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Metalized Polyester Film Capacitor

Your Professional Metalized Polyester Film Capacitor Supplier

Zhongzheng electronic was founded in 2007 and is a company that integrates research and development, production, and marketing. The company is located in Yueyang, Hunan and Panyu, Guangzhou. At the beginning of the company's entrepreneurship, with the spirit of "customer first, forge ahead", we focused on the research and production of ultra small, highprecision, and high-quality series of thin film capacitors.

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Why Choose us

Customization

We have accumulated extensive experience in providing stable and reliable products and customized services to over 300 agents and 1,500 end customers. Gradually, we have developed into a highly influential enterprise within the industry.

Advanced Production Equipment

We utilize more than 100 sets of cutting-edge domestic and international production equipment that comply with industry process standards, as well as two sets of standardized laboratory equipment.

Complete Product Qualifications

Our product qualifications include ISO, ROHS, REACH, UL, ENEC, and CQC certifications.

Specification

Climatic Category	55/085/21
Rated Voltage	63V,100V,250V,400V,630V
Capacitance Range	0.0010Μf ~5.6μF
Capacitance Tolerance	±5%(J), ±10%(K)
Voltage Proof	1.6U_R
Insulation resistance	≥3000MΩ, CR≤0.33μF(20℃,1min) ≥10000S, CR>0.33μF (20℃, 1min)
Tangent of loss angle	≤0.008 %(20℃,1KHZ)

Ordering Process

6 standardized and easy steps from getting a quote to shipment.

01/

Get a Quote
Please request a quote through our website and inquire about customization options.

02/

Request Sample
Please request samples in advance to gain a comprehensive understanding of the product's materials and features prior to placing bulk orders.

03/

Place Your Order
Place an order of your choice after selecting your preferred shipping option.

04/

Start Production
Production will commence after design approval; it takes about 3-4 weeks.

05/

Quality Inspection
After production is complete, the products undergo quality testing.

06/

Shipping
The order is ready for dispatch to your location. Once it has been shipped out, we will inform you of the tracking information.

Benefits of Metalized Polyester Film Capacitor

High capacitance

Metalized polyester film capacitors have a high capacitance value, which allows for better energy storage capacity. This makes them ideal for use in power electronics and high-frequency circuits.

Low dielectric loss

Metalized polyester film capacitor has low dielectric loss, which means that they can store energy for longer periods without losing it. This makes them ideal for use in circuits that require high stability and accuracy.

Long lifespan

Metalized polyester film capacitor has a long lifespan, thanks to their robust construction and low failure rates. This makes them ideal for use in critical applications where failure is not an option.

Self-healing properties

Metalized polyester film capacitor has self-healing properties, which means that they can repair any damage to the insulation layer automatically. This helps to prevent catastrophic failures and ensures that the capacitor continues to function correctly.

High voltage handling capacity

Metalized polyester film capacitor can handle high voltages without breaking down or failing, making them ideal for use in high-voltage circuits.

Application of Metalized Polyester Film Capacitor

Power supplies

Metalized polyester film capacitor is commonly used in power supplies because of their high capacitance and low dielectric loss. They help to improve the efficiency and stability of the power supply circuit.

01

Audio equipment

Metalized polyester film capacitor is used in audio equipment to filter out unwanted noise and provide better sound quality.

02

Lighting

Metalized polyester film capacitors are used in lighting circuits to improve the power factor and reduce harmonic distortion.

03

Motor control

Metalized polyester film capacitor is used in motor control circuits to improve efficiency and reduce electromagnetic interference.

04

Renewable energy systems

Metalized polyester film capacitors are used in renewable energy systems to improve energy storage capacity and power quality.

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Delivery Information

Shipping Methods

We offer various shipping methods, including sea freight, air freight, and express delivery, depending on the order size and destination.

Estimated Delivery Time

We will provide you with the estimated delivery time for your order, which will be clearly stated in the formal order to ensure your rights are protected, allowing you to arrange for the receipt of your goods in a timely manner.

Order Tracking

We provide order tracking services, allowing you to stay informed about the current status and expected arrival time of your order. Detailed inspection information and shipping manifests, including photos and videos, are provided to ensure the security of your transactions.

Certificate

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FAQ

Q: What is the function of metallized polyester film capacitor?

A: Metallized film capacitors are used to reduce electromagnetic interference (EMI) in electric power mains due to their high voltage capability and their open circuit failure mode, which aids in safe operation.

Q: Do metal film capacitors go bad?

A: A thick metallized layer will present a lower resistance, but higher energies will be involved during the self-healing process, leading to greater damage . Most of the metallized film capacitors fail because the capacitance drops below the required tolerance.

Q: Do polyester film capacitors have polarity?

A: Film capacitors are made out of two pieces of plastic film covered with metallic electrodes, wound into a cylindrical shaped winding, with terminals attached, and then encapsulated. In general, film capacitors are not polarized, so the two terminals are interchangeable.

Q: How long can a film capacitor hold a charge?

A: Film capacitors can hold a charge for a surprisingly long time, sometimes for years, according to electrical and electronic experts. This is because they have a high dielectric constant and low leakage current compared to other types of capacitors. However, they are not ideal and will eventually lose their charge over time due to internal leakage and environmental conditions.

Q: How do you tell if a capacitor is burned out?

A: How to test a bad capacitor? Connect the multimeter probes to the capacitor and set it to capacitance mode. Then, take the value and compare it to the expected value of the capacitor. If it is within 10-20% it is good, if not, it is bad.

Q: What is the dielectric constant of a polyester capacitor?

A: Higher dielectric constant of 3.2 (PP dielectric constant – 2.2), which enables smaller capacitor dimensions. Good mechanical strength, which allows high speed winding on machines.

We're well-known as one of the leading metalized polyester film capacitor manufacturers in China. If you're going to buy customized metalized polyester film capacitor made in China, welcome to get quotation from our factory.

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