MCP4161-103E

{
  "slug": "mcp4161-103e",
  "version": "0.1.0",
  "type": "component",
  "description": "Microchip Tech Digital Potentiometers, MSOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "adc-dac-data conversion",
    "mcp4161-103e",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "mcp4161-103e.kicad_sym",
    "mcp4161-103e.kicad_mod",
    "mcp4161-103e.glb",
    "mcp4161-103e.step",
    "mcp4161-103e.lbr",
    "docs/hero.png",
    "docs/mcp4161-103e-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "mcp4161-103e-hero.glb",
    "mcp4161-103e-hero.overlay.json",
    "mcp4161-103e-etched.glb"
  ],
  "component": {
    "mpn": "MCP4161-103E",
    "manufacturer": "Microchip Tech",
    "package": "MSOP-8",
    "pin_count": 8,
    "category": "ADC/DAC/Data Conversion",
    "subcategory": "Digital Potentiometers",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/b2c40b0d2da02d3eccec4bd800a30494.pdf",
    "parts": {
      "symbol": "mcp4161-103e.kicad_sym",
      "footprint": "mcp4161-103e.kicad_mod",
      "model_3d": "mcp4161-103e-hero.glb",
      "model_3d_plain": "mcp4161-103e-etched.glb",
      "model_3d_step": "mcp4161-103e-etched.step",
      "model_3d_step_plain": "mcp4161-103e.step",
      "lbr": "mcp4161-103e.lbr"
    },
    "distributor_links": {
      "lcsc": "C636076"
    },
    "distributor_check": {
      "checked_at": "2026-10-28T16:11:58Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "CS",
        "type": "input",
        "description": "Chip select input: forcing CS to VIL enables serial commands and forcing it to VIHH enables high-voltage serial commands, and the input is high-voltage tolerant up to 12.5V."
      },
      {
        "number": "2",
        "name": "SCK",
        "type": "input",
        "description": "SPI serial clock input, a high-voltage tolerant input with Schmitt trigger that operates at up to 10 MHz in SPI modes 0,0 and 1,1."
      },
      {
        "number": "3",
        "name": "SDI/SDO",
        "type": "bidirectional",
        "description": "Multiplexed SPI serial data input/output on the MCP41X1; it acts as SDI on input and switches to SDO for reads, and the host SDO must be protected from drive conflict; SDO is an open-drain output using the internal smart pull-up."
      },
      {
        "number": "4",
        "name": "VSS",
        "type": "power_in",
        "description": "Device ground reference for all pins."
      },
      {
        "number": "5",
        "name": "P0A",
        "type": "passive",
        "description": "Potentiometer 0 terminal A, connected to full-scale wiper value (0x80 for 7-bit devices, 0x100 for 8-bit); voltage must be between VSS and VDD and it may carry positive or negative current."
      },
      {
        "number": "6",
        "name": "P0W",
        "type": "passive",
        "description": "Potentiometer 0 wiper terminal, the adjustable terminal of the digital potentiometer; voltage must be between VSS and VDD and it may carry positive or negative current."
      },
      {
        "number": "7",
        "name": "P0B",
        "type": "passive",
        "description": "Potentiometer 0 terminal B, connected to the zero-scale wiper value (0x00); voltage must be between VSS and VDD and it may carry positive or negative current."
      },
      {
        "number": "8",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive power supply input relative to VSS; while VDD is below Vmin (2.7V) the electrical performance may not meet the data sheet specifications."
      }
    ],
    "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: Table 3-1 (page 27) assigns the MSOP-8 single-potentiometer (MCP41X1) pins as CS=1, SCK=2, SDI/SDO=3; The datasheet gives no separate MSOP-8 pinout figure; the pins were taken from the 8L single-potenti"
        ],
        "pages_sent": 19,
        "cost_usd": 0.0198,
        "at": "2026-10-28T16:11:39"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/b2c40b0d2da02d3eccec4bd800a30494.pdf",
        "pages": 88,
        "sha256": "485870dfa4cb7357",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "mcp4161-103e.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.9,
          3.0,
          0.95
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "847c4c5023fe1603fbd36900a5dcc4bd3901ba473f71d42c9a469f0236eaadf3",
        "checked": "2026-10-28",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "mcp4161-103e-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.9,
          3.0,
          0.95
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "c9a0e211f3eeef7a00a94eb495b1d930239ad01ca11cfe8e7e91e2118fba392f",
        "checked": "2026-10-28",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}