The TDK Group has introduced a new EPCOS DC-supported capacitor . Designed for Infineon Technologies' HybridPACKTM1-DC6 IGBT modules, this component features a multi-contact configuration with six busbar terminals that are precisely matched to the IGBT module. Its excellent structural design not only provides excellent electrical conductivity, but also greatly reduces parasitic effects, such as a maximum equivalent series resistance of 0.6m?, and an equivalent series inductance of only 25nH. Since the ESL value of the component is extremely low, the voltage spike generated by the IGBT turn-off can be almost completely eliminated.
The new capacitor with order number B25655P4607J021 has a rated voltage of 450 VDC and a capacitance value of 600 μF. When the bottom surface of the capacitor has a heat sink temperature of 75 ° C and an ambient temperature of 105 ° C maximum, the maximum continuous operating current is 150 A. The capacitor element is specifically designed using a bulk power capacitor (PCC) technique, and a capacitor bank is formed by using a laminated winding such that its volume filling factor is close to 1. The housing size of the capacitor is also compact, only 140mm x 72mm x 50mm.
In addition, the new capacitors are available in flat winding versions (B25655P4477J121) with the same housing. The capacitor value of this model is 470μF, the rated voltage is also 450VDC, the equivalent series resistance is 0.8m?, and the equivalent series inductance is 25nH. At an ambient temperature of up to 105 ° C and a condensation temperature of at least -75 ° C, the current carrying capacity is also about 150 A.
In addition to the standard models, we offer capacitor models with an EPCOS high voltage DC EMC filter interface. In summary, the combination of IGBT modules and new link circuit capacitors enables a compact inverter structure that meets xEV or industrial inverter applications.
main application
DC support capacitors for Infineon Technologies HybridPACK1-DC6
Main features and advantages Low equivalent series inductance, only 25nH minimum equivalent series resistance is only 0.6m?
Compact size, only 140mmx72mmx50mm
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