Dielectric Material:	Acrylic, Metallized
Features:	--
Ratings:	--
Applications:	DC Link, DC Filtering
Lead Spacing:	--
Height - Seated (Max):	0.055" (1.40mm)
Size / Dimension:	0.177" L x 0.126" W (4.50mm x 3.20mm)
Package / Case:	1812 (4532 Metric)
Mounting Type:	Surface Mount
Operating Temperature:	-55°C ~ 125°C
Series:	PMLCAP®, ST
Voltage Rating - DC:	63V
Voltage Rating - AC:	--
Tolerance:	±20%
Capacitance:	0.68µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Film Capacitors - 63ST684MC14532 application field and working principle

Film capacitors are much more common than electrolytic capacitors _(1)_. They are small, reliable, lightweight, low cost, and very popular in a wide range of applications in electrical and electronic circuits. The most common type of film capacitor is the polyester one, and from this, the 63ST684MC14532 model is one of the most commonly used film capacitors. This film capacitor is a non-polarized device with a cylindrical container of zinc, which acts as an electrically conductive-shield for the dielectric material. This material is made up of a layer of polyester and two layers of copper, attached for electrical contact-surfaces. The 63ST684MC14532 film capacitor is an axial device with a capacitance range of 0.47nF to 100nF, which makes it ideal for applications where low-loss is desired, such as measuring instruments, low-pass filters, and radio-frequency circuits. These capacitors demonstrate excellent stability of capacitance over frequency and temperature changes._(2)_Its main application field is in electronics used for filtering out high frequencies or suppressing high-frequency noise. When used in audio equipment, it can filter out unwanted low-frequency signals for cleaner sound.

Working Principle

Film capacitors use charge separation to create an electrical field across two conductors (anode and cathode) separated by a dielectric material (insulating material). When a voltage is applied across the two conductors, a field of electrical force is created. This field causes electrons to be either attracted towards or repelled away from the anode, depending on the voltage\'s polarity. When electrons move to either side of the dielectric layer, they cause a charge imbalance, and this difference in charge creates an electrical field across the two conductors.The 63ST684MC14532 film capacitor holds the charges between its anode and cathode plates, providing a capacitance value. This capacitance is measured in Farads and is largely determined by the surface area of the two plates, their distance apart, and the dielectric used.

Conclusion

The 63ST684MC14532 film capacitor is a very popular and reliable device that is used across a wide range of electronic products. It is a non-polarized device and provides an excellent capacitance range for applications where low-loss is desired. Its main application is in the field of filtering high frequencies or suppressing high-frequency noise. This capacitor works by using charge separation to create an electrical field across two conductors, thereby producing a capacitance value. _(1)_https://www.wecelec.com/film-capacitor-fcf-vs-electrolitic-capacitor-ect/_(2)_https://www.conrad.com/datasheet/386379.pdf

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