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Capacitors

PPM supply a wide portfolio of high voltage capacitors from specialist manufacturers including LeClanche, SBE, API, and CKE / Dean Technologies.  Standard and custom designs are available. A variety of innovative technologies are used including power ring, power link and energy cap

  • DC link capacitors up to 4000V / 500A
  • Snubber capacitors up to 2000V / 136A
  • Ceramic capacitors up to 50kV DC
  • Capacitor assemblies up to 1300V
  • Custom pulsed high voltage capacitors up to 100kV

Film Capacitors for applications such as inverter DC links, pulsed power energy storage and high power LLC converters.

Ceramic Capacitors for applications requiring low dissipation factor, small voltage coefficients and stable temperature characteristics.
 

Capacitor Assemblies

Test Kits are available to order based on the IGBT of your choice with a specified DC link capacitance.

AC Filter bank capacitors can be easily stacked into banks for networking or multi-phased applications.

FischerLink capacitor assemblies feature capacitors directly welded to copper plates and vacuum sealed with epoxy to create a robust and vibration resistant assembly. These are available with up to nine capacitors per assembly and a voltage rating of up to 1300V.
 

Custom Designed Capacitors

High voltage applications often need a bespoke design.  To discuss your specific requirement please call us on 01793 784389 and talk to a member of our technical sales team.

  • High Voltage Ceramic Capacitors

DC Link Capacitors

Power-Ring-Capacitor

Power Ring

LeClanche-cxplp-capacitor

CXPLP series

leclanche-powerlink-capacitor-v2

Power Link

Energy Cap

API-Capacitors-DC-capacitors

GB DC series

Capacitor TechnologyCapacitance RangeDC Working VoltageTypical RMS CurrentEquivalent Series ResistanceEquivalent Series Inductance
Power Ring75 - 1500 uF450 - 1500 V500 A0.2 mOhm< 5 - 15 nH
CXPLP Series20 - 400 uF600 - 1900 V100 A< 1 mOhm< 10.5 nH
Power Link6 - 65 uF700 - 1500 V29 A< 6 - 17 mOhm-
Energy Cap200 - 3300 uF700 - 1500 V53 - 100 A< 3 - 6 mOhm-
GB DC Series280 - 7500 uF800 - 4000 V225 - 290 A0.48 - 0.81 mOhm< 30 nH

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Snubber Capacitors

GT Series

KPST Series

Capacitor TechnologyCapacitance RangeDC Working VoltageTypical RMS CurrentEquivalent Series ResistanceEquivalent Series Inductance
GT Series0.5 - 8.0 uF900 - 2000 V24 - 136 A0.15 - 3.15 mOhm< 5 - 13 nH
KPST Series0.1 - 22 uF250 - 2000 V26 - 46.5 A2.5 - 14 mOhm-

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Ceramic Capacitors

cke-dean-nx5-ceramic-cap-square

NX5/JX5 Series

ny2-ceramic-capacitors

NY2/CK1 Series

ny2-ceramic-capacitors

ST1/ST2/ST3 Stacks

Capacitor TechnologyDielectric CodesCapacitance RangeTypical ToleranceWorking VoltageTemperature Range
NX5 SeriesT3M, Y5P100 - 8000 pF+/- 10%10 - 50 kVDC-20 to 85 Deg. C
JX5 SeriesT3M / N4700, Y5P100 - 8000 pF+/- 10%10 - 50 kVDC-40 to 125 Deg. C
NY2 SeriesBxN, Y5P, Y5T, Z5U100 - 5600 pF+/- 20%3 - 15 kVDC-20 to 85 Deg. C
CK1 SeriesNPO, SL2 - 300 pF+/- 10%3 - 6 kVDC-20 to 85 Deg. C
ST1 SeriesY5P, Z5U250 - 1000pF+/- 20%6 - 12 kVDC-
ST2 SeriesY5P, Z5U130 - 1000pF+/- 20%10 & 20 kVDC-
ST3 SeriesY5P500 & 1000pF+/- 20%10 & 20 kVDC-
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Capacitor Assemblies

Fischer Link

AC Filter

SBE-capacitor-test-kits

Test Kits

Capacitor TechnologyCapacitance RangeWorking VoltageMechanical solution
FischerLink520 - 6750 uF700 - 1300 VWelded, Encapsulated Copper Plate
AC Filter1250 uF480 VACMetal Supporting Frame
Test Kits375 - 1500 uF450 - 1100 VPowerRing Capacitor & Laminated Busbar, IGBT Ready

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Custom Pulsed High Voltage Capacitors

Capacitor TechnologyConstructionCapacitance RangeDC Working VoltageEsl/Esr at 10 kHzTypical Peak Current
API DCMetallised Polypropylene280 - 7500 uF800 V - 4 kVPlease Contact UsPlease Contact Us
SBE High VoltageFilm and foil< 100 uF< 5kVPlease Contact Us< 67 kA
SBE PowerRingMetallised Polypropylene5 - 5000 uF750 V - 8 kV50 nH/0.2 mohm100 kA
API Energy StorageMetallised Polypropylene0.01 - 30000 uF100 V - 50 kVPlease Contact UsPlease Contact Us
SBE Extreme EnergyMetallised Polyester< 12000 uF< 100 kV (assemblies)Please Contact Us< 100 kA

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More Information?

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