IEVref:815-23-78ID:
Language:enStatus: Standard
Term: residual resistance ratio
Synonym1: RRR
[Preferred]
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Definition: ratio of resistance at room temperature to the residual resistance

Note 1 to entry: The room temperature is usually selected from 273 K, 293 K, 295 K, or 300 K.

Note 2 to entry: The residual resistance for a superconducting wire or composite superconductor is adopted as the resistance just above the critical temperature.

Note 3 to entry: This definition applies to niobium.

Note 4 to entry: This entry was numbered 815-13-62 in IEC 60050-815:2015.


Publication date:2024-08
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