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ECI is committed to developing innovative capacitor designs to meet existing market applications and anticipated new applications. As such we set no limit on our capabilities and will expand as required by the industry to lead the technology into future products.

We offer a diverse spectrum of standard product lines ranging from small chip size capacitors to large building blocks.

ECI’s is extremely flexible with the ability to produce dielectric, produce stamped or machined terminals, fabricate enclosures in plastic or metals, perform unique testing and develop and build it’s own production and testing equipment. More than 60% of ECI sales are on unique customer specific applications. Below is a summary list of ECI’s present capabilities in manufacturing and testing:

Manufacturing Capabilities

  • Production of both cylindrical and oval formats
  • Winding ability from 0.157” to 8” wide and diameters from 0.100” to 10” with or without center cores
  • Multiple vacuum processing stations for increased reliability with dry air or specific gas backfill
  • Aluminum vapor deposition of electrodes on moving webs of film from 0.9 micron to 20 micron thickness at 315mm widths
  • Conversion of both plain and metallized films from master rolls to winding bobbins
  • Specially developed static elimination equipment
  • Dual metal flame spray capabilities
  • Welding stations for radial and axial configurations in either leads or terminal lugs
  • Hermetic and non-hermetic packaging
  • Dry and impregnated capabilities
  • Package sizes from 0.0036” to several cubic feet

Testing Capabilities

  • Dielectric constant measurement
  • Dielectric strength
  • Differential scanning calorimeter analysis of melt point and glass transition temperatures
  • Gas chromatography analysis
  • Elongation strength measurement
  • Shrinkage and residual solvent analysis
  • Automated component testing for dielectric strength, capacitance, dissipation factor and insulation resistance
  • ESR testing from 10hz to 500khz
  • 50,000 volts – DC
  • 20,000 volts – AC corona detection system
  • Ripple current testing to 1000+ Amps RMS
  • Data acquisition for thermal gradient analysis of power testing
  • “True” resonant frequency / ESL testing
  • Spectrum analysis to 650mhz
  • Temperature coefficient testing chambers
  • Voltage decay measurement
  • Peak current - DV/DT testing to 50,000 amps
  • Thermal shock, thermal cycling, reliability AC and DC burn-in from -65c to +225c
  • Mechanical shock and vibration
  • Moisture and humidity
  • Barometric pressure chambers
  • 60hz and 400hz AC power testing

Foil and Metallized Film Dielectric Capacitors


  • Polycarbonate
  • Polypropylene
  • Polyester
  • Polyetherimide
  • Polystyrene
  • Polysulfone
  • Polytetrafluoroethylene
  • Polyphenylene sulfide


  • Metal case
  • Premolded plastic case
  • Ceramic case
  • Wrap & fill

Qualified Military Standards and Specifications

  • MIL-PRF-39022
  • MIL-PRF-55514
  • MIL-PRF-83421
  • MIL-I-45208 (quality conformance)
  • ISO-10012 (test equipment)
  • MIL-STD-202 (laboratory testing facility)