38FD3770

Operating Temperature:	-40°C ~ 70°C
Features:	--
Ratings:	--
Applications:	Motor Run; Power Factor Correction (PFC)
Lead Spacing:	0.813" (20.64mm)
Termination:	Quick Connect, Disconnect
Height - Seated (Max):	4.000" (101.60mm)
Size / Dimension:	3.654" L x 1.969" W (92.81mm x 50.01mm), Lip
Package / Case:	Radial, Can
Mounting Type:	Chassis Mount, Requires Holder/Bracket
Series:	MPF
Dielectric Material:	Polypropylene (PP), Metallized
Voltage Rating - DC:	--
Voltage Rating - AC:	370V
Tolerance:	±10%
Capacitance:	70µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction to Film Capacitors

Film capacitors are widely used in many types of electronic circuits. They are a type of “capacitive” component, meaning that they are able to store a charge through the use of two conductive plates separated by an insulating material. When an alternating current passes through the plates, the insulating material becomes the medium through which charge is stored, and this charge is then released as the current changes direction.Film capacitors are generally used in applications that require precision and accuracy, as they provide greater performance and reliability than other types of capacitors. In addition, film capacitors are widely used in AC circuits, due to their better frequency response.

38FD3770 Film Capacitors

The 38FD3770 film capacitor is a low-cost, high-performance capacitor which is well-suited for many types of applications. Its dielectric material is polyethylene-terephthalate (PET) film, which provides superior performance, especially in high-voltage conditions. The capacitor is constructed using a foil-and-film-type construction, which increases its stability, reliability, and life span.The 38FD3770 has a rated operating temperature range of -40°C to +125°C, and is rated for an AC working voltage of 2.5kV. Its capacitance range is from 0.4μF to 50μF. It is available in various insulation sizes, including 7/8" (22.2mm), 1" (25.4mm) and 2" (50.8mm).

38FD3770 Application Field and Working Principle

The 38FD3770 is commonly used in many applications, including frequency conversion, motor drives, power supplies, and high-performance AC circuits. The capacitor’s low cost, combined with its high reliability and long service life, make it an attractive choice for many types of applications.The working principle of the 38FD3770 is similar to that of any film capacitor. When an alternating current passes through the capacitor’s plates, the insulating material between the plates stores the charge in the form of an electric field. The electric field is then released as the current changes direction. In addition, due to the PET dielectric material, the 38FD3770 is able to withstand higher voltages and higher temperatures than other types of capacitors. This makes the 38FD3770 an ideal choice for applications that require high-voltage and/or high-temperature performance.

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