component
ESD1202EQ
Public Made by Adomby adom
Yangzhou Yangjie Elec Tech ESD And Surge Protection (TVS/ESD), SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384
{
"schema_version": 1,
"type": "component",
"slug": "esd1202eq",
"title": "ESD1202EQ",
"brief": "Yangzhou Yangjie Elec Tech ESD And Surge Protection (TVS/ESD), SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"version": "0.1.0",
"license": "CC-BY-SA-4.0",
"tags": [
"component",
"circuit protection",
"esd1202eq",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "ESD1202EQ",
"manufacturer": "Yangzhou Yangjie Elec Tech",
"package": "SOT-23",
"pin_count": 3,
"category": "Circuit Protection",
"subcategory": "ESD And Surge Protection (TVS/ESD)",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/6a2796949c6c3c5dca38321d5c38df77.pdf",
"parts": {
"symbol": "esd1202eq.kicad_sym",
"footprint": "esd1202eq.kicad_mod",
"model_3d": "esd1202eq-hero.glb",
"model_3d_plain": "esd1202eq-etched.glb",
"model_3d_step": "esd1202eq-etched.step",
"model_3d_step_plain": "esd1202eq.step",
"lbr": "esd1202eq.lbr"
},
"distributor_links": {
"lcsc": "C20600648"
},
"distributor_check": {
"checked_at": "2026-10-22T21:27:23Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "quota"
},
"mouser": {
"pn": null,
"status": "quota"
}
},
"pins": [
{
"number": "1",
"name": "I/O1",
"type": "passive",
"description": "Protected line 1 (diode cathode), uni-directional protection to ground with VRWM 12V, VBR 13.1V min at 1mA, and ±30kV IEC61000-4-2 contact/air."
},
{
"number": "2",
"name": "I/O2",
"type": "passive",
"description": "Protected line 2 (diode cathode), uni-directional protection to ground with VRWM 12V, VBR 13.1V min at 1mA, and ±30kV IEC61000-4-2 contact/air."
},
{
"number": "3",
"name": "GND",
"type": "power_in",
"description": "Common anode of both diodes (top lead in the package drawing), connected to ground as the reference for the I/O lines."
}
],
"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+vision",
"consensus_model": "claude-opus-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: The datasheet package drawing and schematic print no pin numbers or pin names. The common anode is t; The I/O pin types are set to passive because the datasheet gives no signal direction for them.",
"vision extraction: provenance cannot be text-verified; needs consensus"
],
"pages_sent": 5,
"cost_usd": 0.2187,
"at": "2026-10-22T21:27:13"
},
"datasheet": {
"url": "https://datasheet.lcsc.com/datasheet/pdf/6a2796949c6c3c5dca38321d5c38df77.pdf",
"pages": 5,
"sha256": "5a1ff1c257ea5019",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 3,
"described": 3,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "esd1202eq.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
2.5,
3,
1.2
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "dd5d1711204e1d8d26cd11490923bd84340820baa69538c385a4300ec2539bc0",
"checked": "2026-10-22",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "esd1202eq-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
2.5,
3,
1.2
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "200bce8ca8dd352fa827a5f88dcd7d0234ca7ae22721da4d3ab04784b523dbd3",
"checked": "2026-10-22",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "Yangzhou Yangjie Elec Tech",
"Package": "SOT-23",
"Category": "Circuit Protection",
"Pins": "3"
},
"appearance": {
"contacts": {
"quote": "● Lead Finish: Matte Tin ● Case Material: “Green” Molding Compound",
"page": 1,
"doc": "ds.pdf",
"plating": "tin"
},
"housing": {
"quote": "3. Body color: Black",
"page": 4,
"doc": "ds.pdf",
"colour": "black"
},
"version": 1,
"datasheet_sha256": "5a1ff1c257ea50192d6149d29ec9c255206f9b41c70bdd78b22921147d0293f1"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "5a1ff1c257ea50192d6149d29ec9c255206f9b41c70bdd78b22921147d0293f1",
"rows": [
{
"name": "Peak pulse power",
"symbol": "Ppk",
"kind": "absolute_maximum",
"unit": "W",
"min": null,
"typ": null,
"max": 280,
"conditions": "tp = 8/20μs",
"source_page": 2,
"source": "datasheet"
},
{
"name": "ESD IEC61000-4-2 air discharge",
"symbol": "VESD",
"kind": "absolute_maximum",
"unit": "KV",
"min": -30,
"typ": null,
"max": 30,
"conditions": "IEC61000-4-2 air discharge",
"source_page": 2,
"source": "datasheet"
},
{
"name": "ESD IEC61000-4-2 contact discharge",
"symbol": "VESD",
"kind": "absolute_maximum",
"unit": "KV",
"min": -30,
"typ": null,
"max": 30,
"conditions": "IEC61000-4-2 contact discharge",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Junction temperature",
"symbol": "TJ",
"kind": "absolute_maximum",
"unit": "℃",
"min": -55,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Storage temperature",
"symbol": "TSTG",
"kind": "absolute_maximum",
"unit": "℃",
"min": -55,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Reverse Standoff Voltage",
"symbol": "VRWM",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 12,
"conditions": "IR≤1μA",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Reverse breakdown voltage",
"symbol": "VBR",
"kind": "electrical",
"unit": "V",
"min": 13.1,
"typ": null,
"max": 16.5,
"conditions": "IBR = 1mA",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Reverse leakage current",
"symbol": "IR",
"kind": "electrical",
"unit": "μA",
"min": null,
"typ": null,
"max": 1,
"conditions": "VRWM = 12V",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Forward Voltage",
"symbol": "VF",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 1.1,
"conditions": "IF=10mA",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Clamping voltage",
"symbol": "VC",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 18.5,
"conditions": "IPP = 1A, tp = 8/20μs",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Clamping voltage",
"symbol": "VC",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 28,
"conditions": "IPP = 10A, tp = 8/20μs",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Dynamic resistance",
"symbol": "RDYN",
"kind": "electrical",
"unit": "Ω",
"min": null,
"typ": 0.18,
"max": null,
"conditions": "TLP, tp=100ns, I/O to Ground",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Peak Pulse Current",
"symbol": "IPP",
"kind": "electrical",
"unit": "A",
"min": null,
"typ": null,
"max": 10,
"conditions": "tp = 8/20μs",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Junction capacitance",
"symbol": "CJ",
"kind": "electrical",
"unit": "pF",
"min": null,
"typ": 55,
"max": 70,
"conditions": "VR = 0V, f = 1MHz",
"source_page": 2,
"source": "datasheet"
}
]
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"esd1202eq"
],
"discovery_pitch": "ESD1202EQ (Yangzhou Yangjie Elec Tech) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
"author": {
"name": "Ray",
"email": "[email protected]"
},
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"esd1202eq.kicad_sym",
"esd1202eq.kicad_mod",
"esd1202eq.glb",
"esd1202eq.step",
"esd1202eq.lbr",
"docs/hero.png",
"docs/esd1202eq-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"esd1202eq-hero.glb",
"esd1202eq-hero.overlay.json",
"esd1202eq-etched.glb"
],
"visibility": {
"public": true
}
}