B32522C0475M000

Operating Temperature:	-55°C ~ 125°C
Features:	--
Ratings:	--
Applications:	Automotive; EMI, RFI Suppression
Lead Spacing:	0.591" (15.00mm)
Termination:	PC Pins
Height - Seated (Max):	0.492" (12.50mm)
Size / Dimension:	0.709" L x 0.276" W (18.00mm x 7.00mm)
Package / Case:	Radial
Mounting Type:	Through Hole
Series:	B32522
Dielectric Material:	Polyester, Polyethylene Terephthalate (PET), Metallized - Stacked
Voltage Rating - DC:	63V
Voltage Rating - AC:	40V
Tolerance:	±20%
Capacitance:	4.7µF
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Film Capacitors and B32522C0475M000 application field and working principle

Film capacitors are one type of capacitors mainly composed of metal foils and plastic film as the electrodes and dielectric materials, using metal foil and plastic film that are cross-linked and insulated to form electrolyte and oxide film or masking as a medium, and stacking capacitors to form capacitive components to store electrical energy.B32522C0475M000 is a metallized polypropylene film capacitor series developed by EPCOS. This capacitor series has a nominal capacitance of 0.47uF and is rated for operation at a maximum temperature of 85°C. It has a wide temperature range of -55°C to + 125°C and an operating temperature of – 40°C to +85°C. The most common applications for this part are high temperature pulse applications in audio equipment. In terms of working principle, the film capacitor mainly uses the faraday principle, which is metallic and dielectric materials in the capacitor structure, forming a positive and negative pole on both side of the film, and under the action of external voltage, the positive and negative charges move to the opposite poles at a certain speed and accumulate there. When the accumulation reaches a state of equilibrium, an electrostatic field will be formed in the capacitor, thus achieving the effect of storing static electricity.The core material of the film capacitor is a thin film made of plastic material, but its dielectric performance is very good, and usually the capacitor capacity can reach very high. It has the characteristics of low capacity temperature coefficient, small size, light weight, high insulation resistance, low loss and high stability.Therefore, it is widely used in a variety of different fields. In the audio industry, the polypropylene film capacitor is very popular. This type of capacitor can provide high-quality audio output, and can also be used in digital audio devices, and as the oscillator element of radio communication devices. In addition, they can also be used in DC-DC converters, instrument meters, high-frequency communication devices, etc. In the industrial field, B32522C0475M000 is usually used in anti-interference filters, PWM controllers, vibration separator circuits, and other places.The film capacitor also has certain limitations. First, it is difficult to miniaturize. Because of the current high level of material production and industrial production, the size of the film capacitor has gradually shrunk, but the cost is still relatively high. In addition, because the film capacitor is a linear device, it has a very small reactive power and it can’t be used as a power supply for power conversion.In conclusion, the B32522C0475M000 is a high quality film capacitor which is mainly used in high temperature pulse applications in audio equipment and in industrial applications such as anti-interference filters, PWM controllers, vibration separator circuits. It has excellent dielectric performance and can provide high-quality audio output. However, it also has limitations in terms of cost and miniaturization.

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