Polystyrene capacitors have been long time favorite capacitor of audiophiles and high-end audio manufactures. Polystyrene film capacitors are very highly regarded due to their most desirable electrical characteristics such as exceptionally high insulation, low leakage, low dielectric absorption, low distortion and excellent temperature stability.

In most instances polystyrene capacitors can be used as a direct substitute for silver mica and/or ceramic disc capacitors. With their excellent electrical characteristics. Polystyrene are becoming increasingly harder to obtain (often referred to as Styroflex or Styro in Europe).


  • Dielectric: Aluminium foil electode
  • Construction: Premium quality Polystyrene Film (PSA), tinned Copper leads
  • Tolerance: +/- 10%, High precision of capacitance
  • Dissipation factors: 0.1% Maximum at 1 KHz, 25C (low ESR)
  • Insulation resistance: >= 100000ohm


  • Ideal for use in tuner & equalization circuits, feedback networks; commercial, industrial & measuring instruments; critical analog circuits; filters, tuned, integrators & sample-and-hold circuits; IF transformers; pulse networks; analogue & digital computing circuits and critical timing circuits such as VCO (voltage-controlled oscillators) and VCF (voltage-controlled filters).
  • Low cost and high reliablilty.

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