CMR05C2R5DPDM

Series:	CMR
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	2.5pF
Tolerance:	±0.5pF
Voltage - Rated:	500V
Dielectric Material:	Mica
Operating Temperature:	-55°C ~ 150°C
Mounting Type:	Through Hole
Package / Case:	Radial
Lead Spacing:	0.224" (5.70mm)
Features:	General Purpose
Size / Dimension:	0.449" L x 0.169" W (11.40mm x 4.30mm)
Height - Seated (Max):	0.358" (9.10mm)

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Mica and PTFE capacitors, such as CMR05C2R5DPDM, have extensive application fields and working principles. This article will introduce the principles and application fields of this type of capacitors.

Working Principle of Mica and PTFE Capacitors

Mica and PTFE capacitors work by storing an electrical charge between two conductive plates, separated by a dielectric material such as mica or polytetrafluoroethylene. The dielectric material acts as an insulator while allowing positive electrical charges to move freely between the two conductive plates. When a voltage is applied to the two plates, electric charge builds up on one plate and a corresponding negative charge builds up on the other, creating a capacitance between them.The capacitance of the capacitor is determined by the size of the plates, the type of dielectric used, and the distance between the plates. By adjusting the size of the plates or the distance between them, it is possible to increase the capacitance of the capacitor. Additionally, by changing the type of dielectric used, it is possible to achieve a different range of capacitance. The most important parameter of mica and PTFE capacitors is their operating temperature range. This type of capacitor is able to handle high temperatures without significantly impacting its capacitance, making them ideal for use in high temperature environments.

Application Field of Mica and PTFE Capacitors

Mica and PTFE capacitors are most commonly used in a variety of electronic applications. They are ideal in high voltage applications due to their ability to handle high temperatures, while also delivering extremely good insulation properties. The high thermal stability of this type of capacitor makes them ideal for use in downstream electronic and electrical applications such as power supplies, UPS systems, and AC/DC conversion.In addition, these capacitors have excellent dielectric properties, making them well suited for high frequency applications such as radio frequency (RF) and microwave systems. The mica and PTFE construction also makes them incredibly reliable in these applications, as they tend to be more reliable than other types of capacitors due to their long-term stability and very low leakage current.Mica and PTFE capacitors can also be used in medical devices and systems, such as pacemakers and defibrillators, as they provide excellent protection from electrical interference. Additionally, these capacitors can be used in automotive and aerospace applications as they can withstand very high temperatures and vibration.

Conclusion

Mica and PTFE capacitors, such as CMR05C2R5DPDM, have a wide range of applications and working principles. These capacitors are able to handle high temperatures and vibration, making them ideal for use in a variety of electronic and electrical applications. Additionally, they have excellent dielectric and insulation properties, making them well suited for high-frequency and medical applications. By understanding the working principles and application field of this type of capacitor, engineers can choose the right components for their specific design requirements.

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