Series:	CMR
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	390pF
Tolerance:	±1%
Voltage - Rated:	100V
Dielectric Material:	Mica
Operating Temperature:	-55°C ~ 125°C
Mounting Type:	Through Hole
Package / Case:	Radial
Lead Spacing:	0.150" (3.80mm)
Features:	General Purpose
Size / Dimension:	0.390" L x 0.220" W (9.90mm x 5.60mm)
Height - Seated (Max):	0.382" (9.70mm)

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Mica and PTFE Capacitors

Mica and PTFE capacitors are versatile and useful components used in many electrical systems and applications. The CMR04F391FOAP is a special type of mica and PTFE capacitor that is optimized for use in high power applications, such as electrical motors. This article will explain the application field and working principle of the CMR04F391FOAP as well as its advantages compared to other types of capacitors.Mica and PTFE capacitors are composed of two metallic plates that are separated by a thin layer of mica or PTFE. The mica insulation is designed to have low dielectric losses, which makes it ideal for high-frequency applications. PTFE is a synthetic fluoropolymer which has very low electrical losses and is extremely durable. Due to the combination of these materials, mica and PTFE capacitors have a wide range of capacitance values and low ESR values.The CMR04F391FOAP is a type of mica and PTFE capacitor specifically designed to be used in high power applications. It has an extended voltage of up to 4,000V and is able to handle currents up to 391A. It has a length of 220mm and a diameter of 12.5mm, which allows it to easily fit into even the most restrictive spaces. Additionally, it has a very low ESR of less than 1 Ω, which makes it an efficient energy storage option for high power applications.The CMR04F391FOAP is used in a variety of high power applications, such as AC motor drives, UPS systems, rail systems, and more. The high current and voltage characteristics of the CMR04F391FOAP make it ideal for use in these types of applications. It is also able to handle rapid voltage changes, making it the perfect choice for applications where quick responses are required.The working principle of the CMR04F391FOAP is based on a process known as polarization. When a voltage is applied across the terminals of the device, a small but electric field is created. This field causes the charges within the plates to move and become concentrated at the edges. This displacement of charges is known as polarization and is the basis of how a capacitor stores energy.One of the major advantages of mica and PTFE capacitors is their durability. Unlike other types of capacitors, they are able to withstand temperatures up to 180°C and are not affected by humidity. This makes the CMR04F391FOAP an ideal choice for applications in harsh environments. Additionally, the mica and PTFE materials are resistant to thermal shock, which makes them much more reliable over a long period of time.In conclusion, mica and PTFE capacitors are highly versatile and durable components that can be used in a wide variety of applications. The CMR04F391FOAP is a type of mica and PTFE capacitor that is specifically optimized for high power applications. It has an extended voltage of up to 4,000V and is able to handle currents up to 391A. The working principle of the CMR04F391FOAP is based on a process known as polarization. Additionally, it has a very low ESR of less than 1 Ω, which makes it an efficient energy storage option for high power applications. The high current and voltage characteristics of the CMR04F391FOAP make it the perfect choice for applications requiring quick response. Thanks to its durability and reliability, it is an ideal component for applications in harsh environments.

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