Tomorrow’s Tech Treepowered by Astra

Electronics · Recorded milestone

Power transistors (IGBT)

Recorded year1983

GE's insulated-gate bipolar transistor, later joined by SiC and GaN chips, switches high power for motors, inverters and grids.

Explore this milestone on the interactive map

Built on

Led to

Sources & evidence

Dataset updated 2026-10-18. This individual record has not been separately re-reviewed.