Supply-chain input · Component
GaN RF semiconductors
Gallium-nitride transistors and amplifiers used in radars, jammers and communications.
HighComponent
Producers
0
0 consumers tracked
Needed by
0
0 technologies · 0 products
Trade controls
0
None recorded
Constraint
Why supply is constrained
High
Western GaN fabs exist, but the gallium feedstock is almost entirely Chinese (99% of primary supply), so Chinese export controls on gallium and GaN directly affect radar and EW production.
Dependencies
Upstream · needs · 1
This input
GaN RF semiconductors
High
Downstream · needed by · 0
Nothing downstream recorded.
Upstream: what this input is made from or processed with. Downstream: what is made from it.
Sources2
- 1
International Energy Agency · May 21, 2025 · Supports Input, Input · input dependency:gallium
“In December 2024, China restricted the export of gallium, germanium and antimony, key minerals for semiconductor production, to the United States.”
- 2Government recordMineral Commodity Summaries 2025: Gallium
U.S. Geological Survey · Supports Input
“China accounted for 99% of worldwide primary low-purity gallium production.”
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