MC12FA820J-TF

Series:	MC
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	82pF
Tolerance:	±5%
Voltage - Rated:	100V
Dielectric Material:	Mica
Operating Temperature:	-55°C ~ 125°C
Mounting Type:	Surface Mount
Package / Case:	1210 (3225 Metric)
Lead Spacing:	--
Features:	RF, High Q, Low Loss
Size / Dimension:	0.126" L x 0.098" W (3.20mm x 2.50mm)
Height - Seated (Max):	0.079" (2.00mm)

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Mica and PTFE Capacitors

Mica and PTFE capacitors are special types of capacitors used for various applications and are available in a wide variety of types, configurations, and sizes.MC12FA820J-TF belongs to this kind of capacitors and is a type of tiny mica dielectric capacitors. MC12FA820J-TF capacitors are typically used in space-restricted applications because of their small size, and are frequently employed as filters for high-frequency applications. This type of capacitor has become increasingly popular due to its combination of good insulation performance and stable electrical characteristics.MC12FA820J-TF capacitors use micromachined mica as its dielectric which is then coated with polytetrafluoroethylene or commonly known as PTFE on its surface. This results in a very low permittivity value, and thus resulting in high-frequency performance. The dielectric also ensures a very high temperature coefficient of capacitance and a very low dielectric constant, so this capacitor works very well with high frequencies.MC12FA820J-TF capacitors are designed to withstand up to 3,000 G mechanical shock when tested with the standard MIL-STD-202F. The capacitance of these capacitors is an especially low value, ranging from 0.001-0.01 µF. The components also have good height capabilities in the range of 0.50 - 1.20 mm.The main application field of MC12FA820J-TF capacitors lies in mobile communication systems, especially in radio and television systems. They are also used in the production of oscillators, filters, and voltage regulation modules in automotive, aviation, and aerospace applications.Another area where MC12FA820J-TF capacitors are very useful are in radios. Their small size and low capacitance makes them ideal for use as filters, coupling capacitors, and bypass capacitors that can be used to reduce signal noise and interference. The working principle of MC12FA820J-TF capacitors is the same as any other capacitor. These capacitors work as a filter to divert current from a higher voltage to a lower one. This is done by the use of two electrical conductors separated by an insulating material, known as the dielectric. When the capacitor is charged, positive ions will be attracted to one plate, while other negative ions will be attracted to the other plate which then forms an electrical field.The value of capacitance of the device is determined by the amount of charge required to induce a potential difference across the two plates. The size of the capacitor will further affect the capacitance value. Normally, the bigger the capacitor, the more charge that is required to induce a potential difference. On the other hand, the smaller the capacitor, the lesser the charge needed. As a result, MC12FA820J-TF capacitors have very low capacitance values.In conclusion, MC12FA820J-TF capacitors are special types of mica and PTFE capacitors that are designed for space-restricted applications. With their small size, good insulation performance, and stable electrical characteristics, they are suitable for use in mobile communications, radio and television systems, and in many other fields. They work using the same principle as any other capacitor with the value of capacitance determined by the size of the device and the amount of charge needed to induce a potential difference across its two plates.

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