MC18FD251J-TF

Series:	MC
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	250pF
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 top-of-the-line components that can be used in a variety of applications. They are among the most reliable components available in the industry today and provide benefits such as low leakage current, high temperature stability, and low capacitance variation with temperature. The MC18FD251J-TF is a great example of a mica and PTFE capacitor that offers great performance for its intended purpose. The MC18FD251J-TF is a high quality, mica and PTFE based capacitor that is specifically designed for telecommunications applications. It has a maximum capacitance of 18 pF at 1 kHz with a tolerance of ±0.5 pF and a voltage rating of 5 kV. The combination of mica and PTFE makes for a superior dielectric, providing excellent performance over wide temperature ranges and good capacitance stability under high temperatures. In addition, the capacitor has a relatively low equivalent series resistance (ESR) of less than 0.25 ohms. In terms of its application fields, the MC18FD251J-TF is most commonly used in telecommunications systems, such as mobile base stations and radio frequency (RF) communications devices. Because of its low leakage current, it is often used in RF circuits for both switching and tuning, providing stable operation even under high temperatures. The high temperature stability also makes it a great choice for applications that require a steady performance in extended temperature ranges, such as avionics pneumatic control systems and aerospace electronics. The working principle of the MC18FD251J-TF is relatively simple. Like any other capacitor, it stores electrical energy between two conductors, typically metal plates, and creates a potential difference across itself. The dielectric material between the plates increases the capacitance and prevents current from flowing through the capacitor. In the case of the MC18FD251J-TF, the plates are made of a combination of mica and PTFE, which increase the capacitor’s ability to store electrical energy and its high temperature tolerance. The MC18FD251J-TF capacitor is an excellent choice for any application requiring reliable performance and high temperature stability. Its low ESR and high capacitance make it perfect for RF applications, and its combination of mica and PTFE dielectrics make it suitable for extended temperature ranges. With such great performance, the MC18FD251J-TF is a great asset to any circuitry.

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