional protection against surge currents. It also has excellent insulation properties, which mean that it can be easily installed and disconnected from the circuit board. However, it does have its disadvantages: it takes up far more board space than its surface mount equivalent, and the higher form factor also means that it costs more than its surface mount counterpart.

Conclusion
The CFR100J680K is a through-hole resistor with a power rating of 5.9 Watts and a voltage rating of 250 Volts. Its insulation and mechanical shock and vibration resistance make it an ideal choice for applications involving higher frequencies, and for those that require high surge current and/or voltage requirements. However, it is important to note that this type of resistor has its share of disadvantages – it takes up more board space than its surface mount equivalent, and its higher form factor also means that it is more expensive.

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