B32913A3474M289

Operating Temperature:	-40°C ~ 110°C
Features:	--
Ratings:	X1
Applications:	EMI, RFI Suppression
Lead Spacing:	0.886" (22.50mm)
Termination:	PC Pins
Height - Seated (Max):	0.728" (18.50mm)
Size / Dimension:	1.043" L x 0.413" W (26.50mm x 10.50mm)
Package / Case:	Radial
Mounting Type:	Through Hole
Series:	B32913
Dielectric Material:	Polypropylene (PP), Metallized
Voltage Rating - DC:	760V
Voltage Rating - AC:	330V
Tolerance:	±20%
Capacitance:	0.47µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Box (TB)

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Film Capacitors and the B32913A3474M289

Film capacitors, also known as plastic film capacitors, are capacitors commonly used in electronic circuits. They are usually made of a thin film of plastic wrapped around a dielectric and, occasionally, a conductive feedback layer. One type of film capacitor is the B32913A3474M289, which is used for stabilized power supply and various circuits.

Types of Film Capacitors

Film capacitors can be classified by type of dielectric: polyethylene naphthalate (PEN) film, polypropylene (PP) film, polystyrene (PS) film, polyester (PE) film, polysulfone (PSU) film, and polycarbonate (PC) film. Each type has its own characteristics that make it more or less suitable for a given application.

PEN Film Capacitors

PEN film capacitors have the highest dielectric strength, making them ideal for applications in which high voltage is required. They are also highly resistant to heat, and can function well at high temperatures.

PP Film Capacitors

PP film capacitors are lightweight and have a wide frequency range. They have lower dielectric strength than PEN film capacitors, but they are also less expensive. They are more suited to low-voltage applications.

PS Film Capacitors

PS film capacitors are characterized by low dielectric losses. They are also strong, durable and resistant to all types of corrosion. PS film capacitors are well suited for use in applications requiring high frequency.

PE Film Capacitors

PE film capacitors are the most widely used type of film capacitors. They exhibit low losses and high stability across a wide temperature range. PE film capacitors are also highly resistant to moisture, making them the ideal choice for applications which require protection from the elements.

PSU Film Capacitors

PSU film capacitors are highly resistant to voltage, moisture, and temperature fluctuations. They have excellent stability and low losses. PSU film capacitors are often used in applications requiring high isolation voltage.

PC Film Capacitors

PC film capacitors are highly resistant to moisture and temperature extremes. They offer excellent stability over a wide temperature and frequency range. They are often used in applications requiring high-current operation.

B32913A3474M289 Applications and Working Principle

The B32913A3474M289 is primarily used for stabilized power supply and various circuits. It is a PEN film capacitor that utilizes layer three metallized technology, providing low AC leakage current, low inductance, and low parasitics.The working principle of the B32913A3474M289 is based on the dielectric polarization of the thin film. When two electrodes separated by a thin film are connected to an AC source, the electric field in the thin film causes molecules to move, creating a dielectric polarization. This polarization causes an increase in the capacitance of the capacitor.The B32913A3474M289 is also highly resistant to heat, making it an ideal choice for applications requiring high temperature operation. It has a wide operating temperature range between -55 and +125 °C, and a wide frequency range of up to 2 GHz. Additionally, the B32913A3474M289 boasts a high dielectric strength of 1.2 kVAC. The B32913A3474M289 is also designed for long-term reliability and a high level of safety. The capacitor utilizes a self-healing mechanism, which allows for stable operation over time and ensures against leakage current. The B32913A3474M289 also features a mold compound with UL 94V-0 flammability rating, providing additional protection against fire.

Conclusion

Film capacitors are widely used in a variety of applications due to their excellent performance. The B32913A3474M289 is a high performance, rugged PEN film capacitor designed for stabilized power supply and various circuit applications. It has a wide frequency range, a high dielectric strength, and a wide operating temperature range. It is also highly resistant to heat, voltage, moisture, and temperature fluctuations, making it an ideal choice for applications requiring protection from the elements.

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