Film Capacitors

Image Part Number Description / PDF Quantity Rfq
CB167E0105KBC

CB167E0105KBC

Elco (AVX)

CAP FILM 1UF 10% 100VDC 4030

0

FFVE6K0227KJE

FFVE6K0227KJE

Elco (AVX)

CAP FILM 220UF 10% 600VDC RADIAL

39

CB047G0683KBC

CB047G0683KBC

Elco (AVX)

CAP FILM 0.068UF 10% 250VDC 2220

0

FPG86Z0105J--

FPG86Z0105J--

Elco (AVX)

CAP FILM 1UF 5% 2.5KVDC AXIAL

0

FFB14E0206K--

FFB14E0206K--

Elco (AVX)

CAP FILM 20UF 10% 100VDC RADIAL

1106

FFV36L0605K--

FFV36L0605K--

Elco (AVX)

CAP FILM 6UF 10% 1.1KVDC RADIAL

0

FFWE6K0107K--

FFWE6K0107K--

Elco (AVX)

CAP FILM 100UF 10% 600VDC RADIAL

4

FFB36C0395K--

FFB36C0395K--

Elco (AVX)

CAP FILM 3.9UF 10% 900VDC RADIAL

0

FFB46A0755K--

FFB46A0755K--

Elco (AVX)

CAP FILM 7.5UF 10% 720VDC RADIAL

1

CB037G0153KBA

CB037G0153KBA

Elco (AVX)

CAP FILM

1800

CB018B0393JBA

CB018B0393JBA

Elco (AVX)

CAP FILM 0.039UF 5% 16VDC 1206

0

FFLI6Q0607K--

FFLI6Q0607K--

Elco (AVX)

CAP FILM 600UF 10% 1.4KVDC RAD

65

CB037D0224JBA

CB037D0224JBA

Elco (AVX)

CAP FILM 0.22UF 5% 63VDC 1812

3722

FPG66W0474J--

FPG66W0474J--

Elco (AVX)

CAP FILM 0.47UF 5% 1.75KVDC AXL

48

FFB26A0435K--

FFB26A0435K--

Elco (AVX)

CAP FILM 4.3UF 10% 720VDC RADIAL

598

CB052G0154K--

CB052G0154K--

Elco (AVX)

CAP FILM 0.15UF 10% 250VDC 2824

0

CB047G0273JBC

CB047G0273JBC

Elco (AVX)

CAP FILM 0.027UF 5% 250VDC 2220

0

FLAB36H0606KF

FLAB36H0606KF

Elco (AVX)

CAP FILM 60UF 10% 330VAC RADIAL

0

FFLR6Q0108KJE

FFLR6Q0108KJE

Elco (AVX)

CAP FILM 1000UF, 600VDC

0

FFVS6U0656K--

FFVS6U0656K--

Elco (AVX)

CAP FILM 65UF 10% 1.2KVDC RADIAL

68

Film Capacitors

1. Overview

Film capacitors are a type of electronic component using plastic films (e.g., polypropylene, polyester) as dielectric materials. They are non-polarized capacitors with high insulation resistance, low loss, and excellent long-term stability. These capacitors play critical roles in power electronics, automotive systems, renewable energy, and consumer devices due to their reliability and high voltage-handling capabilities.

2. Main Types and Functional Classification

Type Functional Characteristics Application Examples
Polyester (PET) Low cost, compact size, moderate temperature stability General-purpose circuits, consumer electronics
Polypropylene (PP) High voltage resistance, low dielectric loss, excellent thermal stability Power supplies, motor drives, EV charging systems
Polycarbonate (PC) High precision, low moisture absorption Medical devices, aerospace instrumentation
Polyphenylene Sulfide (PPS) High-temperature endurance, flame retardant Automotive electronics, industrial automation
Polyimide (PI) Ultra-high temperature resistance (up to 200 C), compact design Aviation systems, downhole drilling equipment

3. Structure and Composition

Film capacitors typically consist of metalized plastic films wound or stacked into a cylindrical/rectangular core. The dielectric thickness ranges from 1-10 m, with electrode materials like zinc or aluminum. The assembly is encapsulated in epoxy resin or plastic housings. Key structural elements include:

  • Dielectric layer (plastic film)
  • Metallized electrode patterns
  • Termination electrodes (sprayed metal contacts)
  • Protective outer coating

4. Key Technical Parameters

Parameter Description Importance
Capacitance Range 0.1 nF - 100 F Determines energy storage capacity
Rated Voltage 50 V - 10 kV Defines operational safety limits
Capacitance Tolerance 1% to 20% Affects circuit precision
Dissipation Factor 0.0001 - 0.05 Indicates energy efficiency
Insulation Resistance 10^9 - 10^12 Reflects leakage current performance
Operating Temperature -55 C to +155 C Dictates environmental adaptability
Temperature Coefficient 50 to 400 ppm/ C Impacts stability under thermal stress
Stability C/C < 2% over 10 years Long-term reliability indicator

5. Application Fields

Main industries and equipment:

  • Power electronics: AC/DC converters, frequency inverters
  • Automotive: Electric vehicle (EV) on-board chargers, battery management systems
  • Consumer electronics: LED lighting, plasma TVs
  • Industrial: Uninterruptible power supplies (UPS), welding machines
  • Renewable energy: Solar inverters, wind turbine converters

6. Leading Manufacturers and Products

Manufacturer Representative Product Key Features
TDK Corporation B32656 series PP film, 480 F/1200 V for industrial inverters
KEMET C4AZ-X7R4U3D106KE Automotive-grade DC link capacitor
AVX 6TP105K Tantalum polymer hybrid for aerospace
Vishay MKP1848 series Self-healing PP technology

7. Selection Guidelines

Key considerations:

  1. Determine required capacitance and voltage ratings with safety margins
  2. Assess environmental conditions (temperature, humidity, vibration)
  3. Evaluate dielectric absorption and frequency response requirements
  4. Consider packaging constraints (through-hole vs. surface-mount)
  5. Analyze cost-performance trade-offs for mass production

8. Industry Trends

Emerging trends include: development of high-power-density capacitors for EVs, adoption of nanodielectric materials for improved thermal stability, growth of biodegradable film technologies, and integration of smart monitoring features in industrial capacitors. The market is projected to grow at 7.2% CAGR (2023-2030), driven by renewable energy and 5G infrastructure demands.

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