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Fixed resistors for use in electronic equipment -- Sectional specification: Power resistors for through hole assembly on circuit boards (THT) or for assembly on chassis
This part of IEC 60115 is applicable to fixed power resistors for use in electronic equipment. This standard relates to resistors having a rated dissipation typically greater than 1W up to and including 1000W for use in electronic equipment. This standard is applicable to fixed power resistors with a maximum surface temperature (MET) higher than the preferred upper category temperature (UCT) of 200°C.
These resistors are typically described according to types (different geometric shapes) and styles (different dimensions) and product technology.
The resistive element of these resistors is typically protected by one of the following:
The electrical connection of these resistors is typically achieved by means of:
In special cases, a heat sink may be applicable but not mandatory.
The object of this standard is to prescribe preferred ratings and characteristics and to select from IEC 60115-1 the appropriate quality assessment procedures, tests and measuring methods and to give general performance requirements for this type of resistor. Test severities and requirements prescribed in detailed specifications referring to this sectional specification shall be of equal or higher performance level, because lower performance levels are not permitted.
Since the documents of the 60115-X series are exempted from the parallel procedure (D162/C089), this New Work Item Proposal aims to endorse the main IEC document IEC 60115-4:2022 as a European standard. The standard shall be published together with the finalised Common Modifications.
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