Electrocube, design manufacturer of electronic components

pfc Precision Film Capacitors and Standards

Film Capacitors

Sold in complete kits or individually, Electrocube’s pfc Precision Film Capacitors and Standards are stabilized silvered mica and polystyrene dielectric capacitors. They feature a wide application for calibration standards, breadboard components, circuit simulation devices and precision components in stable frequency or timing networks. The kit is a close-to tolerance, stable capacitor set with calibration traceable to the National Bureau of Standards.

Side view
Side view
Top view .2639 mfd. ±0.1%
Top view .5539 mfd. ±0.1%
4 position adapter
4 position adapter

Obtain a capacitance value of four significant figures with an accuracy of ±0.1% by quick and easy insertion of pfc Standard Capacitors into adapter fixture.

Complete Set of 32 Precision Standards
Complete Set of 32 Precision Standards ranging from .0001 to .5 mfd. (Dimensions: 11 3/8" w x 9 ¾" h x 3 3/8" d) with a 4 position adapter with durable aluminum carrying case

Features

  • Highest grade, clear India ruby mica, optimizing electrical characteristics
  • Maximum insulation resistant/minimum dissipation factor
  • pfc standards are accurate as laboratory standards after 10 years of use, remaining within 0.1% of original calibration
  • Moisture sealed to ensure a long operating life
  • Designed to provide a moderately-priced, high precision, versatile laboratory standard
  • Considerably smaller and lighter than other designs
  • Sold as a set or individually
  • Available with a 4 position adapter calibrated for stray capacitance
  • Wide applications: calibration standard, breadboard component, circuit simulation device and a precision component in stable frequency or timing networks
  • Available in values up to 10.0 mfd.

Specifications

Temperature coefficient

  • .0001 to 0.1 mfd. 0 to 20 ppm/degrees C
  • 0.2 to 1.0 mfd. -120 ±15 ppm/degrees C

Maximum voltage

  • .0001 to .04 mfd. 500 volts peak
  • .05 to 1.0 mfd. 300 volts peak

Accuracy of calibration

  • ±0.1% – 0.5% mmf. of nominal printed on capacitor at 1 khz frequency and 23 degrees C

Long-term stability

  • ±0.05% +0.1 mmf.

Insulation resistance

  • 5,000 megohm-microfarads need not exceed 50,000 megohms

Dissipation factor

  • .0001 to .0004 mfd. ≤ 0.15%
  • .0005 to .001 mfd. ≤ 0.1%
  • .002 to 1.0 mfd. ≤ 0.05%
  • 1.0 to 10 mfd. ≤ 0.02% max

Case

  • Values .0001 mfd. to 0.1 mfd. = length: 1 9/16", width: 15/16", height: 1 15/16"
  • 0.2 mfd. to 0.5 mfd. = length: 1 9/16", width: 15/16", height: 2 7/32" high
  • 0.6 mfd. to 1.0 mfd. = length: 1 9/16", width: 1 11/16", height: 2 5/16"
  • 2.0 mfd. = length: 3 15/16", width: 4 5/8", height: 2 3/8"
  • 5.0 mfd. = length: 3 15/16", width: by 4 5/8", height: 3 3/8"
  • 10.0 mfd. = length: 3 15/16", width: 4 5/8", height: 5 3/8"
Consult Electrocube for details.
* Not part of No. SS-32 kit
** These values are not available in plug-in style. Consult Electrocube for details.
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