femtohenry

plural femtohenrys · plural femtohenries

1. One quadrillionth (10⁻¹⁵) of a henry.

   Although these parasitic inductances—typically ranging from a few hundred femtohenries to a few picohenries—are negligible at conventional switching frequencies (on the order of hundreds of kilohertz).

   2025, Liron Cohen, Joseph B. Bernstein, Roni Zakay, Aaron Shmaryahu, Ilan Aharon, “Switching Frequency Figure of Merit for GaN FETs in Converter-on-Chip Power Conversion”, in Electronics, volume 14, number 19, →DOI, page 4