{
  "schemaVersion": 1,
  "variant": "lcd-module-2.8",
  "boardRevision": "0.0.5-dev",
  "checkedAt": "2026-10-17",
  "parts": [
    {
      "refs": [
        "C605",
        "C606"
      ],
      "manufacturer": "YAGEO",
      "mpn": "CC0805JRNPO9BN330",
      "digikey": "311-1105-1-ND",
      "url": "https://www.digikey.com/en/products/detail/yageo/CC0805JRNPO9BN330/302839",
      "value": "33 pF",
      "spec": "0805; 50 V; \u00b15%; C0G/NP0",
      "stockSnapshot": 61962,
      "checkedAt": "2026-10-17",
      "selection": "exact",
      "rationale": "Same MPN as JLC."
    },
    {
      "refs": [
        "C301",
        "C601"
      ],
      "manufacturer": "YAGEO",
      "mpn": "CC0805KRX7R9BB104",
      "digikey": "311-1140-1-ND",
      "url": "https://www.digikey.com/en/products/detail/yageo/CC0805KRX7R9BB104/303050",
      "value": "100 nF",
      "spec": "0805; 50 V; \u00b110%; X7R",
      "stockSnapshot": 880728,
      "checkedAt": "2026-10-17",
      "selection": "exact",
      "rationale": "Same MPN as JLC."
    },
    {
      "refs": [
        "C201",
        "C302",
        "C701",
        "C702"
      ],
      "manufacturer": "TDK",
      "mpn": "C2012X5R1E106K125AB",
      "digikey": "445-5984-1-ND",
      "url": "https://www.digikey.com/en/products/detail/tdk/C2012X5R1E106K125AB/2443462",
      "value": "10 \u00b5F",
      "spec": "0805; 25 V; \u00b110%; X5R; 1.45 mm max height",
      "stockSnapshot": 1000,
      "checkedAt": "2026-10-22",
      "selection": "alternative",
      "rationale": "Same capacitance, voltage, tolerance and dielectric as original Samsung; standard 0805 lands and 1.45 mm maximum height match the original envelope. Selected for power bypass/bulk decoupling, not precision timing. Verify supply startup/transients in normal first-article bring-up."
    },
    {
      "refs": [
        "C602",
        "C603",
        "C604"
      ],
      "manufacturer": "KEMET",
      "mpn": "C0805C105K5RACTU",
      "digikey": "399-C0805C105K5RACTUCT-ND",
      "url": "https://www.digikey.com/en/products/detail/kemet/C0805C105K5RACTU/3317615",
      "value": "1 \u00b5F",
      "spec": "0805; 50 V; \u00b110%; X7R",
      "stockSnapshot": 125411,
      "checkedAt": "2026-10-17",
      "selection": "alternative",
      "rationale": "Replaces CL21B105KBFNNNE at matching capacitance, voltage, tolerance and dielectric."
    },
    {
      "refs": [
        "R601",
        "R606"
      ],
      "manufacturer": "YAGEO",
      "mpn": "RC0805FR-07100KL",
      "digikey": "311-100KCRCT-ND",
      "url": "https://www.digikey.com/en/products/detail/yageo/RC0805FR-07100KL/727544",
      "value": "100 k\u03a9",
      "spec": "0805; \u00b11%; 125 mW",
      "stockSnapshot": 526449,
      "checkedAt": "2026-10-17",
      "selection": "alternative",
      "rationale": "Same resistance, tolerance and nominal power rating."
    },
    {
      "refs": [
        "R602",
        "R603"
      ],
      "manufacturer": "YAGEO",
      "mpn": "RC0805FR-07100RL",
      "digikey": "311-100CRCT-ND",
      "url": "https://www.digikey.com/en/products/detail/yageo/RC0805FR-07100RL/727543",
      "value": "100 \u03a9",
      "spec": "0805; \u00b11%; 125 mW",
      "stockSnapshot": 1083343,
      "checkedAt": "2026-10-17",
      "selection": "alternative",
      "rationale": "Same resistance, tolerance and nominal power rating."
    },
    {
      "refs": [
        "R605",
        "R607"
      ],
      "manufacturer": "YAGEO",
      "mpn": "RC0805FR-0710KL",
      "digikey": "311-10.0KCRCT-ND",
      "url": "https://www.digikey.com/en/products/detail/yageo/RC0805FR-0710KL/727535",
      "value": "10 k\u03a9",
      "spec": "0805; \u00b11%; 125 mW",
      "stockSnapshot": 1580141,
      "checkedAt": "2026-10-17",
      "selection": "alternative",
      "rationale": "Same resistance, tolerance and nominal power rating."
    },
    {
      "refs": [
        "R604"
      ],
      "manufacturer": "YAGEO",
      "mpn": "RC0805FR-0747RL",
      "digikey": "311-47.0CRCT-ND",
      "url": "https://www.digikey.com/en/products/detail/yageo/RC0805FR-0747RL/730919",
      "value": "47 \u03a9",
      "spec": "0805; \u00b11%; 125 mW",
      "stockSnapshot": 94241,
      "checkedAt": "2026-10-17",
      "selection": "alternative",
      "rationale": "Same resistance, tolerance and nominal power rating."
    },
    {
      "refs": [
        "R301",
        "R302"
      ],
      "manufacturer": "Bourns",
      "mpn": "CR0805-FX-5101ELF",
      "digikey": "CR0805-FX-5101ELFCT-ND",
      "url": "https://www.digikey.com/en/products/detail/bourns-inc/CR0805-FX-5101ELF/3784995",
      "value": "5.1 k\u03a9",
      "spec": "0805; \u00b11%; 125 mW",
      "stockSnapshot": 28897,
      "checkedAt": "2026-10-17",
      "selection": "alternative",
      "rationale": "Same USB-C Rd resistance/tolerance/power. Selected over out-of-stock Yageo RC0805FR-075K1L."
    },
    {
      "refs": [
        "R303"
      ],
      "manufacturer": "YAGEO",
      "mpn": "RC0805FR-07560RL",
      "digikey": "311-560CRCT-ND",
      "url": "https://www.digikey.com/en/products/detail/yageo/RC0805FR-07560RL/728036",
      "value": "560 \u03a9",
      "spec": "0805; \u00b11%; 125 mW",
      "stockSnapshot": 45507,
      "checkedAt": "2026-10-17",
      "selection": "alternative",
      "rationale": "Same LED series resistance, tolerance and power rating."
    },
    {
      "refs": [
        "D302"
      ],
      "manufacturer": "Kingbright",
      "mpn": "APT2012LZGCK",
      "digikey": "754-1939-1-ND",
      "url": "https://www.digikey.com/en/products/detail/kingbright/APT2012LZGCK/5177440",
      "value": "Green LED",
      "spec": "0805; 2.00\u00d71.25 mm; 0.75 mm max height; Vf typ 2.65 V at 2 mA",
      "stockSnapshot": 75055,
      "checkedAt": "2026-10-17",
      "selection": "alternative",
      "rationale": "Green indicator on the existing LED lands; retain R303 560 \u03a9. Match cathode to native pad 1/K; brightness can differ."
    },
    {
      "refs": [
        "D301"
      ],
      "manufacturer": "Littelfuse",
      "mpn": "SMF5.0CA",
      "digikey": "18-SMF5.0CACT-ND",
      "url": "https://www.digikey.com/en/products/detail/littelfuse-inc/SMF5-0CA/11206223",
      "value": "5 V bidirectional TVS",
      "spec": "SOD-123F; VRWM 5 V; VBR 6.4\u20137.0 V; VC max 9.2 V at 21.7 A; 200 W (10/1000 \u00b5s)",
      "stockSnapshot": 11192,
      "checkedAt": "2026-10-17",
      "selection": "alternative",
      "rationale": "Same TVS function and nominal pulse/clamp class in the existing SOD-123F footprint. Bidirectional CA required; does not add overvoltage disconnect."
    },
    {
      "refs": [
        "U701"
      ],
      "manufacturer": "Diodes Incorporated",
      "mpn": "AP2112K-3.3TRG1",
      "digikey": "AP2112K-3.3TRG1DICT-ND",
      "url": "https://www.digikey.com/en/products/detail/diodes-incorporated/AP2112K-3-3TRG1/4470746",
      "value": "3.3 V LDO",
      "spec": "SOT-25; 600 mA",
      "stockSnapshot": null,
      "checkedAt": "2026-10-17",
      "selection": "exact",
      "rationale": "Exact original regulator."
    },
    {
      "refs": [
        "J601"
      ],
      "manufacturer": "Amphenol",
      "mpn": "7312P0225A13LF",
      "digikey": "609-4481-ND",
      "url": "https://www.digikey.com/en/products/detail/amphenol-cs-fci/7312P0225A13LF/1527047",
      "value": "Contact smartcard socket",
      "spec": "Original full-size contact socket",
      "stockSnapshot": 3141,
      "checkedAt": "2026-10-17",
      "selection": "exact",
      "rationale": "Exact original socket; orientation follows native drawing."
    },
    {
      "refs": [
        "U601"
      ],
      "manufacturer": "Microchip",
      "mpn": "SEC1210/PV-UR2",
      "digikey": "SEC1210/PV-UR2-ND",
      "url": "https://www.digikey.com/en/products/detail/microchip-technology/SEC1210-PV-UR2/6192958",
      "value": "UART smartcard bridge",
      "spec": "24-QFN 5\u00d75 mm; UR2 firmware",
      "stockSnapshot": 56,
      "checkedAt": "2026-10-17",
      "selection": "exact",
      "rationale": "Exact original firmware suffix; do not use URT or another SEC1210 variant."
    },
    {
      "refs": [
        "SW501",
        "SW502",
        "SW503",
        "SW504",
        "SW505",
        "SW506",
        "SW507",
        "SW508"
      ],
      "manufacturer": "C&K",
      "mpn": "PTS636SK25SMTRLFS",
      "digikey": "CKN12322-1-ND",
      "url": "https://www.digikey.com/en/products/detail/c-k/PTS636SK25SMTR-LFS/10071735",
      "value": "Momentary switch",
      "spec": "G leads; 2.5 mm nominal height; 250 gf; SPST-NO",
      "stockSnapshot": 20644,
      "checkedAt": "2026-10-17",
      "selection": "exact",
      "rationale": "Exact shared JLC/DigiKey MPN; revised native footprint. Requires physical first-article qualification."
    },
    {
      "refs": [
        "J301"
      ],
      "manufacturer": "GCT",
      "mpn": "USB4125-GF-A-0190",
      "digikey": "2073-USB4125-GF-A-0190CT-ND",
      "url": "https://www.digikey.com/en/products/detail/gct/USB4125-GF-A-0190/14559038",
      "value": "USB-C power input",
      "spec": "6 contacts; 1.90 mm shell stakes; 3 A connector rating",
      "stockSnapshot": 27021,
      "checkedAt": "2026-10-24",
      "selection": "exact",
      "rationale": "Exact JLC/DigiKey -0190 variant; same GCT recommended lands, longer shell stakes for the 1.6 mm board. Requires normal first-article fit/wetting checks."
    }
  ],
  "unresolved": [],
  "referenceDocuments": [
    {
      "file": "reference/pdfs/Kingbright-APT2012LZGCK.pdf",
      "source": "https://www.kingbrightusa.com/images/catalog/SPEC/APT2012LZGCK.pdf"
    },
    {
      "source": "https://www.littelfuse.com/~/media/electronics/datasheets/tvs_diodes/littelfuse_tvs_diode_smf_datasheet.pdf.pdf",
      "note": "Manufacturer PDF inspected online; direct archival download returned HTTP 403. Original JLC TVS drawing remains saved separately."
    }
  ]
}