| time required for an output to fall from a stated high percentage to a stated lower percentage of the maximum value when a steady input is instantaneously removed Note 1 to entry: A value of 90 % is usually considered to be the high percentage value, whereas a value of 10 % is usually considered to be the low percentage value. Note 2 to entry: The fall time is expressed in seconds (s). Note 3 to entry: This entry was numbered 845-05-61 in IEC 60050-845:1987.
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