Electrocube, design manufacturer of electronic components

520 Series Miniature High Voltage Capacitors

Capacitors Product Data Sheets

Limited supply. Consult factory.

The unique high performance and long life characteristics of polyester account for the wide use of this miniature capacitor series. They can be used in varied applications requiring voltage ratings from 1000 to 10,000 VDC. Higher voltages are available on special order. A wide range of sizes and configurations are available. The dielectric materials used are polyester and kraft paper. You can choose from axial-lead wrap and fill in oval and round shapes.

These capacitors feature extended foil construction for 1000V units and tab construction for voltages 2000V and up with standard tin-coated copper-clad steel leads. Nickel, copper, dumet and other special leads are available.

Protective clear wrap is offered on all wrap and fill units. Please add .010” to maximum T and W dimension for protective clear wrap.

The potting material and endfills of Electrocube’s capacitors meet or exceed the flammability requirements of UL94VO.

Dimensional variations for all MFD values are available with the same volume to meet your design requirements.

Specifications for 520 Series Miniature High Voltage Capacitors

Temperature: -55°C to +85°C at rated voltage; to +125°C
with 60% voltage derating.
Dielectric Strength: Will withstand 200% at rated voltage
and 25°C for a period not to exceed 1 minute;
current limited to 5 mA.
Life Test: Will withstand 140% rated voltage for 250 hrs. at +125°C
with not more than 1 failure in 12 permitted.
Dissipation Factor: Shall not exceed 1.0% at 25°C.
Acceptance Criteria: Measurement frequency for capacitance
and dissipation factor shall be 1000 Hz for values up to 1 mfd
and 120 Hz for values of 1.0 mfd and up.
Insulation Resistance: At rated voltage or 500V, whichever
is less, units shall meet the minimum values below:


For information regarding insulating sleeves, mountings, special terminals, non-standard leads, circuit connections and other hardware, please consult factory.

For styles and ratings not shown, or for unusual requirements necessitated by special circuit applications (including higher IR or lower DF), consult the factory direct.

All Electrocube film capacitors have endfills and tape that meet or exceed the flammability requirements of UL94V0.

Limited Supply Consult Factory
Limited Supply Consult Factory
*Add tolerance designator to complete part number:  F = ±1%, G = ±2%, J = ±5%, K = ±10%, M = ±20%
*Add tolerance designator to complete part number: F = ±1%, G = ±2%, J = ±5%, K = ±10%, M = ±20%
contact us   |   privacy policy   |   terms of use