| Allicdata Part #: | SFT66T17.5K391B-F-ND |
| Manufacturer Part#: |
SFT66T17.5K391B-F |
| Price: | $ 0.00 |
| Product Category: | Capacitors |
| Manufacturer: | Cornell Dubilier Electronics (CDE) |
| Short Description: | CAP 660VAC 2 1/2" ROUND QC TERM |
| More Detail: | 17.5µF Film Capacitor 660V Polypropylene (PP), Me... |
| DataSheet: |  SFT66T17.5K391B-F Datasheet/PDF |
| Quantity: | 1000 |
| Moisture Sensitivity Level (MSL): | 1 (Unlimited) |
| Lead Free Status / RoHS Status: | Lead free / RoHS Compliant |
| 1 +: | 0.00000 |
Specifications
| Operating Temperature: | -40°C ~ 70°C |
| Features: | -- |
| Ratings: | -- |
| Applications: | Motor Run |
| Lead Spacing: | 0.810" (20.57mm) |
| Termination: | Quick Connect, Disconnect |
| Height - Seated (Max): | 4.030" (102.36mm) |
| Size / Dimension: | 2.620" Dia (66.55mm) |
| Package / Case: | Radial, Can |
| Mounting Type: | Chassis Mount |
| Series: | SF |
| Dielectric Material: | Polypropylene (PP), Metallized |
| Voltage Rating - DC: | -- |
| Voltage Rating - AC: | 660V |
| Tolerance: | ±10% |
| Capacitance: | 17.5µF |
| Moisture Sensitivity Level (MSL): | -- |
| Part Status: | Active |
| Lead Free Status / RoHS Status: | -- |
| Packaging: | Bulk |
Description
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Film capacitors, also known as plastic film capacitors and film dielectric capacitors, are devices used to store electric energy, like other types of capacitors, due to their capacity to maintain an electric charge. However, unlike other types of capacitors, film capacitors make use of a film dielectric material instead of a paper insulated foil element. One of the most popular film capacitor types is the SFT66T17.5K391B-F film capacitor, which is widely used in a variety of applications.
The SFT66T17.5K391B-F film capacitor is mainly used in high voltage and high current applications, such as high-voltage power supplies, power curve compensation, electromagnetic probes, and high-pressure discharge tube driver applications. Its main characteristics include a high insulation resistance, low thermal and dielectric absorption, low equivalent series inductance and excellent frequency characteristics. Furthermore, traditional leaded SFT66T17.5K391B-F film capacitors are manufactured from a proprietary polyester/polypropylene film, allowing them to have a high withstand voltage capability of up to 7000 volts ac (VAC). In addition, their low dissipation factor and temperature coefficient of capacitance ensure the performance and reliability of these film capacitors.
In terms of working principle, the SFT66T17.5K391B-F film capacitor generally works by allowing charge to pass through the capacitor\'s body made from the proprietary polyester/polypropylene film. When an electric field is generated between the two terminals of the capacitor, its electric field will cause the dielectric to break down. This breakdown will generate an electric charge, which is eventually transferred to a dielectric layer at the interface of two terminals. This charge will form a dielectric field and eventually, the capacitor can store the electric energy.
Since film capacitors can be designed to meet specific requirements, they are ideal for high voltage applications, including lighting, motor control, power supply, household appliances and automotive. As one of the most widely used film capacitors, the SFT66T17.5K391B-F film capacitor is particularly suitable for motor control, power conversion systems and other AC power circuits. Some of the main advantages of this film capacitor include excellent noise reduction and vibration absorption performance, high insulation resistance, low cost, and thermal and dielectric absorption. So, this film capacitor can greatly improve the performance of the electric/electronic devices.
The specific data is subject to PDF, and the above content is for reference
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