MMWA4P47K-F

Operating Temperature:	-55°C ~ 125°C
Features:	--
Ratings:	--
Applications:	General Purpose
Lead Spacing:	--
Termination:	PC Pins
Height - Seated (Max):	--
Size / Dimension:	0.433" Dia x 1.185" L (11.00mm x 30.10mm)
Package / Case:	Axial
Mounting Type:	Through Hole
Series:	MMWA
Dielectric Material:	Polyester, Metallized
Voltage Rating - DC:	400V
Voltage Rating - AC:	200V
Tolerance:	±10%
Capacitance:	0.47µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction

Film capacitors have a wide range of applications across many industries. In particular, the MMWA4P47K-F film capacitor is widely used in electronic circuits, due to its strict operating characteristics and stability. This article will discuss the application field and working principle of the MMWA4P47K-F film capacitor.

Application Field

The MMWA4P47K-F film capacitor is typically used in applications requiring small form factor, low ESR (equivalent series resistance), high-frequency, high-precision, and stability. These features make it the perfect choice for power supply filtering, noise filtering, and holding circuits in remote control systems, digital cameras, and toys. Its small form factor also makes it an ideal choice for applications that require space savings, such as laptop computers and mobiles. Due to its low ESR, it is also well suited for a variety of noise filtering applications, such as EMI (electromagnetic interference), switch mode power supplies, and voltage stabilizers. Its high-frequency capabilities make it an excellent fit for applications that require low insertion losses, such as cellular communication systems and satellite communication systems. Furthermore, its high-precision and stability make it an ideal choice for circuits that need to maintain a high degree of accuracy.

Working Principle

The MMWA4P47K-F film capacitor consists of an oxide dielectric material sandwiched between two thin metal layers. A voltage applied across the metal layers causes charges to accumulate on the inner surface of the metal layers, creating an electric field across the oxide dielectric material. This electric field causes an electric dipole polarization, meaning that the dielectric material becomes polarized and begins to store electric energy. This energy is then used to supply current during certain phases of the capacitor’s operation. This is possible due to the fact that the electric field across the oxide dielectric material can be changed quickly in order to respond to changes in the voltage applied across the metal layers. This makes the MMWA4P47K-F film capacitor an excellent choice for applications that require a fast response time.

Conclusion

The MMWA4P47K-F film capacitor is an ideal choice for applications that require small form factor, low ESR, high-frequency, high-precision, and stability. Its low ESR makes it well suited for noise filtering, while its high frequency capabilities make it an excellent fit for low insertion loss applications. Furthermore, its high-precision and stability make it an ideal choice for circuits that need to maintain a high degree of accuracy.

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