MKT1817333254W

Operating Temperature:	-55°C ~ 105°C
Features:	--
Ratings:	--
Applications:	General Purpose
Lead Spacing:	0.197" (5.00mm)
Termination:	PC Pins
Height - Seated (Max):	0.315" (8.00mm)
Size / Dimension:	0.283" L x 0.138" W (7.20mm x 3.50mm)
Package / Case:	Radial
Mounting Type:	Through Hole
Series:	MKT1817
Dielectric Material:	Polyester, Metallized
Voltage Rating - DC:	250V
Voltage Rating - AC:	160V
Tolerance:	±5%
Capacitance:	0.033µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Film Capacitors

Film capacitors are polarized, non-electrolytic capacitors comprised of metalized or foil conductors with dielectric properties that are separated by layers of a flexible polyester film. They include polypropylene, polystyrene, polyethylene naphthalate (PEN), polyphenylene sulfide (PPS) and many more specialty films, each of which has distinct qualities and applications.

The MKT1817333254W film capacitor is one such type, typically used for improving system stability and power signal quality. It has AC ripple current handling capability, low leakage current, and temperature-resistant capabilities that make it suitable for an array of sophisticated electronic applications. The MKT1817333254W also includes ultra-low ESR, providing better regulation of a circuit’s signal quality.

Application Field

A variety of devices employ the MKT1817333254W, including battery-powered medical and industrial instruments, hub converters, switching power supplies, DC/DC converters, AC/DC converters, electrical and electronic equipment, and surge suppressors. This capacitor is also commonly used in audio-visual equipment, including television sets, DVD players, and audio boards.

Working Principle

The MKT1817333254W film capacitor has two metallic plates covered with a layer of dielectric material. The dielectric material is composed of thin layers of polyester film, which separate the two metallic plates and slow the propagation of electric charge, resulting in a charging and discharging effect. In general, the MKT1817333254W acts as a high-frequency filter and offers a variable degree of capacitance at a low voltage.

When an alternating current passes through the capacitor, it causes the capacitor to rapidly switch between charging and discharging cycles. During each cycle, electric charge is stored and then released. The speed and degree by which the capacitor alternates between these two processes is determined by the capacitor’s dielectric properties and the amount of voltage applied.

The MKT1817333254W film capacitor also combines physical structural features and dielectric properties that result in low levels of self-resonance. These features reduce unwanted electrical noise and increase signal repeatability on the output side. The added controllability of MKT1817333254W improves stability and powers the performance of even the most complex electronic applications.

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