SFT44T55K391B-F Allicdata Electronics
Allicdata Part #:

SFT44T55K391B-F-ND

Manufacturer Part#:

SFT44T55K391B-F

Price: $ 17.56
Product Category:

Capacitors

Manufacturer: Cornell Dubilier Electronics (CDE)
Short Description: CAP FILM 55UF 10% 440VAC QC TERM
More Detail: 55µF Film Capacitor 440V Polypropylene (PP), Meta...
DataSheet: SFT44T55K391B-F datasheetSFT44T55K391B-F Datasheet/PDF
Quantity: 1000
Moisture Sensitivity Level (MSL): 1 (Unlimited)
Lead Free Status / RoHS Status: Lead free / RoHS Compliant
25 +: $ 15.95520
Stock 1000Can Ship Immediately
$ 17.56
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), Lip
Package / Case: Radial, Can
Mounting Type: Chassis Mount
Series: SF
Dielectric Material: Polypropylene (PP), Metallized
Voltage Rating - DC: --
Voltage Rating - AC: 440V
Tolerance: ±10%
Capacitance: 55µF
Moisture Sensitivity Level (MSL): --
Part Status: Active
Lead Free Status / RoHS Status: --
Packaging: Bulk 
Description

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Film capacitors encompass a category of energy storage capacitors. Film capacitors are typically used within industries such as automotive, medical, consumer and industrial sectors and even in robotics, imaging and audio-video applications. The SFT44T55K391B-F film capacitor model is a particularly popular product within this sector. This article tracks system characteristics, application fields and the working principle of the popular model.

Characteristics and Features:

The specifications of the SFT44T55K391B-F capacitor are as follows:

  • Highly reliable due to hydrophobic coating technology
  • Low impedance
  • Extra compact size
  • High capacitance
  • High voltage
  • High temperature stability
  • High frequency response
  • High insulation resistance

The SFT44T55K391B-F is a miniature film capacitor with a 3×2.5mm SMD package. It is designed for use in applications such as power supplies, decoupling and filtering. It has a temperature range of -55ºC to +105ºC.

Application Fields:

The SFT44T55K391B-F film capacitor is suitable for use in a wide range of applications. Some of the most commonly cited among these include:

  • AC power supplies
  • DC to DC converters
  • DC to AC inverters
  • UPS systems
  • Isolation transformers
  • Power factor correctors
  • Voltage regulators
  • Switching power supplies
  • Motor control
  • LED lighting
  • Cell phones
  • Audio-video equipment

Working Principle:

The SFT44T55K391B-F film capacitor utilizes a combination of dielectric materials and technologies for efficient operation. It uses a combination of polyester and polypropylene to provide a stable electric field. The combination ensures that the capacitor is able to withstand higher voltage outputs, operate with high frequency, and provide excellent insulation properties.

The capacitor consists of a series of layers of thin dielectric film. When a voltage is applied between the layers of film, electrons move through the dielectric films to form an electric field. This electric field then stores electrical energy in the form of an electric charge. The stored charge is what enables the capacitor to act as an energy reserve for a circuit.

The SFT44T55K391B-F capacitor is designed for use on complex circuits. As such, it is capable of withstanding higher voltages and current ratings, while also providing excellent AC ripple attenuation. It also offers excellent frequency response over the whole audio range.

Conclusion:

The SFT44T55K391B-F film capacitor is a highly efficient, reliable and small energy storage device. Its highly reliable hydrophobic coating ensures a long life in harsh environments. Its features - such as low impedance, extra small size and high temperature stability make it an attractive choice for power systems, decoupling and filtering applications, as well as audio-video, robotics, medical and consumer applications.

The specific data is subject to PDF, and the above content is for reference

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