component
MCP4361-103E
Public Made by Adomby adom
Microchip Tech Digital Potentiometers, QFN-20-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"slug": "mcp4361-103e",
"version": "0.1.0",
"type": "component",
"description": "Microchip Tech Digital Potentiometers, QFN-20-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
"component",
"adc-dac-data conversion",
"mcp4361-103e",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"mcp4361-103e.kicad_sym",
"mcp4361-103e.kicad_mod",
"mcp4361-103e.glb",
"mcp4361-103e.step",
"mcp4361-103e.lbr",
"docs/hero.png",
"docs/mcp4361-103e-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"mcp4361-103e-hero.glb",
"mcp4361-103e-hero.overlay.json",
"mcp4361-103e-etched.glb"
],
"component": {
"mpn": "MCP4361-103E",
"manufacturer": "Microchip Tech",
"package": "QFN-20-EP(4x4)",
"pin_count": 21,
"category": "ADC/DAC/Data Conversion",
"subcategory": "Digital Potentiometers",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/22f918cc0c9eb0a5b4a49233dfe372be.pdf",
"parts": {
"symbol": "mcp4361-103e.kicad_sym",
"footprint": "mcp4361-103e.kicad_mod",
"model_3d": "mcp4361-103e-hero.glb",
"model_3d_plain": "mcp4361-103e-etched.glb",
"model_3d_step": "mcp4361-103e-etched.step",
"model_3d_step_plain": "mcp4361-103e.step",
"lbr": "mcp4361-103e.lbr"
},
"distributor_links": {
"lcsc": "C637727"
},
"distributor_check": {
"checked_at": "2026-10-30T21:06:19Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "no match"
},
"mouser": {
"pn": null,
"status": "no match"
}
},
"pins": [
{
"number": "1",
"name": "P3B",
"type": "passive",
"description": "Potentiometer 3 Terminal B, the zero-scale (wiper 0x00) connection, which must be held between VSS and VDD."
},
{
"number": "2",
"name": "CS",
"type": "input",
"description": "SPI chip select input, high-voltage tolerant with Schmitt trigger; VIL enables serial commands and VIHH enables high-voltage serial commands."
},
{
"number": "3",
"name": "SCK",
"type": "input",
"description": "SPI clock input, high-voltage tolerant with Schmitt trigger."
},
{
"number": "4",
"name": "SDI",
"type": "input",
"description": "SPI serial data input, high-voltage tolerant with Schmitt trigger, connected to the host controller's SDO."
},
{
"number": "5",
"name": "VSS",
"type": "power_in",
"description": "Device ground reference."
},
{
"number": "6",
"name": "P1B",
"type": "passive",
"description": "Potentiometer 1 Terminal B, the zero-scale connection, which must be held between VSS and VDD."
},
{
"number": "7",
"name": "P1W",
"type": "passive",
"description": "Potentiometer 1 wiper terminal, which must be held between VSS and VDD."
},
{
"number": "8",
"name": "P1A",
"type": "passive",
"description": "Potentiometer 1 Terminal A, the full-scale connection, which must be held between VSS and VDD."
},
{
"number": "9",
"name": "P0A",
"type": "passive",
"description": "Potentiometer 0 Terminal A, the full-scale connection, which must be held between VSS and VDD."
},
{
"number": "10",
"name": "P0W",
"type": "passive",
"description": "Potentiometer 0 wiper terminal, which must be held between VSS and VDD."
},
{
"number": "11",
"name": "P0B",
"type": "passive",
"description": "Potentiometer 0 Terminal B, the zero-scale connection, which must be held between VSS and VDD."
},
{
"number": "12",
"name": "WP",
"type": "input",
"description": "Hardware EEPROM write protect input that forces the non-volatile memory to be write protected; it has a smart pull-up that shuts off when the pin is forced low."
},
{
"number": "13",
"name": "RESET",
"type": "input",
"description": "Hardware reset input, high-voltage tolerant with Schmitt trigger and weak pull-up, that forces the device into the POR/BOR state."
},
{
"number": "14",
"name": "SDO",
"type": "output",
"description": "SPI serial data output, connected to the host controller's SDI, used to read registers or monitor the command error bit."
},
{
"number": "15",
"name": "VDD",
"type": "power_in",
"description": "Positive power supply input relative to VSS; device operates from 1.8V to 5.5V, with specifications guaranteed from 2.7V to 5.5V."
},
{
"number": "16",
"name": "P2B",
"type": "passive",
"description": "Potentiometer 2 Terminal B, the zero-scale connection, which must be held between VSS and VDD."
},
{
"number": "17",
"name": "P2W",
"type": "passive",
"description": "Potentiometer 2 wiper terminal, which must be held between VSS and VDD."
},
{
"number": "18",
"name": "P2A",
"type": "passive",
"description": "Potentiometer 2 Terminal A, the full-scale connection, which must be held between VSS and VDD."
},
{
"number": "19",
"name": "P3A",
"type": "passive",
"description": "Potentiometer 3 Terminal A, the full-scale connection, which must be held between VSS and VDD."
},
{
"number": "20",
"name": "P3W",
"type": "passive",
"description": "Potentiometer 3 wiper terminal, which must be held between VSS and VDD."
},
{
"number": "21",
"name": "EP",
"type": "passive",
"description": "Exposed pad connected to the die substrate; tie to the same potential as VSS or leave unconnected, and it can serve as a heat sink."
}
],
"provenance": {
"extractor": "extract_pins 0.3",
"factory_chain": {
"factory": "2.0.0",
"extractor": "extract_pins 0.3",
"primary_model": "claude-sonnet-5-5",
"primary_mode": "text",
"consensus_model": "claude-sonnet-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: The MPN 'MCP4361-103E' has no package suffix (the datasheet uses /ML for QFN and /ST for TSSOP). The; The EP type is a judgment call. The datasheet says to tie it to VSS potential or leave it unconnecte; The Table 3-1 column headers were garbled in extraction. The QFN column was taken as the last of the"
],
"pages_sent": 17,
"cost_usd": 0.1468,
"at": "2026-10-30T21:06:11"
},
"datasheet": {
"url": "https://datasheet.lcsc.com/datasheet/pdf/22f918cc0c9eb0a5b4a49233dfe372be.pdf",
"pages": 80,
"sha256": "4c13d6e29f4050bf",
"source_tier": "mfr"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 21,
"described": 21,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "mcp4361-103e.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
4.0,
4.0,
0.77
],
"zmin_mm": 0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "c9476a1612023de37f27b4972110ab6ac6dc0eaf5ac48957a2e1c497650082a5",
"checked": "2026-10-30",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "mcp4361-103e-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
4.0,
4.0,
0.77
],
"zmin_mm": 0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "934f279e6ec675f5bb5fa20b8493a44325e23ce3e841ebc9c0de6023cc5d9406",
"checked": "2026-10-30",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
}
}