B32529C0333M189

Operating Temperature:	-55°C ~ 125°C
Features:	--
Ratings:	--
Applications:	Automotive; EMI, RFI Suppression
Lead Spacing:	0.197" (5.00mm)
Termination:	PC Pins
Height - Seated (Max):	0.256" (6.50mm)
Size / Dimension:	0.287" L x 0.098" W (7.30mm x 2.50mm)
Package / Case:	Radial
Mounting Type:	Through Hole
Series:	B32529
Dielectric Material:	Polyester, Polyethylene Terephthalate (PET), Metallized - Stacked
Voltage Rating - DC:	63V
Voltage Rating - AC:	40V
Tolerance:	±20%
Capacitance:	0.033µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Introduction to Film Capacitors

Film capacitors, also known as metallized film capacitors, are electrochemical components used in a wide range of applications. They are constructed of dielectric films that are sandwiched between two electrodes, the dielectric being typically a polyester or polycarbonate film. Film capacitors have advantages over other types of capacitors such as electrolytic capacitors and ceramic capacitors, as they provide a high degree of reliability due to their low leakage current and high insulation to ground. In addition, they are able to withstand high voltages, high temperatures, and a wide range of frequencies.

B32529C0333M189 Application Field and Working Principle

The B32529C0333M189 is a film capacitor designed for automotive applications. The B32529C0333M189 is a surface mount capacitors with a leadframe design that provides increased circuit board assembly flexibility.The device has a capacitance of 0.33 microfarads, a capacitance tolerance of 10 percent and voltage range of 25 volts. It also features a self-healing mechanism that provides protection against over-voltage and over-current events. This type of capacitor is also applied as a general purpose output capacitor, providing improved line regulation, ripple rejection, and low ESR (equivalent series resistance).The B32529C0333M189 works by using a dielectric film that acts as an insulator, allowing electrical current to flow while blocking the passage of electrical charge. The electrodes are placed on both sides of the dielectric film and are used to store electrical energy and to block a certain amount of electrical charge. When a voltage is applied across the electrodes, the dielectric film will store the electrical energy, building up a capacitive reactance. This process is known as capacitance and is measured in Farads.When the voltage stops, the energy stored in the capacitor will dissipate by discharging the capacitance through the electrodes in the form of electrical current. The amount of current that is released depends on the capacitance and the amount of voltage applied.

Conclusion

The B32529C0333M189 is a metallized film capacitor that is ideal for automotive applications that require a high level of voltage and frequency. Its features make it ideal for providing line regulation, ripple rejection, and low ESR. The capacitor is able to withstand high temperatures and provides a high degree of reliability due to its low leakage current and high insulation to ground.

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