by adom
0402 Thick Film Resistor · 470 Ω ±1% · 1/16 W
master
John Lauer
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ba7e474
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{
"tool": "build_cr0402.py",
"name": "CR0402-FX-4700GLF",
"doc": "Bourns CR0402 thick film chip resistor 3D model built from the datasheet dimensions (AI-generated, 2026-10-03).\n\nBourns publishes no 3D model for the CR series (bourns.com carries the datasheet only; the Ultra Librarian\nand ComponentSearchEngine models are third-party builds), so this is built with OpenCascade (OCP) from the\nBourns CR Series datasheet REV. 03/21, p.2 \"Product Dimensions\" (CR0402 row, nominal values):\n\n L 1.00 +/- 0.05 W 0.50 +/- 0.05 T 0.32 +/- 0.05 C (top terminal) 0.20 +/- 0.10 D (bottom terminal) 0.25 +/- 0.10\n\nConstruction (real chip resistor anatomy, plating thickness 0.012 mm is illustrative):\n - white alumina substrate between the end caps;\n - black protective overcoat on top between the top terminals (0.60 long = L - 2C), reaching T;\n - two tin-plated wrap-around terminals: top pad C long, the end face, bottom pad D long.\n\nFrame: mm, Z up, seated on z = 0, origin at the package centre, length along X (pad 1 at -X, matching the\npage footprint). Usage: build_cr0402.py OUT.step REPORT.json [--name MPN]",
"source": {
"doc": "Bourns CR Series Thick Film Chip Resistors datasheet REV. 03/21",
"url": "https://www.bourns.com/docs/product-datasheets/cr.pdf",
"page": 2,
"table": "Product Dimensions, CR0402 row"
},
"dims_mm": {
"L": 1.0,
"W": 0.5,
"T": 0.32,
"C": 0.2,
"D": 0.25,
"plating": 0.012,
"substrate_top": 0.29
},
"parts": [
{
"name": "alumina_substrate",
"srgb": [
0.94,
0.94,
0.92
]
},
{
"name": "overcoat",
"srgb": [
0.06,
0.06,
0.07
]
},
{
"name": "terminal_1",
"srgb": [
0.8,
0.81,
0.83
]
},
{
"name": "terminal_2",
"srgb": [
0.8,
0.81,
0.83
]
}
]
}