ctm1051m

{
  "slug": "ctm1051m",
  "version": "0.1.1",
  "type": "component",
  "description": "YLPTEC CAN Bus Modules, DIP-7. Datasheet-verified pinout, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "iot-communication modules",
    "ctm1051m"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ctm1051m.kicad_sym",
    "ctm1051m.kicad_mod",
    "ctm1051m.glb",
    "ctm1051m.step",
    "ctm1051m.lbr",
    "docs/hero.png",
    "docs/ctm1051m-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ctm1051m-etched.glb",
    "ctm1051m-etched.step"
  ],
  "visibility": "public",
  "author": {
    "name": "Ray"
  },
  "component": {
    "mpn": "CTM1051M",
    "manufacturer": "YLPTEC",
    "package": "DIP-7",
    "pin_count": 7,
    "category": "CAN Bus Modules",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590904846956777472",
    "parts": {
      "symbol": "ctm1051m.kicad_sym",
      "footprint": "ctm1051m.kicad_mod",
      "model_3d": "ctm1051m-etched.glb",
      "model_3d_plain": "ctm1051m.glb",
      "model_3d_step": "ctm1051m-etched.step",
      "model_3d_step_plain": "ctm1051m.step",
      "lbr": "ctm1051m.lbr"
    },
    "pins": [
      {
        "number": "1",
        "name": "RXD",
        "type": "output",
        "description": "Receive data output to the host CAN controller. Push-pull logic output referenced to VCC (5V); VOH ≥ VCC-0.4V, VOL ≤ 0.4V at IRXD = 4 mA. Drives a dominant-low / recessive-high signal to the MCU's CAN RX pin."
      },
      {
        "number": "2",
        "name": "TXD",
        "type": "input",
        "description": "Transmit data input from the host CAN controller. 5V logic input: VIH ≥ 0.7·VCC, VIL ≤ 0.3·VCC; input drive current ITXD ≈ 2 mA. A low level drives the bus dominant; high level allows recessive. Dominant-timeout protection Tto(dom) 0.3-12 ms (typ 1 ms). Does not accept 3.3V logic - use CTM1051AM for 3.3V systems."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Logic-side (input) power return. Reference ground for VCC, TXD and RXD. Galvanically isolated from the bus-side CANG return by 2500VDC (test 3500VDC)."
      },
      {
        "number": "4",
        "name": "VCC",
        "type": "power_in",
        "description": "Logic-side supply input, 5 V nominal (4.75-5.25 V, abs max 7 V, min -0.7 V). Powers the on-board isolated DC-DC as well as the transceiver logic side. Typical quiescent 35 mA, max operating 90 mA. No reverse-polarity protection - do not reverse VCC/GND."
      },
      {
        "number": "5",
        "name": "CANG",
        "type": "power_out",
        "description": "Isolated-side return (bus-side ground) generated by the internal isolated DC-DC. Used as the local reference for CANH/CANL and as the tie point for shielded-twisted-pair inner shield in double-shield installations. Leave floating if not used (per §8.2)."
      },
      {
        "number": "6",
        "name": "CANL",
        "type": "bidirectional",
        "description": "CAN bus low-side differential line, ISO 11898-2 compliant. Dominant V(OD)CANL 0.5-2.25 V (typ 1.5 V), recessive V(OR)CANL 2-3 V (typ 2.5 V). Bus pin absolute range -58 V to +58 V, transient -150 V to +100 V. Connect to the CANL wire of the twisted pair; terminate the network with 120 Ω between CANH and CANL at each end."
      },
      {
        "number": "7",
        "name": "CANH",
        "type": "bidirectional",
        "description": "CAN bus high-side differential line, ISO 11898-2 compliant. Dominant V(OD)CANH 2.75-4.5 V (typ 3.5 V), recessive V(OR)CANH 2-3 V (typ 2.5 V). Bus pin absolute range -58 V to +58 V, transient -150 V to +100 V. Connect to the CANH wire of the twisted pair; terminate the network with 120 Ω between CANH and CANL at each end."
      }
    ],
    "provenance": {
      "rebuilt": "component block rebuilt 2026-10-05 from this page's own README pinout table and .kicad_sym (pins cross-checked), no re-extraction"
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "distributor_links": {
      "lcsc": "C5451836",
      "digikey": false,
      "mouser": false
    },
    "distributor_check": {
      "checked_at": "2026-10-05T18:56:16Z",
      "source": "Component Ocean /api/assign-pns + lcsc_map",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "models_3d": [
      {
        "file": "ctm1051m.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": "ctm1051m-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": "c2b38e5a530682f67782c8be448db6b2f45dda0e0648921211ce6d399a870239",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "org": "adom"
}