CTM1051MG

{
  "schema_version": 1,
  "type": "component",
  "slug": "ctm1051mg",
  "title": "CTM1051MG",
  "brief": "ZLG Zhiyuan Elec CAN Bus Modules, DIP-7. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "iot-communication modules",
    "ctm1051mg"
  ],
  "component": {
    "mpn": "CTM1051MG",
    "manufacturer": "ZLG Zhiyuan Elec",
    "package": "DIP-7",
    "pin_count": 7,
    "category": "IoT/Communication Modules",
    "subcategory": "CAN Bus Modules",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588947688716558336",
    "parts": {
      "symbol": "ctm1051mg.kicad_sym",
      "footprint": "ctm1051mg.kicad_mod",
      "model_3d": "ctm1051mg-etched.glb",
      "model_3d_plain": "ctm1051mg.glb",
      "model_3d_step": "ctm1051mg-etched.step",
      "model_3d_step_plain": "ctm1051mg.step",
      "lbr": "ctm1051mg.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "RXD",
        "type": "output",
        "description": "CAN receive data output to the MCU. Logic high VOH >= VCC-0.4 V at IRXD = -1.5 mA; logic low VOL <= 0.4 V at IRXD = 1.5 mA. Maximum output current 10 mA."
      },
      {
        "number": "2",
        "name": "TXD",
        "type": "input",
        "description": "CAN transmit data input from the MCU. Logic high VIH >= 0.7*VCC, logic low VIL <= 0.3*VCC. Internal ~10 kΩ pull-up to VCC; drive strength IT >= 2 mA. Dominant timeout tto(dom)TXD = 0.3 to 3.8 ms."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Input-side power ground, referenced to the MCU/logic domain. Isolated from CANG by 2500 VDC."
      },
      {
        "number": "4",
        "name": "VCC",
        "type": "power_in",
        "description": "Input-side power supply, +5 V nominal (4.75 to 5.25 VDC). Quiescent current ~9 mA typical, max operating current 90 mA."
      },
      {
        "number": "5",
        "name": "CANG",
        "type": "power_out",
        "description": "Isolated output-side ground reference for the CAN bus. Typically left floating in simple applications; connected via shield/GDT/earth in surge-protected designs."
      },
      {
        "number": "6",
        "name": "CANL",
        "type": "bidirectional",
        "description": "CAN bus low signal (ISO 11898-2 compliant). Dominant V(OD)CANL ~1.5 V, recessive ~2.5 V (no load). Bus pin max withstand -40 to +40 V; leakage +/-5 uA at VCC=0."
      },
      {
        "number": "7",
        "name": "CANH",
        "type": "bidirectional",
        "description": "CAN bus high signal (ISO 11898-2 compliant). Dominant V(OD)CANH ~3.5 V, recessive ~2.5 V (no load). Differential dominant Vdiff(d) ~2 V into 60 Ω. Bus pin max withstand -40 to +40 V."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588947688716558336",
        "pages": 6,
        "sha256": "cc48129ccb226cd8",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 7,
        "described": 7,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "ctm1051mg.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          7.62,
          10.16,
          6.98
        ],
        "zmin_mm": -3.3,
        "centre_offset_mm": 0.127,
        "footprint_binding": "identity",
        "sha256": "f90bd1fa5f010bc999f2dd88ca613ee145644353e91e90fc2564259080330cbf",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ctm1051mg-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          7.62,
          10.16,
          6.98
        ],
        "zmin_mm": -3.3,
        "centre_offset_mm": 0.127,
        "footprint_binding": "identity",
        "sha256": "a7cb6324d82edc4b9057d964ddcc324c4e6e5370432a8c219864d37f5edcc893",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "ZLG Zhiyuan Elec",
      "Package": "DIP-7",
      "Category": "IoT/Communication Modules",
      "Pins": "7"
    }
  },
  "variants": [
    {
      "mpn": "CTM1051MG",
      "kind": "packaging"
    },
    {
      "mpn": "CTM1051AMG",
      "kind": "unknown"
    }
  ],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "ctm1051mg"
  ],
  "discovery_pitch": "CTM1051MG (ZLG Zhiyuan Elec) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ctm1051mg.kicad_sym",
    "ctm1051mg.kicad_mod",
    "ctm1051mg.glb",
    "ctm1051mg.step",
    "ctm1051mg.lbr",
    "docs/hero.png",
    "docs/ctm1051mg-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-24T19:35:10.545Z"
}