1) Refer to chapter "General technical information, 5 Useful life" on how to interpret useful life.

For useful life calculations, please use our web-based "AlCap Useful Life Calculation Tool", which

can be found on the Internet under the following link

http://www.epcos.com/designtools/alu_useful_life/Useful_life.swf.

The AlCap Useful Life Calculation Tool provides calculations of useful life as well as additional

data for selected capacitor types under operating conditions defined by the user.

Frequency characteristics of ESR

Typical behavior

Impedance Z versus frequency f

Typical behavior at 20

°C

B43701, B43721

Standard

85

°C

Page 10 of 17

Please read Cautions and warnings and

Important notes at the end of this document.