Passives

Electrolytic capacitors rated for voltages between 400 VDC and 500 VDC

14th July 2021
Mick Elliott

TDK’s EPCOS aluminium electrolytic capacitors B43706 and B43726 series with screw terminals are available at distributor Digi-Key.

These components are designed for rated voltages between 400 VDC and 500 VDC and cover a capacitance range of 820 µF to 15,000 µF.

A special feature is the high-rated current capability of up to 56.1 AAC (100 Hz, +85°C). In standard operating conditions (for example, at 300 Hz, +60°C, 2 m/s), currents of up to 100 A can be reached.

These values mean an approximate 25% increase in the current capability under rated conditions in contrast to previous series.

The robust capacitors are designed for a service life of 12,000 hours at +85°C.

Similar to other EPCOS screw terminal series, a range of options such as heatsink mounting or special terminals are available as reverse polarity protection.

Applications cover industrial frequency converters, UPS systems, wind power and photovoltaic systems.

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