MC22FF681J-F

Series:	MC
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	680pF
Tolerance:	±5%
Voltage - Rated:	1kV
Dielectric Material:	Mica
Operating Temperature:	-55°C ~ 125°C
Mounting Type:	Surface Mount
Package / Case:	2220 (5750 Metric)
Lead Spacing:	--
Features:	RF, High Q, Low Loss
Size / Dimension:	0.224" L x 0.197" W (5.70mm x 5.00mm)
Height - Seated (Max):	0.157" (4.00mm)

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Mica and PTFE Capacitors

Mica and PTFE capacitors are special type of capacitors, which are typically a combination of mica and polytetrafluoroethylene (PTFE). They offer high dielectric constants and a very wide temperature range, which makes them popular for many industrial applications. The MC22FF681J-F is one such capacitor and has a range of applications and a working principle that is described in this article.

Types of Mica and PTFE Capacitors

Mica and PTFE capacitors come in several different types. The main types of mica and PTFE capacitors are film capacitors, foil capacitors, mica disc capacitors, and axial lead mica capacitors. Film capacitors are constructed using thin plastic film and are mainly used for frequencies from 6kHz to 60MHz. Foil capacitors are constructed using metal foils and are designed for use in power electronic devices. Mica disc capacitors are constructed using mica and metal foils and are designed for high stability and reliability. Lastly, axial lead mica capacitors are constructed using mica and lead wires and are designed for use in circuits with high resistance.

Putting Mica and PTFE Capacitors to Use

Mica and PTFE capacitors have a range of applications where their properties make them beneficial. The most common applications of these capacitors are in medical equipment, high voltage supplies, control and regulation systems, test and measurement equipment, lighting, LED lighting, avionics, and telecommunications. These capacitors can also be used in automobiles and home appliances such as TVs, microwaves, and dishwashers.

MC22FF681J-F Application and Working Principle

The MC22FF681J-F capacitor is a foil and mica capacitor, which is designed for use in medical and electronic equipment. It has a wide operating temperature range of -40°C to +125°C and a rated capacitance of 821pF. It is rated for a maximum working voltage of 63V and can handle a maximum peak current of 100mA.The working principle of the MC22FF681J-F is to store energy in the form of electrical charge on two conductors (plates) that are separated by a dielectric (insulating material). When the voltage between the two plates changes, the capacitance of the capacitor will also change, resulting in a change in the electric current flow. This can be used as a way to control the amount of power delivered to a circuit.

Conclusion

Mica and PTFE capacitors, such as the MC22FF681J-F, are a popular choice for many industrial applications due to their high dielectric constants and wide temperature range. They can be used in medical and electronic equipment, high voltage supplies, control and regulation systems, test and measurement equipment, and lighting. The working principle of these capacitors is to store energy in the form of electrical charge on two separate conductors and to adjust the amount of power delivered to a circuit by adjusting the voltage between the two plates.

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