Chip capacitors: Polymer types for 125 °C

München, 08.12. 2004 08:12

Chip capacitors: Polymer types for 125 °C

EPCOS has unveiled a new series as part of its development program for polymer capacitors that can operate at ambient temperatures up to 125 °C and derating (66% of rated voltage).
The B4529W series follows the trend toward increased modularization in on-board switch-mode power supplies for applications in industrial electronics, networks and telecom systems. Here large-scale integration of active and passive components in a minimum of space can easily lead to temperatures above 100 °C.

The new polymer types are currently available in cases sizes D or E with capacitances from 100 to 680 µF for rated voltages from 2.5 to 10 V. Equivalent series resistance (ESR) is less than 35 mΩ. Types in case size V are to be added to the program toward the end of the year.
All series of polymer capacitors from EPCOS combine high volumetric capacitance with the lowest ESR. They can be implemented in case sizes B, C, D and E, and as low-profile versions in case sizes R (1.2 mm insertion height), W (1.5 mm) and V (2 mm) for temperatures up to 105 °C. The solid electrolyte prevents aging effects. The polymer series is free of hazardous substances as defined by the RoHS directive.

Kontaktinformationen:
EPCOS AG
Fax +49 89 636-23549
E-mail:corporate.communications@epcos.com

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