Polyester Film Capacitor
Made of metallized polyester film, it has good self-healing performance and high temperature resistance. Some small capacities can be produced using series metallized film, with high pressure resistance, high temperature wax inner seal, flame retardant liquid epoxy potting, high reliability, minimal appearance error, stable moisture-proof performance, low noise, and good appearance consistency.
- Product Introduction
- Made of metallized polyester film, it has good self-healing performance and high temperature resistance. Some small capacities can be produced using series metallized film, with high pressure resistance, high temperature wax inner seal, flame retardant liquid epoxy potting, high reliability, minimal appearance error, stable moisture-proof performance, low noise, and good appearance consistency.
- Suitable for DC low pulse occasions.
- Widely used in power amplifiers, color TVs, power supplies and other circuits with high product reliability requirements
Features
- Miniature size, Non-inductive metal structure.
- High temperature wax sealed, good insulation performance.
- Moisture-proof, flameretardant.
- Low dissipation factor.
- Good self-healing property, good stability and reliability.
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SPECIFICATIONS |
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Climatic Category |
40/085/21 |
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Rated Voltage |
50V, 63V, 100V, 250V, 400V, 630V |
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Capacitance Range |
0.001Μf ~2.2μF |
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Capacitance Tolerance |
±5%(J), ±10%(K) |
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Voltage Proof |
1.6UR |
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Insulation resistance |
C≤0.33μFIR≥3000MΩ (20℃, 1min) C>0.33μFIR*C≥10000MΩ*μF |
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Tangent of loss angle |
≤0.008 % (20℃, 1KHZ) |
DRAWING: (mm)

Advantage
- Strict quality control: IATF 16949 automotive grade certification, full inspection of voltage resistance, ESR, and life span for each batch of products.
- Rapid mass production capability: flexible production line supports small customized orders and large-scale deliveries
- Process Patent Reserve: We have core patents such as metallized edge thickening and self-healing technology to enhance product reliability.
- Fully automated production line: Integration of intelligent equipment to improve efficiency and reduce human error.
Application Scenario
- LED driver power supply (high frequency resonance)
- Cell phone fast charging adapter (secondary filtering)
- Laptop power supply (DC/DC conversion)
- Drone ESC (brushless motor drive)
- VR device power supply (low noise filtering)
- Smart speaker (audio amplifier coupling)
FAQ

ZZEC Corporate Profile
Was established in 2007, the company is located in Yue yang city of Hunan province Yue yang county Bai Xiang town industrial zone, the enterprise from the beginning of entrepreneurship, "the spirit of customer first, forge ahead" spirit, focus on satisfy clients' demand for miniaturization, from at home and abroad to introduce advanced machines, to form a number of automated production line, at the same time subminiature automatic assembling machine imported from Italy, Specializing in the production of MINI BOX capacitor (super small BOX potting capacitor) and super small size, high precision series capacitor. To achieve annual shipments of about 2 billion film capacitors. Product quality is the survival foundation of the enterprise, relying on ISO9001 quality system, we use high-quality raw materials and high reliability of the process, thick accumulation to provide more than 300 agents and 1500 final customers with stable and reliable products and customized services. Step by step to develop into an influential enterprise in the industry
ZZEC Company Photo
1. Self-developed
2. Free samples
3. Can be customized according to customer needs
4. Standard dust-free workshop
5. Advanced laboratory and equipment
6. Can provide the data of the sample production stage

Workshop Pictures

Specializing in ultra-small, high-precision, high-quality film capacitors.
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