Film Capacitors

Image Part Number Description / PDF Quantity Rfq
FFLB6A0387K--

FFLB6A0387K--

Elco (AVX)

CAP FILM 380UF 10% 680VDC RADIAL

0

CB052E0105KBC

CB052E0105KBC

Elco (AVX)

CAP FILM 1UF 10% 100VDC SMD

5330

FFVS6C0306K--

FFVS6C0306K--

Elco (AVX)

CAP FILM 30UF 10% 900VDC RADIAL

4

FFVE6N0356K7X

FFVE6N0356K7X

Elco (AVX)

CAP FILM 35UF 10% 1.9KVDC RADIAL

70

CB182K0224KBC

CB182K0224KBC

Elco (AVX)

CAP FILM 0.22UF 10% 630VDC 6054

1200

FFV34I0406K--

FFV34I0406K--

Elco (AVX)

CAP FILM 40UF 10% 400VDC RADIAL

0

FFVS6N0226K--

FFVS6N0226K--

Elco (AVX)

CAP FILM 22UF 10% 1.9KVDC RADIAL

16

FB37H6C0106KC

FB37H6C0106KC

Elco (AVX)

CAP FILM 10UF 10% 900VDC RADIAL

0

CB047D0474JBC

CB047D0474JBC

Elco (AVX)

CAP FILM 0.47UF 5% 63VDC 2220

8778

FFLI6B1607K--

FFLI6B1607K--

Elco (AVX)

CAP FILM 1600UF 10% 800VDC RAD

0

FFVS6B1286K--

FFVS6B1286K--

Elco (AVX)

CAP FILM 128UF 10% 800VDC RADIAL

27

FMD6D0154K02L

FMD6D0154K02L

Elco (AVX)

CAP FILM 0.15UF 10% 250VDC RAD

0

FFVS6K0147K--

FFVS6K0147K--

Elco (AVX)

CAP FILM 140UF 10% 600VDC RADIAL

0

CB028D0153JBA

CB028D0153JBA

Elco (AVX)

CAP FILM 0.015UF 5% 63VDC 1210

0

FFLI6Q0257K--

FFLI6Q0257K--

Elco (AVX)

CAP FILM 250UF 10% 1.4KVDC RAD

30

FFB34E0396K--

FFB34E0396K--

Elco (AVX)

CAP FILM 39UF 10% 100VDC RADIAL

0

FB37M6A0306KC

FB37M6A0306KC

Elco (AVX)

CAP FILM 30UF 10% 700VDC RADIAL

865

FFVS6B0586K--

FFVS6B0586K--

Elco (AVX)

CAP FILM 58UF 10% 800VDC RADIAL

5

FFB54I0206K--

FFB54I0206K--

Elco (AVX)

CAP FILM 20UF 10% 400VDC RADIAL

886

CB028B0683JBA

CB028B0683JBA

Elco (AVX)

CAP FILM 0.068UF 5% 16VDC 1210

0

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.

RFQ BOM Call Skype Email
Top