Space applications demand products of high quality, with appropriate additional testing to ensure long term reliability. These components must undergo special life-testing, sectioning and additional electrical measurements, to meet ESCC (European Space Components Coordination) Generic Specification No. 3009 requirements. The Knowles "Hi-Rel Product Catalogue" gives details of this testing, and other reliability grades offered. Knowles is already recognised as a supplier for space and High-Rel applications, approved by NASA for supplying planar capacitor arrays for the International Space Station, for example.

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