techmannih/nema34-mounted-stepper-controller

A USB-C PD-powered RP2040 motor controller with protected 48 V power, DRV8262 dual-bridge drive for a NEMA34 motor, regenerative-braking resistor, isolated sensing, hardware interlocks, and telemetry/status interfaces.

Version
0.3.113
License
unset
Stars
1

sourcing/r65-substitution.json

{
  "date": "2026-11-07",
  "reference": "R65",
  "previous": "C723637",
  "previous_mpn": "RT0603BRD0720KL",
  "selected": "C328424",
  "mpn": "PTFR0603B20K0P9",
  "manufacturer": "RESI",
  "reason": "User-requested replacement: official JLCPCB Available Order Qty for C723637 is 0.",
  "manufacturer_datasheet": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2405061536_RESI-PTFR0603B20K0P9_C328424.pdf",
  "review": {
    "resistance_ohm": 20000,
    "tolerance_percent": 0.1,
    "tcr_ppm_per_k": 25,
    "package": "0603",
    "terminals": 2,
    "polarity": "none",
    "rated_watts": 0.1,
    "working_voltage_v": 100,
    "previous_working_voltage_v": 75,
    "operating_temperature_c": [-55, 125],
    "previous_operating_temperature_c": [-55, 155],
    "footprint_change": false,
    "copper_change": false
  },
  "reviewed_alternative": { "lcsc": "C154077", "mpn": "MCT06030D2002BP500", "manufacturer": "Vishay", "same_rating": "20k 0.1% 25 ppm/C 75 V 0603" },
  "exact_stock_query": "https://jlcsearch.tscircuit.com/components/list.json?search=328424",
  "observed_available_order_qty": 141212,
  "note": "Catalog ratings as listed by JLCPCB/LCSC. Stock is a timestamped observation, not reserved inventory; current values are in docs/stock-report.json."
}