component
1N4749A
Public Made by Adomby adom
LGE Zener Diodes, DO-41. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.
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page.json+163−27@@ -1,8 +1,11 @@ {+ "schema_version": 1,+ "type": "component", "slug": "1n4749a",+ "title": "1N4749A",+ "brief": "LGE Zener Diodes, DO-41. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.", "version": "0.1.0",- "type": "component",- "description": "LGE Zener Diodes, DO-41. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.",+ "license": "CC-BY-SA-4.0", "tags": [ "component", "diodes",@@ -10,26 +13,6 @@ "factory-2.0.0", "extractor-text" ],- "dependencies": {},- "hero": {- "type": "image",- "path": "docs/hero.png"- },- "files": [- "page.json",- "README.md",- "1n4749a.kicad_sym",- "1n4749a.kicad_mod",- "1n4749a.glb",- "1n4749a.step",- "1n4749a.lbr",- "docs/hero.png",- "docs/1n4749a-datasheet.pdf",- "viewers/symbol.html",- "viewers/footprint.html",- "1n4749a-hero.glb",- "1n4749a-hero.overlay.json"- ], "component": { "mpn": "1N4749A", "manufacturer": "LGE",@@ -127,7 +110,7 @@ 5.71 ], "zmin_mm": -2.5,- "centre_offset_mm": 0,+ "centre_offset_mm": 0.0, "footprint_binding": "identity", "sha256": "c3e23d4b276811b74eecb329bd4480209ad3dbc8cf6e6e3f2a5b542c5ca343c1", "checked": "2026-10-21",@@ -135,10 +118,163 @@ } ] },- "visibility": "public",- "org": "adom",+ "metadata": {+ "specs": {+ "Manufacturer": "LGE",+ "Package": "DO-41",+ "Category": "Diodes",+ "Pins": "2"+ },+ "characteristics": {+ "version": 1,+ "source": "datasheet",+ "datasheet_sha256": "00ae2f53593913b96af842f012e409f0c214f32ee7f77781ca5b4c50e9e899ad",+ "rows": [+ {+ "name": "Zener voltage",+ "symbol": "Vz",+ "kind": "electrical",+ "unit": "V",+ "min": 23.52,+ "typ": 24,+ "max": 24.48,+ "conditions": "Iz=10.5 mA",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Zener voltage tolerance (A suffix, ±5% on nominal Vz)",+ "symbol": "Vz",+ "kind": "tolerance",+ "unit": "%",+ "min": -5,+ "typ": null,+ "max": 5,+ "conditions": "Tolerance on nominal Vz value; 1N47…A has no C/D tight-tolerance suffix",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "Reverse current",+ "symbol": "Ir",+ "kind": "electrical",+ "unit": "uA",+ "min": null,+ "typ": null,+ "max": 5,+ "conditions": "Vr=18.2 V",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Dynamic resistance",+ "symbol": "rd",+ "kind": "electrical",+ "unit": "Ω",+ "min": null,+ "typ": null,+ "max": 25,+ "conditions": "Iz=10.5 mA",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Forward voltage",+ "symbol": "VF",+ "kind": "electrical",+ "unit": "V",+ "min": null,+ "typ": null,+ "max": 1.2,+ "conditions": "IF=200 mA (Note 5)",+ "source_page": 3,+ "source": "datasheet"+ },+ {+ "name": "Peak power dissipation",+ "symbol": "PD",+ "kind": "absolute_maximum",+ "unit": "W",+ "min": null,+ "typ": null,+ "max": 1,+ "conditions": "TA=50°C, mounted on 5.0mm2 land areas (Note 1)",+ "source_page": 1,+ "source": "datasheet"+ },+ {+ "name": "Derating above 50°C",+ "symbol": "PD",+ "kind": "absolute_maximum",+ "unit": "mW/°C",+ "min": null,+ "typ": 6.67,+ "max": null,+ "conditions": "Derate above 50°C",+ "source_page": 1,+ "source": "datasheet"+ },+ {+ "name": "Peak forward surge current",+ "symbol": "IFSM",+ "kind": "absolute_maximum",+ "unit": "A",+ "min": null,+ "typ": null,+ "max": 10,+ "conditions": "8.3 ms single half sine-wave superimposed on rated load, JEDEC method (Note 2)",+ "source_page": 1,+ "source": "datasheet"+ },+ {+ "name": "Operating and storage temperature range",+ "symbol": "TJ, TSTG",+ "kind": "absolute_maximum",+ "unit": "°C",+ "min": -55,+ "typ": null,+ "max": 200,+ "conditions": "",+ "source_page": 1,+ "source": "datasheet"+ }+ ]+ }+ },+ "variants": [],+ "sections": [+ "hero",+ "viewers",+ "readme",+ "breadcrumbs",+ "info"+ ],+ "discovery_triggers": [+ "1n4749a"+ ],+ "discovery_pitch": "1N4749A (LGE) 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",+ "1n4749a.kicad_sym",+ "1n4749a.kicad_mod",+ "1n4749a.glb",+ "1n4749a.step",+ "1n4749a.lbr",+ "docs/hero.png",+ "docs/1n4749a-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "1n4749a-hero.glb",+ "1n4749a-hero.overlay.json"+ ]+}