BN074G0472K--

Operating Temperature:	-55°C ~ 125°C
Features:	--
Ratings:	--
Applications:	High Pulse, DV/DT
Lead Spacing:	0.295" (7.50mm)
Termination:	PC Pins
Height - Seated (Max):	0.323" (8.20mm)
Size / Dimension:	0.366" L x 0.130" W (9.30mm x 3.30mm)
Package / Case:	Radial
Mounting Type:	Through Hole
Series:	BN
Dielectric Material:	Polyester, Metallized
Voltage Rating - DC:	250V
Voltage Rating - AC:	115V
Tolerance:	±10%
Capacitance:	4700pF
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Film capacitors, also known as "plastic film capacitors" or "film dielectrics" are capacitors which use a film based dielectric. This type of capacitor is usually made from a plastic film such as polyethylene terephthalate (PET), polyester, polycarbonate or polypropylene, and a metal film (for example, aluminium). They are also referred to as "polyester," "polypro" or "plastic film capacitors."The BN074G0472K is a film capacitor, often referred to as a ‘snubber’ capacitor. It is designed primarily for frequency-dependent smoothing of electrical current in automotive equipment and communications hardware, and is ideal for applications that require a high frequency limit and high voltage isolation.This type of film capacitor is a great solution for electrical current smoothing as it offers low resistance and high breakdown voltage values. They provide efficient energy storage and release cycles, offering high current ripple and surge capability in comparison to alternative capacitor types.The BN074G0472K is a miniaturized dual-layer capacitor element with dielectrics of polypropylene combined with metallized electrodes. Thanks to the unique structure and solid compression of the element, superior voltage breakdown is achieved. The capacitance value of the BN074G0472K is in the range of 47 to 470 pF with a rated voltage of 200V to 500V. The temperature coefficient of capacitance ranges from -100 to +100 ppm/°C.The working principle of the BN074G0472K can be explained as follows: when an electric field is applied between the two electrodes that are separated by the dielectric film, electrical charge accumulates on the surfaces of the film. This charge accumulates can induce an opposite charge on the opposing surfaces, creating an electrical field. As this charge increases, more charge will be accumulated on the opposing surfaces until the electric field becomes strong enough that its energy is equivalent to the energy of the induced voltage.When the voltage reaches a certain level, current will start flowing through the device. This current will cause a constant current through the device and will result in a stabilized load. This current flow will result in a constant charge storage and release cycle that will allow for efficient fluctuations in current without switching off the capacitor.In conclusion, the BN074G0472K is a film capacitor that can be used in a wide range of applications. It provides superior electrical current smoothing and a high frequency limit to efficiently fluctuate current without switching off the capacitor. This makes the BN074G0472K ideal for automotive equipment and communications hardware, and its unique structure ensures reliability and high voltage breakdown.

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