CD4FD121FO3

Series:	CD4
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Capacitance:	120pF
Tolerance:	±1%
Voltage - Rated:	500V
Dielectric Material:	Mica
Operating Temperature:	-55°C ~ 125°C
Mounting Type:	Through Hole
Package / Case:	Radial
Lead Spacing:	0.098" (2.50mm)
Features:	RF, High Frequency
Size / Dimension:	0.291" L x 0.110" W (7.40mm x 2.80mm)
Height - Seated (Max):	0.240" (6.10mm)

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Mica and PTFE Capacitors

The combination of mica and polytetrafluoroethylene (PTFE) has been an important advancement in capacitor development. From audio and high-frequency equipment to power supplies and high voltage capacitors, these capacitors provide unmatched performance. CD4FD121FO3, a mica and PTFE capacitor, is a representative of this evolving technology and it provides superior performance in wide-ranging applications.

Application Fields

CD4FD121FO3 is a popular choice for high voltage applications and power supplies. The capacitor combines the low dielectric constant of mica with the high insulating voltage of PTFE making it an ideal choice for applications requiring high working voltages. CD4FD121FO3 is used in aerial transmission line equipment, electronic lighting systems, and many other high voltage applications.Another common application is in radio and high-frequency equipment. The combination of mica and PTFE in CD4FD121FO3 gives it an exceptional ability to handle high frequencies up to 1000MHz. This makes it ideal for designs that need sharper signal characteristics and that require higher signal performance. It eliminates the interference and oscillation of other capacitors and ensures higher stability of the design.

Working Principle

CD4FD121FO3 operates by using a combination of mica layers and PTFE layers and under high temperatures, the mica layers expand while the PTFE layers do not. This creates an alternating pattern of metal layers and dielectric layers, which create a multiple internal capacitance that cannot be achieved with other types of capacitors.The design of CD4FD121FO3 also reduces the effect of plasticizers or other impurities in the dielectric layers. It also reduces the signal interference of the electrodes, making it one of the most reliable capacitors in the market. Additionally, the dielectric layers are made with an ionic structure, which improves the heat conduction properties.

Conclusion

CD4FD121FO3 is clearly an exemplary combination of mica and PTFE, which provides superior performance for a variety of applications. It offers exceptional capabilities in high voltage applications, radio and high-frequency equipment, and other areas that require higher signal performance. In addition, the internal design of the capacitor provides improved heat conduction and reduces the signal interference of the electrodes. With its superior performance, CD4FD121FO3 is set to become a popular choice among engineers.

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