Film Capacitors

Image Part Number Description / PDF Quantity Rfq
FE37L6L0106KA

FE37L6L0106KA

Elco (AVX)

CAP FILM 10UF 10% 1.1KVDC RADIAL

767

FMA6E0123K02L

FMA6E0123K02L

Elco (AVX)

CAP FILM 0.012UF 10% 630VDC RAD

0

BQ014D0273K

BQ014D0273K

Elco (AVX)

CAP FILM 0.027UF 10% 63VDC RAD

3741

CB037E0333KBA

CB037E0333KBA

Elco (AVX)

CAP FILM 0.033UF 10% 100VDC 1812

0

CB052D0105JBC

CB052D0105JBC

Elco (AVX)

CAP FILM 1UF 5% 63VDC 2824

0

FFVE4I0107K--

FFVE4I0107K--

Elco (AVX)

CAP FILM 100UF 10% 400VDC RADIAL

64

FLBB6I0117K03

FLBB6I0117K03

Elco (AVX)

CAP FILM 110.7UF 10% 400VAC RAD

0

FFLB6N0107K--

FFLB6N0107K--

Elco (AVX)

CAP FILM 100UF 10% 1.9KVDC RAD

0

FFB16C0205K--

FFB16C0205K--

Elco (AVX)

CAP FILM 2UF 10% 900VDC RADIAL

104

CB037E0333JBA

CB037E0333JBA

Elco (AVX)

CAP FILM 0.033UF 5% 100VDC 1812

0

CB042D0684JBC

CB042D0684JBC

Elco (AVX)

CAP FILM 0.68UF 5% 63VDC 2220

0

FFB16J0395K--

FFB16J0395K--

Elco (AVX)

CAP FILM 3.9UF 10% 525VDC RADIAL

2307

FFB34D0686K--

FFB34D0686K--

Elco (AVX)

CAP FILM 68UF 10% 75VDC RADIAL

0

FMA6E0153K02L

FMA6E0153K02L

Elco (AVX)

CAP FILM 0.015UF 10% 630VDC RAD

0

CB037G0103JBA

CB037G0103JBA

Elco (AVX)

CAP FILM 10000PF 5% 250VDC 1812

5728

CB027C0104JBA

CB027C0104JBA

Elco (AVX)

CAP FILM 0.1UF 5% 25VDC 1210

224

CB052E0105JBC

CB052E0105JBC

Elco (AVX)

CAP FILM 1UF 5% 100VDC 2824

4071

FB37L6L0106KC

FB37L6L0106KC

Elco (AVX)

CAP FILM 10UF 10% 1.1KVDC RADIAL

0

FFLR6K0168KJE

FFLR6K0168KJE

Elco (AVX)

CAP FILM 1600UF, 1000VDC

0

FLBB6O0276K03

FLBB6O0276K03

Elco (AVX)

CAP FILM 27.9UF 10% 690VAC RAD

14

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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