CDV30EJ470FO3

Series:	CDV30
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	47pF
Tolerance:	±1%
Voltage - Rated:	2kV
Dielectric Material:	Mica
Operating Temperature:	-55°C ~ 125°C
Mounting Type:	Through Hole
Package / Case:	Radial
Lead Spacing:	0.437" (11.10mm)
Features:	General Purpose
Size / Dimension:	0.772" L x 0.252" W (19.60mm x 6.40mm)
Height - Seated (Max):	0.858" (21.80mm)

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Introduction to Mica and PTFE Capacitors

Mica and PTFE capacitors (MP capacitors) are non-polarized electrical components that are widely used in various industrial and consumer electronic devices for their high capacitance, high frequency operation, long service life, low noise, excellent temperature characteristics and low cost of manufacturing. They are usually made from a combination of mica dielectric material and a PTFE (polytetrafluoroethylene) dielectric.

Characteristics of Mica and PTFE Capacitors

Due to their specific construction, mica and PTFE capacitors offer certain benefits for use in various applications. In particular, they offer the following characteristics:

• High capacitance – Mica and PTFE capacitors typically have very high capacitances. The capacitances of these capacitors can range from a few nanofarads to several million microfarads.
• High frequency operation – Mica and PTFE capacitors can operate reliably at frequencies up to several megahertz, making them quite useful for industrial and consumer electronic applications.
• Long service life – Mica and PTFE capacitors are highly reliable and durable components, with some models being rated for over 100,000 hours of operation.
• Low noise – Because they are constructed from non-polarized materials, mica and PTFE capacitors emit very little electrical noise. This makes them ideal for use in noise-sensitive electronic systems.
• Excellent temperature characteristics – Mica and PTFE capacitors are capable of operating in extremely wide temperature ranges, making them suitable for use in both indoor and outdoor applications.
• Low cost of manufacturing – Compared to other types of capacitors, mica and PTFE capacitors are relatively inexpensive to manufacture. This makes them attractive to manufacturers seeking to minimize costs.

CDV30EJ470FO3 application field and working principle

CDV30EJ470FO3 is a popular mica and PTFE capacitor produced by TDK Corporation. It is used in various industrial and consumer electronic applications, including power supply filtering, loudspeaker output filtering, and time delay and protection circuits.The CDV30EJ470FO3 has a rated capacitance of 470pF and a voltage rating of 250 VDC. It is constructed with a mica dielectric material and has an insulation rating of Class D. The capacitor is typically used in high frequency applications due to its excellent frequency characteristics.At its core, the CDV30EJ470FO3 capacitor works by blocking the flow of direct current (DC) while allowing the flow of alternating current (AC). This is accomplished by the capacitor\'s dielectric layers, which are made up of mica and PTFE. When a voltage is applied to the capacitor, the mica and PTFE layers create an electrostatic field across the dielectric material, blocking the flow of direct current while allowing alternating current to pass. As the capacitor charges and discharges, this electrical field changes, thereby creating an electrical capacitance.

Conclusion

Mica and PTFE capacitors are highly reliable electrical components that are used in a wide variety of industrial and consumer electronic applications, due to their high capacitance, high frequency operation, long service life, low noise, excellent temperature characteristics and low cost of manufacturing. The CDV30EJ470FO3 capacitor, produced by TDK Corporation, is an example of a popular mica and PTFE capacitor used in power supply, loudspeaker output, and time delay and protection applications. It has a rated capacitance of 470pF and a voltage rating of 250 VDC. The capacitor works by blocking the flow of direct current while allowing alternating current to pass, thus creating an electrical capacitance.

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