component
JER2512F3R300
Public Made by Adomby adom
jieerrui Current Sense Resistors / Shunt Resistors, 2512. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422
{
"schema_version": 1,
"type": "component",
"slug": "jer2512f3r300",
"title": "JER2512F3R300",
"brief": "jieerrui Current Sense Resistors / Shunt Resistors, 2512. 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",
"resistors",
"jer2512f3r300",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "JER2512F3R300",
"manufacturer": "jieerrui",
"package": "2512",
"pin_count": 2,
"category": "Resistors",
"subcategory": "Current Sense Resistors / Shunt Resistors",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/02ae4b20613551dea68a63964573e262.pdf",
"parts": {
"symbol": "jer2512f3r300.kicad_sym",
"footprint": "jer2512f3r300.kicad_mod",
"model_3d": "jer2512f3r300-hero.glb",
"model_3d_plain": "jer2512f3r300-etched.glb",
"model_3d_step": "jer2512f3r300-etched.step",
"model_3d_step_plain": "jer2512f3r300.step",
"lbr": "jer2512f3r300.lbr"
},
"distributor_links": {
"lcsc": "C49164927"
},
"distributor_check": {
"checked_at": "2026-10-19T13:36:50Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "quota"
},
"mouser": {
"pn": null,
"status": "quota"
}
},
"pins": [
{
"number": "1",
"name": "1",
"type": "passive",
"description": "First terminal (electrode) of the 2512 alloy current-sense resistor, 3R300 = 300mΩ, 3W rated power, 1% tolerance; non-polarized."
},
{
"number": "2",
"name": "2",
"type": "passive",
"description": "Second terminal (electrode) of the 2512 alloy current-sense resistor, 300mΩ, 3W rated power, 1% tolerance; non-polarized and interchangeable with the first terminal."
}
],
"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 shows a two-terminal chip resistor and prints no pin numbers. Pins 1 and 2 are a conve",
"vision extraction: provenance cannot be text-verified; needs consensus"
],
"pages_sent": 7,
"cost_usd": 0.0744,
"at": "2026-10-19T13:34:10"
},
"datasheet": {
"url": "https://datasheet.lcsc.com/datasheet/pdf/02ae4b20613551dea68a63964573e262.pdf",
"pages": 7,
"sha256": "6c0d359d39546b43",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 2,
"described": 2,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "jer2512f3r300.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
6.3,
3.2,
0.6
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "76b2052a3c120193de7cdc0af99157b6f375e9a4af7721e3e3d012968c877f27",
"checked": "2026-10-19",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "jer2512f3r300-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
6.3,
3.2,
0.6
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "f21e48cedd6a26e124c24524dfc07ebe2c8c9a0378c2848a7d2f23bfaec97e70",
"checked": "2026-10-19",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "jieerrui",
"Package": "2512",
"Category": "Resistors",
"Pins": "2"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "6c0d359d39546b438f6821b7c709fdc469aca08e893a298c0d29b08863684997",
"rows": [
{
"name": "Resistance (nominal value, code R300)",
"symbol": "R",
"kind": "electrical",
"unit": "mΩ",
"min": null,
"typ": 300,
"max": null,
"conditions": "Part-number code R300 = 300mΩ",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Resistance tolerance (code F)",
"symbol": "",
"kind": "tolerance",
"unit": "%",
"min": -1,
"typ": null,
"max": 1,
"conditions": "Tolerance code F = 1%",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Temperature coefficient of resistance (TCR), 2mΩ~500mΩ range",
"symbol": "TCR",
"kind": "temperature_coefficient",
"unit": "ppm/℃",
"min": -50,
"typ": null,
"max": 50,
"conditions": "IEC60115-1 4.8, room temp to +125℃ or +155℃; 2512 2mΩ~500mΩ row",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Rated power",
"symbol": "P",
"kind": "electrical",
"unit": "W",
"min": null,
"typ": null,
"max": 3,
"conditions": "2512 size, 3W code; derate above 70℃ ambient per curve",
"source_page": 1,
"source": "datasheet"
},
{
"name": "Insulation resistance",
"symbol": "",
"kind": "electrical",
"unit": "MΩ",
"min": 100,
"typ": null,
"max": null,
"conditions": "Printed as >100MΩ for 2512 range",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Operating temperature range",
"symbol": "",
"kind": "recommended_operating",
"unit": "℃",
"min": -55,
"typ": null,
"max": 170,
"conditions": "Operating Temperature Range",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Short time overload ΔR",
"symbol": "ΔR",
"kind": "tolerance",
"unit": "%",
"min": -1,
"typ": null,
"max": 1,
"conditions": "IEC60115-1 4.13; 5.0x rated power, 5 s",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Temperature cycling ΔR",
"symbol": "ΔR",
"kind": "tolerance",
"unit": "%",
"min": -1,
"typ": null,
"max": 1,
"conditions": "JESD22 JA-104; -55℃/+125℃, 1000 cycles",
"source_page": 6,
"source": "datasheet"
},
{
"name": "High temperature exposure ΔR",
"symbol": "ΔR",
"kind": "tolerance",
"unit": "%",
"min": -1,
"typ": null,
"max": 1,
"conditions": "MIL-STD-202 108; 125℃, 1000 h",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Low temperature operation ΔR",
"symbol": "ΔR",
"kind": "tolerance",
"unit": "%",
"min": -1,
"typ": null,
"max": 1,
"conditions": "IEC60115-1 4.23.4; -55℃, 45 min",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Biased humidity ΔR",
"symbol": "ΔR",
"kind": "tolerance",
"unit": "%",
"min": -1,
"typ": null,
"max": 1,
"conditions": "MIL-STD-202 103; 10% operating power, 85℃/85%RH, 1000 h",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Resistance to solder heat ΔR",
"symbol": "ΔR",
"kind": "tolerance",
"unit": "%",
"min": -1,
"typ": null,
"max": 1,
"conditions": "IEC60115-1 4.18; 260±5℃, 10±1 s",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Operational life ΔR",
"symbol": "ΔR",
"kind": "tolerance",
"unit": "%",
"min": -1,
"typ": null,
"max": 1,
"conditions": "MIL-STD-202 108; 70±2℃, rated current 1.5 h on / 0.5 h off, 1000 h",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Resistance to vibration ΔR",
"symbol": "ΔR",
"kind": "tolerance",
"unit": "%",
"min": -1,
"typ": null,
"max": 1,
"conditions": "MIL-STD-202 204; 5g, 10-2000 Hz, 12 cycles",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Mechanical shock ΔR",
"symbol": "ΔR",
"kind": "tolerance",
"unit": "%",
"min": -1,
"typ": null,
"max": 1,
"conditions": "MIL-STD-202 213; 100g, half sine, 6 ms",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Terminal bending ΔR",
"symbol": "ΔR",
"kind": "tolerance",
"unit": "%",
"min": -1,
"typ": null,
"max": 1,
"conditions": "AEC-Q200-005; 2 mm deflection, 60 s",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Terminal strength ΔR",
"symbol": "ΔR",
"kind": "tolerance",
"unit": "%",
"min": -1,
"typ": null,
"max": 1,
"conditions": "AEC-Q200-006; 17.7 N, 60±1 s",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Thermal shock ΔR",
"symbol": "ΔR",
"kind": "tolerance",
"unit": "%",
"min": -1,
"typ": null,
"max": 1,
"conditions": "MIL-STD-202 107; -55/+125℃, 300 cycles",
"source_page": 7,
"source": "datasheet"
},
{
"name": "ESD ΔR",
"symbol": "ΔR",
"kind": "tolerance",
"unit": "%",
"min": -1,
"typ": null,
"max": 1,
"conditions": "AEC-Q200-002; 2 kV, 2 times",
"source_page": 7,
"source": "datasheet"
}
]
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"jer2512f3r300"
],
"discovery_pitch": "JER2512F3R300 (jieerrui) 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",
"jer2512f3r300.kicad_sym",
"jer2512f3r300.kicad_mod",
"jer2512f3r300.glb",
"jer2512f3r300.step",
"jer2512f3r300.lbr",
"docs/hero.png",
"docs/jer2512f3r300-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"jer2512f3r300-hero.glb",
"jer2512f3r300-hero.overlay.json",
"jer2512f3r300-etched.glb"
],
"visibility": {
"public": true
}
}