MC18FD391J-T

Series:	MC
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Obsolete
Capacitance:	390pF
Tolerance:	±5%
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 are two of the most common types of capacitors used in electronic circuits. They are also known as \'ceramic/mica capacitors\' and \'polytetrafluoroethylene capacitors\' respectively. MC18FD391J-T is a popular mica and PTFE capacitor.The MC18FD391J-T is a surface mount multi-layer mica capacitor, along with polytetrafluoroethylene (PTFE) as the insulation material. This combination makes it suitable for use in high frequency applications and provides excellent performance. The MC18FD391J-T is made of sintered metal oxide dielectric materials, which have high breakdown strength and excellent thermal stability. The capacitor has a wide range of capacitance values from 0.001pF to 47PF with a rated voltage range of 5V to 1000V.The MC18FD391J-T is a versatile mica and PTFE capacitor and is suitable for many applications. Its wide capacitance range, high breakdown strength and excellent temperature stability make it ideal for high frequency applications such as RF filters, oscillators, amplifiers, and voltage controlled oscillators (VCOs). In addition, its small size and light weight make it well-suited for high-density circuit boards and reduced noise circuit designs.In terms of working principle, the MC18FD391J-T follows the same principles as any other capacitor. It consists of two or more conducting plates that are separated by a dielectric material. When connected to a voltage source, electricity moves through the capacitor in a way that increases the electrical charge on one plate while at the same time decreasing the electrical charge on the other plate. This process allows the capacitor to store energy temporarily and releases it back when the voltage is removed.In conclusion, the MC18FD391J-T mica and PTFE capacitor is an incredibly useful and reliable component in electronic circuits. It offers high capacitance values, a wide voltage range, excellent temperature stability, and a small physical size, making it one of the most versatile components available. As an added bonus, it follows a well-understood working principle, allowing engineers to easily incorporate it into their designs.

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