MC18FD221F-F

Series:	MC
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	220pF
Tolerance:	±1%
Voltage - Rated:	500V
Dielectric Material:	Mica
Operating Temperature:	-55°C ~ 125°C
Mounting Type:	Surface Mount
Package / Case:	1812 (4532 Metric)
Lead Spacing:	--
Features:	RF, High Q, Low Loss
Size / Dimension:	0.177" L x 0.126" W (4.50mm x 3.20mm)
Height - Seated (Max):	0.079" (2.00mm)

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Mica and PTFE Capacitors Mica and PTFE capacitors are vital components of power systems, allowing electrical signals and energy to be safely stored, transferred, and regulated. They are commonly used in automotive, medical, aerospace, and even some consumer electronic applications. MC18FD221F-F is a general-purpose mica and PTFE capacitor capacitance, which can be used in various applications to store, transfer, and regulate energy for powering or controlling the desired electrical systems.The MC18FD221F-F is designed to combine the best of both mica and polytetrafluoroethylene (PTFE, or Teflon) as a capacitor material. This combination offers the highest energy storage density and environmental resistance of any capacitor technology. The MC18FD221F-F has a capacitance of 22pF +/-30%. Mica capacitors are made of multiple flat sheets of mica, which are stacked and compressed with PTFE dielectric to form a capacitor device. The stacking of multiple mica sheets forms a finite number of uniform layers, and the small gaps between each layer are filled with the dielectric PTFE, which provides isolation between layers. Because of the superior dielectric properties of this material, the MC18FD221F-F offers extremely stable capacitance and superior mechanical strength.The MC18FD221F-F is ideal for both low frequency and high frequency applications. For low frequency applications, mica capacitors offer low risks of waveform distortion due to their low electrical noise characteristics. High frequency applications most commonly use the PTFE component of the MC18FD221F-F, which provides both excellent heat resistance and high dielectric withstanding voltages. The MC18FD221F-F is also known for its durable and reliable construction, which withstands extreme temperatures, vibrations, and humidity.The working principle of the MC18FD221F-F is based on the electrostatic field effect. When a voltage is applied to the capacitor, an electrical field is created between the two plates. This field stores energy, which later can be discharged when needed. When an electrical signal is applied to two metal plates, one of which is charged with a negative voltage and the other with a positive voltage, a condition of capacitance is created. As the electrical field builds up, it stores energy and the energy is then discharged when the signal is removed.In conclusion, the MC18FD221F-F is a general-purpose mica and PTFE capacitor, providing high performance and reliable stability for various applications. It is built with superior dielectric strength and heat resistance, allowing it to withstand extreme temperatures, vibrations, and humidity. Its working principle is based on electrostatic field effect, which ensures timely and efficient storage and transfer of electrical charge.

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