Allicdata Part #: | BFC246753473-ND |
Manufacturer Part#: |
BFC246753473 |
Price: | $ 0.10 |
Product Category: | Capacitors |
Manufacturer: | Vishay BC Components |
Short Description: | CAP FILM 0.047UF 10% 250VDC RAD |
More Detail: | 0.047µF Film Capacitor 160V 250V Polyester, Metall... |
DataSheet: | BFC246753473 Datasheet/PDF |
Quantity: | 1000 |
Moisture Sensitivity Level (MSL): | 1 (Unlimited) |
Lead Free Status / RoHS Status: | Lead free / RoHS Compliant |
3000 +: | $ 0.08924 |
Operating Temperature: | -55°C ~ 105°C |
Features: | -- |
Ratings: | -- |
Applications: | General Purpose |
Lead Spacing: | 0.394" (10.00mm) |
Termination: | PC Pins |
Height - Seated (Max): | 0.555" (14.10mm) |
Size / Dimension: | 0.492" L x 0.161" W (12.50mm x 4.10mm) |
Package / Case: | Radial |
Mounting Type: | Through Hole |
Series: | MKT467 |
Dielectric Material: | Polyester, Metallized |
Voltage Rating - DC: | 250V |
Voltage Rating - AC: | 160V |
Tolerance: | ±10% |
Capacitance: | 0.047µF |
Moisture Sensitivity Level (MSL): | -- |
Part Status: | Active |
Lead Free Status / RoHS Status: | -- |
Packaging: | Bulk |
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Film Capacitors
Film capacitors, also known as foil capacitors, are standard fixed capacitors and are a type of capacitor that is constructed using layers of metal or plastic film as the dielectric or insulation medium. They are mainly used in high-value identical capacitance, high insulation resistance and high-frequency applications, and film capacitors can also be identified using a product code, such as BFC246753473. This article will discuss the application fields and working principle of BFC246753473.
Application Fields of BFC246753473
The BFC246753473 is designed for use in high-end audio applications, such as power amplifiers, audio pre-amplifiers, and mixing consoles, as well as other electrical systems where a low current-leakage, high dielectric strength, and high reliability are required. Other applications of BFC246753473 include instrument and microphone pre-amplifier, filters, and high-voltage protection circuits.
Working Principle of BFC246753473
The film capacitor, including the BFC246753473, is composed of several layers of plastic or metal foil separated by a thin dielectric layer. When a voltage is applied across the capacitor, the electric field causes a displacement of electrons in the film layers, creating an electric charge. This charge is what produces the capacitance, or the ability of the capacitor to store energy. The size of the capacitance is mainly determined by the physical geometries of the capacitor, such as the size and number of layers, while the dielectric constants of the film material determines the insulation resistance.
When an AC voltage is applied to the capacitor, it will allow current to flow in and out of the capacitor in alternating cycles, increasing and decreasing in accordance with the applied AC voltage, thereby capacitively storing the energy. This is how a film capacitor can be used to filter out the noise from signals, as the AC noise will be absorbed and released with each cycle of the AC voltage, while the wanted DC voltage is not affected. As such, film capacitors are very effective for high-frequency noise filtering applications.
Conclusion
In conclusion, the BFC246753473 film capacitor is mainly used in high-end audio applications, as well as other systems where a low current-leakage, high dielectric strength, and high reliability are required. It works by allowing current to flow in and out of the capacitor in alternating cycles, in accordance with the applied AC voltage, thereby providing effective noise filtering. Film capacitors are also varistors, and the BFC246753473 can be used as a varistor to provide protection against overvoltage discharges.
The specific data is subject to PDF, and the above content is for reference
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