{
 "digest": null,
 "links": {
  "fits": [],
  "members": [],
  "cases": [],
  "assemblies": []
 },
 "prints": [],
 "part": {
  "id": "adafruit-4269-simple-spring-antenna-915mhz",
  "name": "Simple Spring Antenna - 915MHz",
  "kind": "",
  "method": "",
  "vendor": "adafruit",
  "sku": "4269",
  "model": "",
  "buy": [
   "https://www.adafruit.com/product/4269"
  ],
  "url": "https://www.adafruit.com/product/4269",
  "category": "antenna",
  "owned_qty": 0
 },
 "facts": {
  "id": "adafruit-4269-simple-spring-antenna-915mhz",
  "name": "Simple Spring Antenna - 915MHz",
  "vendor": "adafruit",
  "sku": "4269",
  "url": "https://www.adafruit.com/product/4269",
  "qty_owned": 1,
  "category": "antenna",
  "frame": "coil axis on Z; z=0 at the PCB top surface where the lead enters; lead extends to z=-2.5, coil from z=4.5 to 17",
  "body": {
   "size_mm": [
    5.5,
    5.5,
    19.5
   ],
   "outline": "9-turn helix OD 5.5, 0.8 mm wire, 12.5 mm coil + 4.5 mm leg + 2.5 mm solder lead",
   "max_height_top": 17.0,
   "max_height_bottom": 2.5
  },
  "mounting": {
   "notes": "solder the 2.5 mm lead into a 1.0 mm ANT through-hole (e.g. RFM95W breakout ANT pin)"
  },
  "cad": {
   "file": "adafruit-4269-simple-spring-antenna-915mhz.step",
   "fidelity": "exact",
   "source": "built from datasheet HP-915-2.5A-9T (Adafruit product-files/4269): 9T, 0.8 wire, 5.5 OD, 12.5+-1 coil, 4.5 leg, 2.5 lead",
   "verified": false
  },
  "caliper_before_fit": true,
  "sources": [
   {
    "facts": "all dims",
    "ref": "HP-915-2.5A-9T datasheet",
    "date": "2026-08-20"
   }
  ],
  "confidence": "medium - datasheet dims, coil length tolerance +-1 mm"
 },
 "models": [
  {
   "handle": "sargbench2",
   "fidelity": "exact",
   "verified": false,
   "visibility": "public",
   "url": "/m/sargbench2/adafruit-4269-simple-spring-antenna-915mhz",
   "files": [
    "adafruit-4269-simple-spring-antenna-915mhz.step",
    "adafruit-4269-simple-spring-antenna-915mhz.step.py",
    "part.yaml",
    "pcbkit.py"
   ]
  }
 ],
 "related": {
  "notes": {
   "exact": [],
   "chip": [],
   "addr": []
  },
  "parts": {
   "variants": [],
   "interface": [],
   "mounting": [],
   "cooccur": [],
   "owners": [],
   "addr": []
  }
 }
}