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BS QC 420100:1992

Действует
Harmonized system of quality assessment for electric components. Varistors for use in electronic equipment. Sectional specification for surge suppression varistors — 20 стр.
Applicable to surge suppression varistors intended to protect electronic and other sensitive equipment from surges, operating from a d.c. supply, or an a.c. supply having a frequency not greater than 400 Hz.
ICS
31.040.20 Potentiometers, variable resistors / Потенциометры, переменные резисторы