Film Capacitors – Made in Germany
Film Capacitors for Electromobility Applications
In times of e-mobility, the demand for reliable, durable and partly customer-specific film capacitors is constantly increasing. WIMA offers a wide range of components, from standard capacitors to components specially configured according to customer specifications. All capacitors are made in Germany and comply with the well-known WIMA quality standard.
Specific e-Mobility Applications
- Car and battery air conditioning
SMD MKP RFI - Electric drives
SMD-PET SMD-PEN MKP - Motor inverter
MKP 10 FKP 4 FKP 1 MKP Snubber DC-Link - On-bord chargers
MKP 10 FKP 4 FKP 1 MKP Snubber DC-Link - Wall chargers
MKP 10 FKP 4 FKP 1 MKP Snubber DC-Link - DC/DC converter
MKP 10 FKP 4 FKP 1 MKP Snubber DC-Link - EMC filter
MKP-X2 MKP-Y2 MKP-X1 R MKP 4F
NEW: DC-Link Capacitors for SiC-Power Semiconductors
WIMA Low-Inductance (LI) DC-LINK capacitors are characterized by a flat, space-saving design with particularly low self-inductance. They are therefore particularly suitable for applications in combination with silicon-based SiC power semiconductors.
Advantages
- The LI configuration with a flat, space-saving design is available for all types and contact configurations
- Existing capacitor designs can be easily substituted with LI capacitors
- The LI design has no restrictions regarding the energy density per volume compared to previous DC link configurations
- The WIMA Single Side Cooling (SSC) achieves ideal heat dissipation with one-sided (water) cooling systems
- The LI design is available in 2- and 3-voltage level configurations.
Properties
- Low leakage inductance of <10 nH in almost any capacitor configuration
- Significant resonance point shift in high frequency ranges compared to conventional designs
- Optional: ESR optimized design and applicantion temperatures up to 125° C on request.
Impedance Change with Frequency for Reference Design
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Cr = 500 µF ±10% ESR = 0.46 mΩ at 1kHz fR ~42.5 kHz -> ESL ~30nH |
Impedance Change with Frequency for LI Design
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Cr = 500 µF ±10% ESR = 0.4 mΩ at 1kHz fR ~100 kHz -> ESL ~5nH |
NEW: Robot Manufacturing of WIMA Capacitors
In an effort to improve production processes in terms of product quality and cost efficiency, WIMA is increasingly converting to state-of-the-art robot technology. This saves time and resources and also increases productivity in our capacitor production with regard to large-volume needs of our customers.
Advantages
- Automated production of all common WIMA DC-LINK capacitors with tab connections
- Assambly from the winding element to the finished capacitor in one process line
- Increase in efficiency due to shorter throughput times
- High quality due to precise robot control
- Optimized production process for medium an large series.
Examples for customized solutions
