Preferred number series for resistors and capacitors Ingestion-build-47786 The CPR coefficient test method

The CPR coefficient test method is based on a comparison of the difference in coupled power between multimode and single-mode fibres

performance and longevity in testing applications

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products cut from bars

Note: Coatings or protective layers on products that are not intended to be in contact with these types of water are not covered by this method

Preferred number series for resistors and capacitors Ingestion-build-47786 The CPR coefficient test method1 Scope This International Standard provides series of preferred values for the resistance of resistors and for the capacitance of capacitors. The definition of such series with a defined numeric resolution is a basic prerequisite for the marking and coding of capacitors and resistors with their respective capacitance or resistance values as described in IEC 60062. NOTE The number series defined in this standard are based on progressive ratios of 10r,