{
 "id": "4.08a",
 "slug": "board-level-power-vrms-power-stages-pol-power-semis-gan-and-sic",
 "url": "/parts/servers-racks-and-integration/board-level-power-vrms-power-stages-pol-power-semis-gan-and-sic",
 "name": "GaN and SiC",
 "qualifiers": null,
 "layer": {
  "id": 4,
  "name": "Servers, racks & integration"
 },
 "parent_id": "4.08",
 "children": [],
 "summary": "Gallium-nitride and silicon-carbide power semiconductors used inside VRMs and power stages to switch at higher frequency and efficiency than silicon at the currents modern GPU boards need.",
 "description_md": null,
 "ai_delta": null,
 "bottleneck_status": null,
 "scale_tiers": [],
 "density_modes": [],
 "scale_notes": null,
 "flow": [
  "compute",
  "power"
 ],
 "companies": [
  {
   "company_id": "coherent",
   "name": "Coherent",
   "role": "manufacturer",
   "confidence": "inferred",
   "ownership_type": "public",
   "ticker": "COHR",
   "product_note": "SiC substrates",
   "note": null,
   "source_url": null
  },
  {
   "company_id": "infineon",
   "name": "Infineon",
   "role": "manufacturer",
   "confidence": "inferred",
   "ownership_type": "public",
   "ticker": "IFX.DE",
   "product_note": null,
   "note": null,
   "source_url": null
  },
  {
   "company_id": "navitas",
   "name": "Navitas",
   "role": "manufacturer",
   "confidence": "inferred",
   "ownership_type": "public",
   "ticker": "NVTS",
   "product_note": null,
   "note": null,
   "source_url": null
  },
  {
   "company_id": "wolfspeed",
   "name": "Wolfspeed",
   "role": "manufacturer",
   "confidence": "inferred",
   "ownership_type": "public",
   "ticker": "WOLF",
   "product_note": null,
   "note": "post-Ch.11 relisting; verify",
   "source_url": null
  },
  {
   "company_id": "epc",
   "name": "EPC",
   "role": "manufacturer",
   "confidence": "inferred",
   "ownership_type": "private",
   "ticker": null,
   "product_note": null,
   "note": null,
   "source_url": null
  }
 ]
}