Magnitude (amperage)

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This is a compilation of currents of different magnitudes for comparison purposes. The information is often to be understood as “typical values”; the converted values ​​are rounded.

Basic unit of the current intensity in the International System of Units is 1  ampere ( unit symbol A ), the symbols I .

Microamps and less

  • 1.6 · 10 −19 A = 0.16 aA - 1 electron per second ≈ dark counting rate of cooled photomultiplier
  • 3 · 10 −15 A = 3 fA - leakage current of a DRAM memory cell
  • 1 · 10 −13 A = 100 fA - weakest currents that can still be used in the scanning tunneling microscope (status 2001)
  • 1 · 10 −12 A = 1 pA - current in an ion channel
  • 5 x 10 -9 to 5 × 10 -7 A = 5 to 500 nA - reverse current of a silicon - diode at room temperature
  • 1 × 10 -5 to 5 × 10 -4 A = 10 to 500 microamps - reverse current of a germanium - diode
  • 1 × 10 -5 A = 10 uA - LCD - quartz ; Photocell

Milliamps to amps

Kiloamps and more