MC22FF391D-TF

Series:	MC
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	390pF
Tolerance:	±0.5%
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:

MC22FF391D-TF

Mica and PTFE (Polytetrafluoroethylene) capacitors are manufactured from dielectric plates of either mica or PTFE to provide a low-loss, stable, and durable insulation. The MC22FF391D-TF is a popular product in this field. Its wide temperature range, high self-resonant frequency, high dielectric strength, and excellent humidity resistance make it an ideal choice for a variety of applications.

Application Field:

The MC22FF391D-TF is suitable for many kinds of applications. It is an excellent choice for high-frequency and microwave applications due to its low-loss character and high self-resonant frequency. It is also suitable for filtering applications and medical instrumentation due to its high dielectric strength and excellent humidity resistance. Furthermore, its temperature range from -55°C to +125°C makes it suitable for temperature-controlled broadcast systems and harsh environmental applications.

Working Principle:

Mica capacitors are made up of two plates of mica of different thicknesses, separated by a thin layer of insulation. The thicker plate is the anode, and the thinner plate is the cathode. The electric field thus created between the two plates causes an electric charge to be stored in the capacitor.PTFE capacitors are made up of two dielectric layers of PTFE, separated by an interlayer between them. The interlayer between the two PTFE layers is composed of PTFE and an organic binder, and can act as a kind of heat-resistant platform for the PTFE layers. Due to the unique properties of the mica and PTFE dielectrics, capacitors of both types are very stable and can operate at frequencies up to several hundred MHz. Compared to ceramic and electrolytic capacitors, mica and PTFE capacitors have a much better stability and reliability.

Summary:

The MC22FF391D-TF is a popular mica and PTFE capacitor from a leading manufacturer. This product has excellent temperature range, high self-resonant frequency, high dielectric strength, excellent humidity resistance, making it an ideal choice for a variety of applications. Mica capacitors consist of two metal plates separated by a thin layer of insulation, and PTFE capacitors consist of two layers of PTFE separated by an interlayer of PTFE and an organic binder. Due to their unique properties, mica and PTFE capacitors have a much better stability and reliability compared to ceramic and electrolytic capacitors.

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