component
NRF51822-QFAC-R
Public Made by Adomby adom
Nordic Semicon RF Transceiver ICs, QFN-48-EP(6x6). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440
{
"slug": "nrf51822-qfac-r",
"version": "0.1.0",
"type": "component",
"description": "Nordic Semicon RF Transceiver ICs, QFN-48-EP(6x6). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
"component",
"rf & radio",
"nrf51822-qfac-r",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"nrf51822-qfac-r.kicad_sym",
"nrf51822-qfac-r.kicad_mod",
"nrf51822-qfac-r.glb",
"nrf51822-qfac-r.step",
"nrf51822-qfac-r.lbr",
"docs/hero.png",
"docs/nrf51822-qfac-r-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"nrf51822-qfac-r-hero.glb",
"nrf51822-qfac-r-hero.overlay.json",
"nrf51822-qfac-r-etched.glb"
],
"component": {
"mpn": "NRF51822-QFAC-R",
"manufacturer": "Nordic Semicon",
"package": "QFN-48-EP(6x6)",
"pin_count": 49,
"category": "RF & Radio",
"subcategory": "RF Transceiver ICs",
"datasheet": "https://mm.digikey.com/Volume0/opasdata/d220001/medias/docus/6470/NRF51822-QFAC-R.pdf",
"parts": {
"symbol": "nrf51822-qfac-r.kicad_sym",
"footprint": "nrf51822-qfac-r.kicad_mod",
"model_3d": "nrf51822-qfac-r-hero.glb",
"model_3d_plain": "nrf51822-qfac-r-etched.glb",
"model_3d_step": "nrf51822-qfac-r-etched.step",
"model_3d_step_plain": "nrf51822-qfac-r.step",
"lbr": "nrf51822-qfac-r.lbr"
},
"distributor_links": {
"lcsc": "C267287",
"digikey": "4823-NRF51822-QFAC-RTR-ND"
},
"distributor_check": {
"checked_at": "2026-10-21T12:29:32Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "4823-NRF51822-QFAC-RTR-ND",
"status": "found"
},
"mouser": {
"pn": null,
"status": "quota"
}
},
"pins": [
{
"number": "1",
"name": "VDD",
"type": "power_in",
"description": "Power supply input; Table 20 gives a supply range of 1.8 V to 3.6 V with the internal LDO setup."
},
{
"number": "2",
"name": "DCC",
"type": "power_out",
"description": "DC/DC converter output voltage to an external LC filter."
},
{
"number": "3",
"name": "P0.30",
"type": "bidirectional",
"description": "General purpose digital I/O pin."
},
{
"number": "4",
"name": "P0.00 (AREF0)",
"type": "bidirectional",
"description": "General purpose digital I/O pin that also serves as ADC/LPCOMP reference input 0."
},
{
"number": "5",
"name": "P0.01 (AIN2)",
"type": "bidirectional",
"description": "General purpose digital I/O pin that also serves as ADC/LPCOMP analog input 2."
},
{
"number": "6",
"name": "P0.02 (AIN3)",
"type": "bidirectional",
"description": "General purpose digital I/O pin that also serves as ADC/LPCOMP analog input 3."
},
{
"number": "7",
"name": "P0.03 (AIN4)",
"type": "bidirectional",
"description": "General purpose digital I/O pin that also serves as ADC/LPCOMP analog input 4."
},
{
"number": "8",
"name": "P0.04 (AIN5)",
"type": "bidirectional",
"description": "General purpose digital I/O pin that also serves as ADC/LPCOMP analog input 5."
},
{
"number": "9",
"name": "P0.05 (AIN6)",
"type": "bidirectional",
"description": "General purpose digital I/O pin that also serves as ADC/LPCOMP analog input 6."
},
{
"number": "10",
"name": "P0.06 (AIN7/AREF1)",
"type": "bidirectional",
"description": "General purpose digital I/O pin that also serves as ADC/LPCOMP analog input 7 and ADC/LPCOMP reference input 1."
},
{
"number": "11",
"name": "P0.07",
"type": "bidirectional",
"description": "General purpose digital I/O pin."
},
{
"number": "12",
"name": "VDD",
"type": "power_in",
"description": "Power supply input; Table 20 gives a supply range of 1.8 V to 3.6 V with the internal LDO setup."
},
{
"number": "13",
"name": "VSS",
"type": "power_in",
"description": "Ground (0 V); must be connected to the exposed center pad and the PCB ground."
},
{
"number": "14",
"name": "P0.08",
"type": "bidirectional",
"description": "General purpose digital I/O pin."
},
{
"number": "15",
"name": "P0.09",
"type": "bidirectional",
"description": "General purpose digital I/O pin."
},
{
"number": "16",
"name": "P0.10",
"type": "bidirectional",
"description": "General purpose digital I/O pin."
},
{
"number": "17",
"name": "P0.11",
"type": "bidirectional",
"description": "General purpose digital I/O pin."
},
{
"number": "18",
"name": "P0.12",
"type": "bidirectional",
"description": "General purpose digital I/O pin."
},
{
"number": "19",
"name": "P0.13",
"type": "bidirectional",
"description": "General purpose digital I/O pin."
},
{
"number": "20",
"name": "P0.14",
"type": "bidirectional",
"description": "General purpose digital I/O pin."
},
{
"number": "21",
"name": "P0.15",
"type": "bidirectional",
"description": "General purpose digital I/O pin."
},
{
"number": "22",
"name": "P0.16",
"type": "bidirectional",
"description": "General purpose digital I/O pin."
},
{
"number": "23",
"name": "SWDIO/nRESET",
"type": "bidirectional",
"description": "System reset input (active low) and hardware debug and flash programming I/O (SWDIO)."
},
{
"number": "24",
"name": "SWDCLK",
"type": "input",
"description": "Serial Wire Debug clock input used for hardware debug and flash programming."
},
{
"number": "25",
"name": "P0.17",
"type": "bidirectional",
"description": "General purpose digital I/O pin."
},
{
"number": "26",
"name": "P0.18",
"type": "bidirectional",
"description": "General purpose digital I/O pin."
},
{
"number": "27",
"name": "P0.19",
"type": "bidirectional",
"description": "General purpose digital I/O pin."
},
{
"number": "28",
"name": "P0.20",
"type": "bidirectional",
"description": "General purpose digital I/O pin."
},
{
"number": "29",
"name": "DEC2",
"type": "power_in",
"description": "Power supply decoupling pin; per Table 19 DEC2 must not exceed 2 V."
},
{
"number": "30",
"name": "VDD_PA",
"type": "power_out",
"description": "Power supply output (+1.6 V) for the on-chip RF power amplifier."
},
{
"number": "31",
"name": "ANT1",
"type": "passive",
"description": "Differential RF antenna connection (TX and RX) that requires a matching network to a 50 Ω antenna."
},
{
"number": "32",
"name": "ANT2",
"type": "passive",
"description": "Differential RF antenna connection (TX and RX) that requires a matching network to a 50 Ω antenna."
},
{
"number": "33",
"name": "VSS",
"type": "power_in",
"description": "Ground (0 V)."
},
{
"number": "34",
"name": "VSS",
"type": "power_in",
"description": "Ground (0 V)."
},
{
"number": "35",
"name": "AVDD",
"type": "power_in",
"description": "Analog power supply for the radio."
},
{
"number": "36",
"name": "AVDD",
"type": "power_in",
"description": "Analog power supply for the radio."
},
{
"number": "37",
"name": "XC1",
"type": "input",
"description": "Connection for a 16/32 MHz crystal or an external 16 MHz clock reference."
},
{
"number": "38",
"name": "XC2",
"type": "output",
"description": "Connection for a 16/32 MHz crystal."
},
{
"number": "39",
"name": "DEC1",
"type": "power_in",
"description": "Power supply decoupling pin."
},
{
"number": "40",
"name": "P0.21",
"type": "bidirectional",
"description": "General purpose digital I/O pin."
},
{
"number": "41",
"name": "P0.22",
"type": "bidirectional",
"description": "General purpose digital I/O pin."
},
{
"number": "42",
"name": "P0.23",
"type": "bidirectional",
"description": "General purpose digital I/O pin."
},
{
"number": "43",
"name": "P0.24",
"type": "bidirectional",
"description": "General purpose digital I/O pin."
},
{
"number": "44",
"name": "P0.25",
"type": "bidirectional",
"description": "General purpose digital I/O pin."
},
{
"number": "45",
"name": "P0.26 (AIN0/XL2)",
"type": "bidirectional",
"description": "General purpose digital I/O pin that also serves as ADC/LPCOMP analog input 0 and the 32.768 kHz crystal connection XL2."
},
{
"number": "46",
"name": "P0.27 (AIN1/XL1)",
"type": "bidirectional",
"description": "General purpose digital I/O pin that also serves as ADC/LPCOMP analog input 1 and the 32.768 kHz crystal or external clock reference connection XL1."
},
{
"number": "47",
"name": "P0.28",
"type": "bidirectional",
"description": "General purpose digital I/O pin."
},
{
"number": "48",
"name": "P0.29",
"type": "bidirectional",
"description": "General purpose digital I/O pin."
},
{
"number": "49",
"name": "VSS",
"type": "passive",
"description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
}
],
"provenance": {
"extractor": "extract_pins 0.3",
"factory_chain": {
"factory": "2.0.0",
"extractor": "extract_pins 0.3",
"primary_model": "claude-haiku-5-5",
"primary_mode": "text",
"consensus_model": "claude-sonnet-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: The exposed die pad (thermal/ground pad) is shown in the pin figure on page 12 and footnote 1 on pag; The pin table on pages 13-14 is the generic QFN48 pin function table. The excerpt does not include S; Pin types were mapped from the datasheet's terms: 'Digital I/O' -> bidirectional, 'Analog input' -> ",
"exposed pad 49 added from the footprint"
],
"pages_sent": 31,
"cost_usd": 0.1401,
"at": "2026-10-21T12:19:19"
},
"datasheet": {
"url": "https://mm.digikey.com/Volume0/opasdata/d220001/medias/docus/6470/NRF51822-QFAC-R.pdf",
"pages": 130,
"sha256": "3ed0b4fca3ce6b0d",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 49,
"described": 49,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "nrf51822-qfac-r.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
6.02,
6.02,
0.9
],
"zmin_mm": 0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "df4404723de46d24d00bc546c82f27223251bd8bca959758a37b4eef7a420c30",
"checked": "2026-10-21",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "nrf51822-qfac-r-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
6.02,
6.02,
0.9
],
"zmin_mm": 0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "be132ce96069250c9962b513cfde38ee3c9357b88da1ace832916f606f73989c",
"checked": "2026-10-21",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
}
}