Metalized Capacitors are available with different values of general and value ratings. They are used for DC pulsation, pulse, and AC voltage reduction in instruments, meters, TV sets, and household electrical appliances. We are looking for bulk inquiries for Metallized Polyester Capacitor, MEA Series axial capacitors, etc. Axial film capacitors are a type of electronic component used in electrical circuits for storing and releasing electrical energy. They are often called axial capacitors because of their construction, where the capacitor’s leads or terminals are located at opposite ends of the cylindrical body, aligned along the capacitor’s axis.
Wound with axial film capacitors, lead axial leads, wrapped in heat tape, both ends of the liquid epoxy potting, circular or cylindrical shape is flat, low noise.
Simple structure and ease of usage make this product very user-friendly.
Specifications: 630V voltage, 0.022uF capacity, 5.7mm (0.22 in) diameter, and 15.3mm (0.6 in) body length are the specifications for the capacitor.
High performance polyester film capacitor with steady properties.
Ideal for electronic experts and hobbyists, this is a good pick.
Application: Fit for vintage radios and tube amplifiers.
Film capacitors are a type of capacitor that has a cylindrical shape and leads that extend from each end of the cylinder. Some of the key features of film capacitors include:
Overall, axial film capacitors are reliable and cost-effective components that are commonly used in a wide range of electronic applications, including power supplies, filters, and timing circuits.
Polyster film—The axial capacitor is constructed of premium polyester film, which is sturdy, long-lasting, difficult to damage, and has a long useful life.
The axial film capacitors lightweight has a light design and straightforward construction. The numbers are legible, making them simple and comfortable for you to use.
The film capacitors are excellent choices for vintage radios and tube amplifiers. It’s a common addition to mechanical and electrical equipment.
Best choice For electronic experts or hobbyists, this capacitor is a great option. You must not miss it if you genuinely enjoy operating hands-on or building your own electrical devices.
Dielectric: Polyester film
Electrodes: Vacuum-evaporated metal
Coating: Out-wrapped with Mylar tape and ends sealed with epoxy resin
Leads: Axial leads of tinned wire
Reference standard: IEC 384-2 grade 1; SJ/T 10873-1996
Climatic catalog: 40/85/21 (From 85 up to 105°C with derating voltage 1.25%/°C)
Capacitance tolerance: M=±20%, K=±10%, J=±5%
Dissipation factor (tangent of loss): C≤1.0uF DF ≤0.8%
C>1.0uF DF ≤1% (at 20°C, 1kHz)
Voltage-proof: 1.6*UR Unit: VDC (5s at 20°C)
Insulation resistance:
C≤0.33uF IR: ≥15,000MΩ
C>0.33uF IR*C: ≥3,000S (1 minute at 20°C and RH≤65%)
Endurance:
1,000 hours with 150% of rated voltage at 85°C
After the test: ∆C/C ≤8%, ∆DF≤0.30%(C>1 uF);
∆DF≤0.50%(C≤1 uF);
IR ≥0.5% of the specified value (20°C, 1kHz)
Dedicated metallized film capacitor manufacturer, established in 2007. We have established an industry zone which area is nearly more than 10000 square meters and annual production of about 1 billion film capacitors production and supply capacity. We have passed the “ROHS” test of ISO9001 quality management system certification. Our main products include the metallized polyester film capacitor (CL21), metallized polypropylene film capacitor (CBB21), box-type metallized polypropylene film capacitor (CBB21B), box-type subminiature metallized polyester film capacitor (CL23B), axial metallized polyester film capacitor (CL20), axial metallized polypropylene film capacitor (CBB20) and RC components, miniaturization of safety and other series products. Above product series, we can do the 5mm pitch products, which is advantage products in China.
Axial film capacitors are a type of passive electronic component widely used in various circuits due to their efficient energy storage, stability, and versatility. Their distinctive design and characteristics make them valuable components in a wide range of applications. This article delves into the construction, advantages, and applications of film capacitors.
Axial film capacitors are constructed by winding thin plastic film coated with a metal electrode into a cylindrical shape. The winding process ensures that the electrode layers are evenly spaced and separated by the dielectric film. The capacitor’s value is determined by factors like the dielectric constant of the film, its thickness, and the surface area of the electrode. The leads, attached at opposite ends of the cylinder, are often axially oriented, giving these capacitors their name.
High Capacitance and Voltage Ratings: Film capacitors offer a wide range of capacitance values and voltage ratings, making them suitable for both low-power and high-power applications.
Stability and Reliability: These capacitors exhibit stable performance over a wide range of temperatures and frequencies, making them reliable components in various circuit designs.
Low Dissipation Factor: Axial film capacitors have low losses, which means they efficiently store and discharge energy without significant energy loss as heat.
Compact Design: The cylindrical shape and compact size of film capacitors allow for easy integration into circuit boards, even in tight spaces.
Long Lifespan: Properly manufactured film capacitors can have a long operational life, contributing to the longevity of electronic systems.
Power Supply Filtering: Film capacitors are commonly used in power supply circuits to filter out noise and voltage fluctuations, ensuring a stable DC voltage output.
Coupling and Decoupling: They are employed in coupling and decoupling applications, allowing AC signals to pass while blocking DC components or noise.
Timing and Oscillation Circuits: In timing and oscillation circuits, axial film capacitors play a role in determining the frequency and stability of oscillations.
Signal Processing: These capacitors are used in signal processing circuits, including audio filters, tone control circuits, and equalizers.
Pulse Power Systems: Film capacitors are valuable in pulse power systems where rapid energy discharge is required, as seen in pulsed lasers, radar systems, and electromagnetic pulse generators.
Voltage and Current Ratings: Choose film capacitors with appropriate voltage and current ratings to avoid overloading and potential failures.
Temperature and Environment: Consider the operating temperature range and environmental conditions of your application to ensure the capacitor’s performance remains stable.
Dielectric Material: Different dielectric materials have varying temperature stability and dielectric constants. Select the appropriate type for your application’s requirements.
Lead Orientation: Be mindful of the axial lead orientation when soldering and mounting the capacitors onto circuit boards.
Axial film capacitors are crucial components in electronic circuits, contributing to various applications due to their reliability and stable performance. While they generally require minimal maintenance, following proper guidelines can help ensure their longevity and consistent functionality. Here’s a maintenance guide for film capacitors:
Storage:
Handling:
Cleaning:
Voltage and Current Ratings:
Temperature Considerations:
Dielectric Material:
Circuit Design:
Soldering:
Insulation and Encapsulation:
Aging and Replacement:
Electrostatic Discharge (ESD):
Axial film capacitors stand as reliable and versatile components in modern electronics, offering a combination of stable performance, efficiency, and compact design. Their use in power supply filtering, signal processing, and timing circuits underscores their importance in diverse applications. As technology advances, film capacitors continue to play a pivotal role in enabling efficient energy storage, signal manipulation, and circuit stability. By selecting the right axial film capacitors for specific applications and adhering to best practices in design and installation, engineers can ensure the optimal performance and longevity of their electronic systems.
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