Aluminium electrolytic capacitors

5 October 2016 Passive Components

TDK presents more compact versions within the B43640* and B43644* series of aluminium electrolytic capacitors with a snap-in design for rated voltages of 400 V and 450 V.

In comparison with the previous versions they are up to 15% more compact, and all types are suitable for a maximum operating temperature of 105°C. The new capacitors are suitable, among other things, for use in converters, power supplies and household appliances.

All versions of series B43640* are designed for a useful life of 2000 hours. They offer capacitances of between 120 μF and 1000 μF (400 V), and between 82 μF and 820 μF (450 V). Depending on the rated capacitance and voltage, the dimensions are within the standardised grid of between 22 x 25 mm and 35 x 55 mm (d x h).

The entire range of the B43644* series, on the other hand, has a useful life of 5000 hours. They cover capacitance ranges of between 100 μF and 820 μF (400 V), or between 68 μF and 680 μF (450 V). The dimensions of these types are within the same standardised grid of between 22 x 25 mm and 35 x 55 mm (d x h).

In order to calculate the precise useful life of aluminium electrolytic capacitors, the web-based Epcos AlCap useful life calculation tool, located at www.epcos.com/tools, can be used.

For more information contact Pieter Engelbrecht, Avnet South Africa, +27 (0)11 319 8600, [email protected], www.avnet.co.za

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