MCH38FM680J

Series:	MCH
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	68pF
Tolerance:	±5%
Voltage - Rated:	4kV
Dielectric Material:	Mica
Operating Temperature:	-55°C ~ 125°C
Mounting Type:	Surface Mount
Package / Case:	Nonstandard SMD
Lead Spacing:	--
Features:	RF, High Q, Low Loss
Size / Dimension:	0.380" L x 0.380" W (9.65mm x 9.65mm)
Height - Seated (Max):	0.120" (3.05mm)

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MCH38FM680J capacitor is a special type of mica and PTFE capacitors, highly reliable and typically used when low dissipation and temperature stability is required. This model is used in many electronic and industrial applications. Mica capacitors are constructed from two thin mica dielectric layers sealed with silver paste in between, providing them a low temperature coefficient and good frequency stability. The dielectric layer is composed of silver-doped mica, which has a much lower temperature coefficient and greater stability than other dielectric materials such as polyethylene. The resulting capacitors have an increased temperature stability and low dissipation factor, making them very reliable in extreme conditions. Meanwhile, PTFE capacitors are highly efficient and feature a low ESR, providing reliable performance and stability in high frequency electronic circuits. These capacitors are made from two thin Teflon layers with a thin metal layer between them, providing them with a higher insulation resistance and better temperature stability than traditional electrolytic capacitors. PTFE capacitors are commonly used in radio frequency applications such as cell phones and other wireless electronic devices. The MCH38FM680J capacitor features a combination of the mica and PTFE dielectric layers. This provides it with low dissipation factor and excellent frequency stability, as well as high insulation resistance and temperature stability. This makes it suitable for many applications in which reliability and performance are paramount such as automotive electronics, aerospace controller systems, military, medical and consumer electronics. In terms of its working principle, MCH38FM680J capacitors are built on an insulated ceramic substrate and coated on both sides with a thin metal foil. The metal foil is then joined to the surrounding substrate using a conductive binder, providing connection to the inside and outside of the dielectric material. The electrical charge is stored separately on each side of the dielectric material, providing a dielectric medium for protection against power surges and voltage shifts. This type of capacitor is most commonly used in applications such as filtering and decoupling signals, as well as regulating the currents and voltages for efficient operation.Overall, MCH38FM680J capacitors are part of the family of mica and PTFE capacitors, offering highly reliable performance and stability in extreme conditions. These capacitors are used in many applications in automotive, aerospace, medical and consumer electronics, as well as military. Their low dissipation factor and temperature stability make them suitable for many electronic applications in which reliability and performance are essential.

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