Film Capacitors

Image Part Number Description / PDF Quantity Rfq
FFLR6R0517KJE

FFLR6R0517KJE

Elco (AVX)

CAP FILM 510UF, 1500VDC

0

FFVE6K0107K--

FFVE6K0107K--

Elco (AVX)

CAP FILM 100UF 10% 600VDC RADIAL

0

CB057D0105JBC

CB057D0105JBC

Elco (AVX)

CAP FILM 1UF 5% 63VDC 2824

2672

FFB56L0475K--

FFB56L0475K--

Elco (AVX)

CAP FILM 4.7UF 10% 1.1KVDC RAD

0

FPG86N0255J--

FPG86N0255J--

Elco (AVX)

CAP FILM 2.5UF 5% 1KVDC AXIAL

0

FFLR6X0267KJE

FFLR6X0267KJE

Elco (AVX)

CAP FILM 260UF, 3000VDC

0

CB037D0223JBC

CB037D0223JBC

Elco (AVX)

CAP FILM 0.022UF 5% 63VDC 1812

0

CB028D0333JBA

CB028D0333JBA

Elco (AVX)

CAP FILM 0.033UF 5% 63VDC 1210

0

CB018D0332J--

CB018D0332J--

Elco (AVX)

CAP FILM 3300PF 5% 63VDC 1206

0

FFB44H0186K--

FFB44H0186K--

Elco (AVX)

CAP FILM 18UF 10% 300VDC RADIAL

14

CB027E0103JBA

CB027E0103JBA

Elco (AVX)

CAP FILM 10000PF 5% 100VDC 1210

0

FFB24H0116K--

FFB24H0116K--

Elco (AVX)

CAP FILM 11UF 10% 300VDC RADIAL

0

FFB44D0826K--

FFB44D0826K--

Elco (AVX)

CAP FILM 82UF 10% 75VDC RADIAL

60

FFB26J0565K--

FFB26J0565K--

Elco (AVX)

CAP FILM 5.6UF 10% 525VDC RADIAL

0

FFB24E0276K--

FFB24E0276K--

Elco (AVX)

CAP FILM 27UF 10% 100VDC RADIAL

0

FFB16L0155K--

FFB16L0155K--

Elco (AVX)

CAP FILM 1.5UF 10% 1.1KVDC RAD

663

FFB56J0136K--

FFB56J0136K--

Elco (AVX)

CAP FILM 13UF 10% 525VDC RADIAL

0

CB017D0103JBA

CB017D0103JBA

Elco (AVX)

CAP FILM 10000PF 5% 63VDC 1206

685

FFLI6L0657K--

FFLI6L0657K--

Elco (AVX)

CAP FILM 650UF 10% 1KVDC RADIAL

1

FFVE6U0107KJ7

FFVE6U0107KJ7

Elco (AVX)

CAP FILM 100UF 10% 1.2KVDC RAD

8

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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