English

Alternative forms

• zepto-ampere

Noun

zeptoampere ‎(plural zeptoamperes)

1. An SI unit of electric current, equal to 10^-21 amperes (one sextillionth of an ampere). The SI unit symbol for the zeptoampere is zA
   • 2013 November 5, Semiconductor memory device, US Patent 8575604 :

     When the off-state current is less than or equal to 10 zA (1 zA (zeptoampere) is 1×10−21 A), a capacitance of 10 fF stored in the capacitor can be hold as data for at least 104 seconds.

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