Film Capacitors – Made in Germany

GTO capacitors

WIMA GTO MKP capacitors are especially designed to attenuate voltage spikes on GTO (Gate-Turn-Off) Thyristors and IGBT (Insulated Gate Bipolar Transistor). They are manufactured in dry-type technology with a dielectric of metallized polypropylene film and encapsulated in a cylindrical plastic case sealed with self-extinguishing polyurethane resin. Their construction creates outstanding features, e.g.:

  • Very low self-inductance
  • High pulse reliability
  • High rms current carrying capability
  • Excellent self-healing properties
  • High shock and vibration resistance
  • Outstanding mechanical stability
  • Almost unlimited life expectancy

Fields of applications are designs where high current and voltage carrying capabilities are required, e.g. converter equipment in power generation or in traction technology for train drives, hoists, crane drives etc.

WIMA GTO MKP capacitors are available with capacitances from 1.0 µF through 100 µF and with nominal voltages from 400 VDC through 2000 VDC. For mounting purposes M6 and M8 threaded terminations are possible. Customer-specific requirements can be realized on demand.

GTO capacitors
metallized, internally series-connected
GTO MKP
Dielectric Polypropylene film
Test category in accordance with IEC 55/085/56
Temperature range -55°C to +85°C
Dissipat. factor tanδ at 1 kHz and +20°C < 3 x 10-4
>20 µF: < 5 x 10-4
> 50 µF: < 8 x 10-4
Insulation resistance at +20°C* > 10000 sec
Voltage ranges VDC
Capacitances
400 600 850 1000 1200 1500 2000
1.0 µF
1.5 µF
2.0 µF
2.5 µF
3.0 µF
3.5 µF
4.0 µF
4.5 µF
5.0 µF
6.0 µF
8.0 µF
10.0 µF
15.0 µF
20.0 µF
25.0 µF
30.0 µF
40.0 µF
50.0 µF
60.0 µF
70.0 µF
80.0 µF
90.0 µF
100.0 µF
Capacitance tolerances ±20%, ±10%, ±5%
GTO MKP
* The insulation resistance data refers to the lowest rated voltage of each range.