Film Capacitors

Image Part Number Description / PDF Quantity Rfq
FLAA26N0156KF

FLAA26N0156KF

Elco (AVX)

CAP FILM 15UF 10% 660VAC RADIAL

16

FFVE6C0476K--

FFVE6C0476K--

Elco (AVX)

CAP FILM 47UF 10% 900VDC RADIAL

28

FFLI6L0237K--

FFLI6L0237K--

Elco (AVX)

CAP FILM 230UF 10% 1KVDC RADIAL

0

CB017D0332JBA

CB017D0332JBA

Elco (AVX)

CAP FILM 3300PF 5% 63VDC 1206

0

FFLR6C0188KJE

FFLR6C0188KJE

Elco (AVX)

CAP FILM 1800UF, 900VDC

0

FFB36A0625K--

FFB36A0625K--

Elco (AVX)

CAP FILM 6.2UF 10% 720VDC RADIAL

122

CB212C0333JBA

CB212C0333JBA

Elco (AVX)

CAP FILM 0.033UF 5% 25VDC 1206

0

FFB34H0166K--

FFB34H0166K--

Elco (AVX)

CAP FILM 16UF 10% 300VDC RADIAL

0

FFB46L0305K--

FFB46L0305K--

Elco (AVX)

CAP FILM 3UF 10% 1.1KVDC RADIAL

229

FFB56C0685K--

FFB56C0685K--

Elco (AVX)

CAP FILM 6.8UF 10% 900VDC RADIAL

1822

FFB14I0625K--

FFB14I0625K--

Elco (AVX)

CAP FILM 6.2UF 10% 400VDC RADIAL

0

CB042I0103KBC

CB042I0103KBC

Elco (AVX)

CAP FILM 10000PF 10% 400VDC 2220

0

FE52N6L0206KB

FE52N6L0206KB

Elco (AVX)

CAP FILM 20UF 10% 1.1KVDC RADIAL

0

FFB36L0245K--

FFB36L0245K--

Elco (AVX)

CAP FILM 2.4UF 10% 1.1KVDC RAD

40

FFLI6B3007K--

FFLI6B3007K--

Elco (AVX)

CAP FILM 3000UF 10% 800VDC RAD

3

FFB54D0117K--

FFB54D0117K--

Elco (AVX)

CAP FILM 110UF 10% 75VDC RADIAL

42

FFV34D0167K--

FFV34D0167K--

Elco (AVX)

CAP FILM 160UF 10% 75VDC RADIAL

0

FE37M6P0106KB

FE37M6P0106KB

Elco (AVX)

CAP FILM 10UF 10% 1.2KVDC RADIAL

56

CB037D0224KBA

CB037D0224KBA

Elco (AVX)

CAP FILM 0.22UF 10% 63VDC 1812

0

CB162G0334JBC

CB162G0334JBC

Elco (AVX)

CAP FILM

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.

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