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Snubber Capacitors

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Thyristor, GTO and IGCT Snubber Capacitors

A wide range of snubber capacitors for GTO, IGCT and other thyristor devices are available from PPM Power. Current, voltage, size, mass and terminations are matched to the customer’s requirement and application.

Long life and high reliability is achieved using ultra low defect density, high isotactic, metallised polypropylene dielectric film incorporating an extended working temperature range and self-healing capability. High current carrying capability is achieved using low resistance foil electrodes. Capacitors are impregnated with an environmentally safe oil then finished in an insulated polymer case or encapsulated in resin. Alternatively leak free dry solutions are available.


Rated Capacitance (C)0.01 to 10 µF
Peak Repetitive Voltage (UN)500 to 10,000 V
Continuous RMS Current (IMAX)10 to 120 Arms
Frequency (fp)100 to 20,000 Hz
Ambient Temperature (θamb)-40 to +85 °C

For guidance only. Please contact us to discuss full design capability.

IGBT Snubber Capacitors

Specially designed to offer lowest inductance and lowest loss with three termination options. There is an extensive range of standard parts, with custom parts also available. Contact us to discuss your requirements.

Snubber Capacitor Applications

Used in transportation, marine, automotive, aerospace, military, medical, renewable energy, power distribution sectors and other industrial applications.

  • Medium voltage drives
  • High power converters

Useful Documents


Thyristor Snubber Capacitors Datasheet


Design of RC Snubbers for PCT Applications


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Telephone +44 (0)1793 784389 or email: sales@ppm.co.uk