rushabhcodes/desk-fidget-counter

reference/jlcpcb-cost-review.json

{
  "checked_date": "2026-11-06",
  "method": "bunx tsci search --jlcpcb --json; then signed-in JLCPCB upload of actual Gerbers, BOM-complete.csv and CPL-complete.csv. No order placed and no stock reserved.",
  "baseline_release": "5.4.0",
  "selected_unique_lines": 22,
  "selected_placements_per_board": 38,
  "all_top": true,
  "bare_pcb_quantity": 5,
  "assembled_pcb_quantity": 2,
  "quantity_note": "Live Standard PCBA form required 2 to 5 assembled boards for this 5-board batch. One desired complete prototype therefore leaves a spare assembled PCB and three bare boards.",
  "matched_parts": [
    {
      "references": "C1,C7,C9,C11,C13,C14,C16",
      "jlcpcb_code": "C45000",
      "procurement_quantity_for_batch": 24,
      "batch_part_cost_usd": 0.4104,
      "matched_and_priced": true
    },
    {
      "references": "C2,C3,C5,C15,C17",
      "jlcpcb_code": "C86012",
      "procurement_quantity_for_batch": 20,
      "batch_part_cost_usd": 0.672,
      "matched_and_priced": true
    },
    {
      "references": "C6,C12,C18",
      "jlcpcb_code": "C1746",
      "procurement_quantity_for_batch": 20,
      "batch_part_cost_usd": 0.902,
      "matched_and_priced": true
    },
    {
      "references": "C8",
      "jlcpcb_code": "C77019",
      "procurement_quantity_for_batch": 20,
      "batch_part_cost_usd": 0.124,
      "matched_and_priced": true
    },
    {
      "references": "C10",
      "jlcpcb_code": "C71629",
      "procurement_quantity_for_batch": 20,
      "batch_part_cost_usd": 0.064,
      "matched_and_priced": true
    },
    {
      "references": "J1",
      "jlcpcb_code": "C165948",
      "procurement_quantity_for_batch": 2,
      "batch_part_cost_usd": 0.374,
      "matched_and_priced": true
    },
    {
      "references": "J4",
      "jlcpcb_code": "C131342",
      "procurement_quantity_for_batch": 2,
      "batch_part_cost_usd": 0.1454,
      "matched_and_priced": true
    },
    {
      "references": "R1,R2",
      "jlcpcb_code": "C105580",
      "procurement_quantity_for_batch": 20,
      "batch_part_cost_usd": 0.04,
      "matched_and_priced": true
    },
    {
      "references": "R10",
      "jlcpcb_code": "C98220",
      "procurement_quantity_for_batch": 20,
      "batch_part_cost_usd": 0.054,
      "matched_and_priced": true
    },
    {
      "references": "R12,R13",
      "jlcpcb_code": "C99782",
      "procurement_quantity_for_batch": 20,
      "batch_part_cost_usd": 0.064,
      "matched_and_priced": true
    },
    {
      "references": "R21",
      "jlcpcb_code": "C14675",
      "procurement_quantity_for_batch": 20,
      "batch_part_cost_usd": 0.042,
      "matched_and_priced": true
    },
    {
      "references": "R24",
      "jlcpcb_code": "C114608",
      "procurement_quantity_for_batch": 20,
      "batch_part_cost_usd": 0.052,
      "matched_and_priced": true
    },
    {
      "references": "R25,R26",
      "jlcpcb_code": "C114065",
      "procurement_quantity_for_batch": 20,
      "batch_part_cost_usd": 0.08,
      "matched_and_priced": true
    },
    {
      "references": "R27,R28",
      "jlcpcb_code": "C107701",
      "procurement_quantity_for_batch": 20,
      "batch_part_cost_usd": 0.056,
      "matched_and_priced": true
    },
    {
      "references": "SW1",
      "jlcpcb_code": "C963349",
      "procurement_quantity_for_batch": 5,
      "batch_part_cost_usd": 2.3895,
      "matched_and_priced": true
    },
    {
      "references": "U1",
      "jlcpcb_code": "C81720",
      "procurement_quantity_for_batch": 2,
      "batch_part_cost_usd": 6.8496,
      "matched_and_priced": true
    },
    {
      "references": "U2",
      "jlcpcb_code": "C511085",
      "procurement_quantity_for_batch": 2,
      "batch_part_cost_usd": 2.8748,
      "matched_and_priced": true
    },
    {
      "references": "U3",
      "jlcpcb_code": "C45273903",
      "procurement_quantity_for_batch": 2,
      "batch_part_cost_usd": 4.3284,
      "matched_and_priced": true
    },
    {
      "references": "U4",
      "jlcpcb_code": "C2149796",
      "procurement_quantity_for_batch": 5,
      "batch_part_cost_usd": 0.6115,
      "matched_and_priced": true
    },
    {
      "references": "U5",
      "jlcpcb_code": "C404027",
      "procurement_quantity_for_batch": 5,
      "batch_part_cost_usd": 0.6085,
      "matched_and_priced": true
    },
    {
      "references": "U6",
      "jlcpcb_code": "C7519",
      "procurement_quantity_for_batch": 5,
      "batch_part_cost_usd": 0.812,
      "matched_and_priced": true
    },
    {
      "references": "U7",
      "jlcpcb_code": "C10429",
      "procurement_quantity_for_batch": 6,
      "batch_part_cost_usd": 1.0866,
      "matched_and_priced": true
    }
  ],
  "special_sourcing": {
    "J4": {
      "mpn": "B6B-PH-K-S(LF)(SN)",
      "code": "C131342",
      "jlc_stock_displayed": 32605,
      "tsci_stock_displayed": 33601,
      "source": "https://jlcpcb.com/partdetail/JST-B6B_PH_K_S_LF_SN/C131342"
    },
    "U2": {
      "selected_mpn": "TCUT1600X01",
      "selected_code": "C511085",
      "jlc_stock_displayed": 1305,
      "current_revision": "TCUT1600X01_A",
      "current_code": "C24626661",
      "current_revision_jlc_stock_displayed": 0,
      "basis": "Vishay PCN states no change in characteristics, fit, form or function for the wafer change. Application testing still required; legacy order code selected for this prototype only.",
      "pcn": "https://mm.digikey.com/Volume0/opasdata/d220001/medias/docus/6165/PCN-OPT-1311-2024-REV-0.pdf"
    }
  },
  "baseline_quote_usd": {
    "pcb": 72.21,
    "standard_pcba": 117.94,
    "total_before_shipping_and_import": 190.15,
    "pcb_details": {
      "base": 4,
      "enig": 17.3,
      "via_covering": 16.59,
      "kelvin_test": 16.97,
      "minimum_via_process": 17.35
    },
    "assembly_details": {
      "setup": 25.75,
      "stencil": 8.27,
      "components": 22.64,
      "feeder_loading": 32.55,
      "smt_assembly": 1.32,
      "placement_confirmation": 0.45,
      "hand_soldering_labor": 3.61,
      "manual_assembly": 0.2,
      "handling": 22.65,
      "packaging": 0.5
    }
  },
  "tsci_basic_candidates": [
    {
      "source": "jlcpcb",
      "lcsc": 25804,
      "mfr": "0603WAF1002T5E",
      "package": "0603",
      "is_basic": true,
      "is_preferred": false,
      "description": "-55\u2103~+155\u2103 100mW 10k\u03a9 75V Thick Film Resistor \u00b11% \u00b1100ppm/\u2103 0603 Chip Resistor - Surface Mount ROHS",
      "stock": 45479613,
      "price": 0.0012
    },
    {
      "source": "jlcpcb",
      "lcsc": 25803,
      "mfr": "0603WAF1003T5E",
      "package": "0603",
      "is_basic": true,
      "is_preferred": false,
      "description": "-55\u2103~+155\u2103 100k\u03a9 100mW 75V Thick Film Resistor \u00b11% \u00b1100ppm/\u2103 0603 Chip Resistor - Surface Mount ROHS",
      "stock": 17017839,
      "price": 0.0016
    },
    {
      "source": "jlcpcb",
      "lcsc": 14663,
      "mfr": "CC0603KRX7R9BB104",
      "package": "0603",
      "is_basic": true,
      "is_preferred": false,
      "description": "100nF 50V X7R \u00b110% 0603 Multilayer Ceramic Capacitors MLCC - SMD/SMT ROHS",
      "stock": 38532331,
      "price": 0.0106
    },
    {
      "source": "jlcpcb",
      "lcsc": 15849,
      "mfr": "CL10A105KB8NNNC",
      "package": "0603",
      "is_basic": true,
      "is_preferred": false,
      "description": "1uF 50V X5R \u00b110% 0603 Multilayer Ceramic Capacitors MLCC - SMD/SMT ROHS",
      "stock": 12348301,
      "price": 0.0297
    },
    {
      "source": "jlcpcb",
      "lcsc": 1525,
      "mfr": "CL05B104KO5NNNC",
      "package": "0402",
      "description": "100nF 16V X7R \u00b110% 0402 Multilayer Ceramic Capacitors MLCC - SMD/SMT ROHS",
      "is_basic": true,
      "is_preferred": false,
      "stock": null,
      "price": 0.0032,
      "stock_checked_at": "2026-10-31T03:33:14.000Z"
    }
  ],
  "candidate_note": "Search unit prices are discovery estimates, not this batch quote. Package name/value alone is not a validated substitution. Standard PCBA charges feeder loading for both Basic and Extended parts. Existing selected passives are available and inexpensive; retain qualified parts unless full quoted savings justify requalification.",
  "fee_source": "https://jlcpcb.com/help/article/pcb-assembly-price",
  "search_service_limitations": "Several exact-MPN, C-code and decimal-value queries returned HTTP 500; they were not treated as zero stock. Broader value queries succeeded and the live JLCPCB matcher resolved the two missing original lines.",
  "placement_review": "All 38 supplied CPL positions imported onto the top. Preview compared with copper/pin map; final JLC engineering DFM feeder/origin review required before manufacture. Confirm Parts Placement enabled with automatic confirmation disabled.",
  "trace_width_warning": {
    "trace": "U1.VSSA to C8.pin2",
    "requested_width_mm": 0.15,
    "actual_width_mm": 0.1,
    "length_mm": 1.5,
    "layer": "top",
    "note": "Real native-routing width mismatch, not an open connection. Board minimum is 0.10 mm. Warning retained; requested width was not reduced to silence it."
  },
  "baseline_manufacturing_status": "FABRICATION HOLD: live review found undersized U3 FRAM lands and imported-library angle differences. The historical baseline quote is retained for comparison only; it is not an approved production package.",
  "exact_footprint_replacement": "v5.5.0 candidate replaces all 22 populated part types plus the DNP J6 header pad row with tsci --use-exact-footprint JLCPCB imports. Native routing and manufacturing validation must pass before release."
}