component
H4001DG-A
Public Made by Adomby adom
Dongguan Mentech Optical Magnetic Pulse Transformers(LAN), DIP-40. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"slug": "h4001dg-a",
"version": "0.1.0",
"type": "component",
"description": "Dongguan Mentech Optical Magnetic Pulse Transformers(LAN), DIP-40. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
"component",
"inductors, coils, chokes",
"h4001dg-a",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
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"README.md",
"h4001dg-a.kicad_sym",
"h4001dg-a.kicad_mod",
"h4001dg-a.glb",
"h4001dg-a.step",
"h4001dg-a.lbr",
"docs/hero.png",
"docs/h4001dg-a-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"h4001dg-a-hero.glb",
"h4001dg-a-hero.overlay.json",
"h4001dg-a-etched.glb"
],
"component": {
"mpn": "H4001DG-A",
"manufacturer": "Dongguan Mentech Optical Magnetic",
"package": "DIP-40",
"pin_count": 40,
"category": "Inductors, Coils, Chokes",
"subcategory": "Pulse Transformers(LAN)",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590910794525581312",
"parts": {
"symbol": "h4001dg-a.kicad_sym",
"footprint": "h4001dg-a.kicad_mod",
"model_3d": "h4001dg-a-hero.glb",
"model_3d_plain": "h4001dg-a-etched.glb",
"model_3d_step": "h4001dg-a-etched.step",
"model_3d_step_plain": "h4001dg-a.step",
"lbr": "h4001dg-a.lbr"
},
"distributor_links": {
"lcsc": "C7500437"
},
"distributor_check": {
"checked_at": "2026-10-17T18:53:25Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "quota"
},
"mouser": {
"pn": null,
"status": "quota"
}
},
"pins": [
{
"number": "1",
"name": "TD1+",
"type": "passive",
"description": "Port 1 transmit/device-side winding positive terminal (1CT:1CT, 350 uH min OCL)."
},
{
"number": "2",
"name": "TD1-",
"type": "passive",
"description": "Port 1 device-side winding negative terminal."
},
{
"number": "3",
"name": "TD2+",
"type": "passive",
"description": "Port 2 device-side winding positive terminal."
},
{
"number": "4",
"name": "TD2-",
"type": "passive",
"description": "Port 2 device-side winding negative terminal."
},
{
"number": "5",
"name": "TCT1",
"type": "passive",
"description": "Center tap of the device-side windings for port 1/2 (TD1/TD2)."
},
{
"number": "6",
"name": "TD3+",
"type": "passive",
"description": "Port 3 device-side winding positive terminal."
},
{
"number": "7",
"name": "TD3-",
"type": "passive",
"description": "Port 3 device-side winding negative terminal."
},
{
"number": "8",
"name": "TD4+",
"type": "passive",
"description": "Port 4 device-side winding positive terminal."
},
{
"number": "9",
"name": "TD4-",
"type": "passive",
"description": "Port 4 device-side winding negative terminal."
},
{
"number": "10",
"name": "TCT2",
"type": "passive",
"description": "Center tap of the device-side windings for TD3/TD4."
},
{
"number": "11",
"name": "TD5+",
"type": "passive",
"description": "Port 5 device-side winding positive terminal."
},
{
"number": "12",
"name": "TD5-",
"type": "passive",
"description": "Port 5 device-side winding negative terminal."
},
{
"number": "13",
"name": "TD6+",
"type": "passive",
"description": "Port 6 device-side winding positive terminal."
},
{
"number": "14",
"name": "TD6-",
"type": "passive",
"description": "Port 6 device-side winding negative terminal."
},
{
"number": "15",
"name": "TCT3",
"type": "passive",
"description": "Center tap of the device-side windings for TD5/TD6."
},
{
"number": "16",
"name": "TD7+",
"type": "passive",
"description": "Port 7 device-side winding positive terminal."
},
{
"number": "17",
"name": "TD7-",
"type": "passive",
"description": "Port 7 device-side winding negative terminal."
},
{
"number": "18",
"name": "TD8+",
"type": "passive",
"description": "Port 8 device-side winding positive terminal."
},
{
"number": "19",
"name": "TD8-",
"type": "passive",
"description": "Port 8 device-side winding negative terminal."
},
{
"number": "20",
"name": "TCT4",
"type": "passive",
"description": "Center tap of the device-side windings for TD7/TD8."
},
{
"number": "21",
"name": "MCT4",
"type": "passive",
"description": "Center tap of the line-side windings for MX7/MX8."
},
{
"number": "22",
"name": "MX8-",
"type": "passive",
"description": "Line-side winding negative terminal for channel 8."
},
{
"number": "23",
"name": "MX8+",
"type": "passive",
"description": "Line-side winding positive terminal for channel 8."
},
{
"number": "24",
"name": "MX7-",
"type": "passive",
"description": "Line-side winding negative terminal for channel 7."
},
{
"number": "25",
"name": "MX7+",
"type": "passive",
"description": "Line-side winding positive terminal for channel 7."
},
{
"number": "26",
"name": "MCT3",
"type": "passive",
"description": "Center tap of the line-side windings for MX5/MX6."
},
{
"number": "27",
"name": "MX6-",
"type": "passive",
"description": "Line-side winding negative terminal for channel 6."
},
{
"number": "28",
"name": "MX6+",
"type": "passive",
"description": "Line-side winding positive terminal for channel 6."
},
{
"number": "29",
"name": "MX5-",
"type": "passive",
"description": "Line-side winding negative terminal for channel 5."
},
{
"number": "30",
"name": "MX5+",
"type": "passive",
"description": "Line-side winding positive terminal for channel 5."
},
{
"number": "31",
"name": "MCT2",
"type": "passive",
"description": "Center tap of the line-side windings for MX3/MX4."
},
{
"number": "32",
"name": "MX4-",
"type": "passive",
"description": "Line-side winding negative terminal for channel 4."
},
{
"number": "33",
"name": "MX4+",
"type": "passive",
"description": "Line-side winding positive terminal for channel 4."
},
{
"number": "34",
"name": "MX3-",
"type": "passive",
"description": "Line-side winding negative terminal for channel 3."
},
{
"number": "35",
"name": "MX3+",
"type": "passive",
"description": "Line-side winding positive terminal for channel 3."
},
{
"number": "36",
"name": "MCT1",
"type": "passive",
"description": "Center tap of the line-side windings for MX1/MX2."
},
{
"number": "37",
"name": "MX2-",
"type": "passive",
"description": "Line-side winding negative terminal for channel 2."
},
{
"number": "38",
"name": "MX2+",
"type": "passive",
"description": "Line-side winding positive terminal for channel 2."
},
{
"number": "39",
"name": "MX1-",
"type": "passive",
"description": "Line-side winding negative terminal for channel 1."
},
{
"number": "40",
"name": "MX1+",
"type": "passive",
"description": "Line-side winding positive terminal for channel 1."
}
],
"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": "vision",
"consensus_model": "claude-opus-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: Datasheet only shows a 40-pin through-hole magnetics module drawing and does not label it 'DIP-40'; ",
"vision extraction: provenance cannot be text-verified; needs consensus"
],
"pages_sent": 1,
"cost_usd": 0.149,
"at": "2026-10-17T18:52:20"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590910794525581312",
"pages": 1,
"sha256": "06ec7811c5d014d3",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 40,
"described": 40,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
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"footprint": "viewers/footprint.html"
},
"models_3d": [
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"file": "h4001dg-a.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "body on z = 0, through-hole leads below",
"extents_mm": [
25.4,
50.8,
6.98
],
"zmin_mm": -3.3,
"centre_offset_mm": 0.127,
"footprint_binding": "identity",
"sha256": "114010029e96b840de5e76a4e7f09f46a19e6db723f6d096bd70dbeb8ce0aff9",
"checked": "2026-10-17",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "h4001dg-a-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": [
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],
"zmin_mm": -3.3,
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"footprint_binding": "identity",
"sha256": "f28e31b6057efa325f3077dbe05bb9a1089f30c5372036da206ae3e79db475a5",
"checked": "2026-10-17",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
}
}