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335J400V Axial Capacitors for LED Driver Power Supplies

Made of metallized polypropylene film, the lead wire is axially led out, wrapped with high temperature tape, and sealed with flame retardant liquid at both ends. The appearance is round or cylindrical, with low noise, low loss, and low internal temperature rise.

  • Product Introduction

Made of metallized polypropylene film, the lead wire is axially led out, wrapped with high temperature tape, and sealed with flame retardant liquid at both ends. The appearance is round or cylindrical, with low noise, low loss, and low internal temperature rise.

  • Suitable for various AC and DC pulse and high current circuits.

 

Features

 

 

  • Metallized polypropylene film, axial lead, coated with high temperature adhesive tape, the epoxy potting.
  • Flat circular or cylindrical, low noise.
  • Low dissipation factor.
  • Good self-healing property, good stability and reliability.

 

SPECIFICATIONS

Climatic Category

40/85/21

Rated Voltage

250V, 400V, 630V

Capacitance Range

0.010Μf ~5.6μF

Capacitance Tolerance

±5%(J), ±10%(K)

Voltage Proof

1.75UR

Insulation resistance

≥30000MΩ, CR≤0.33μF (20℃, 1min)

≥10000S, CR>0.33μF (20℃, 1min)

Tangent of loss angle

CR>1μF ≤0.0015 (23℃, 1KHZ)

CR≤0.33μF ≤0.0008 (23℃, 1KHZ)

 

DRAWING: (mm)

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Advantage

 

 

  1. Fully automated production line: Integration of intelligent equipment (e.g. AI vision inspection) to improve efficiency and reduce human error
  2. Vertical integration capability: independent control of core processes such as thin film coating, slitting and winding to reduce supply chain risks.
  3. Strict quality control: IATF 16949 automotive grade certification, full inspection of voltage resistance, ESR, and life span for each batch of products.
  4. Rapid mass production capability: flexible production line supports small customized orders and large-scale deliveries

 

Application Scenario

 

 

  • Fiber optic fusion splicer (high voltage pulse circuit)
  • Satellite Communication Equipment (Radiation Resistant Grade Capacitors)
  • IoT terminals (low-power power management)
  • Switch/Router (PoE power supply filtering)
  • MRI nuclear magnetic resonance machine (gradient power filtering)

 

FAQ

 

 

Q: What is the production process of film capacitors?

A: Film metallization → winding/laminating → soldering → packaging → testing → aging.

Q: How does the thickness of metallized film affect performance?

A: The thinner the film, the higher the capacity, but the withstanding voltage may be reduced.

Q: What is the difference between film capacitors and electrolytic capacitors?

A: Film capacitors have no polarity, long life, high voltage resistance, suitable for high frequency applications; electrolytic capacitors have large capacity but shorter life, suitable for low frequency filtering.

Q: What are the advantages and disadvantages of film capacitors?

A: Advantages: high voltage resistance, low loss, high reliability; Disadvantages: relatively large size, limited capacity range.

Q: What are the common types of film capacitors?

A: Such as Box, Radial, SMD and Power film capacitors.

 

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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

 

 

 

Our Advantages

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

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Workshop Pictures

 

 

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

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