component
SMF4L43CA
Public Made by Adomby adom
Littelfuse TVS, SOD-123F. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.
← Commit history
page.json+210−28@@ -1,8 +1,11 @@ {+ "schema_version": 1,+ "type": "component", "slug": "smf4l43ca",+ "title": "SMF4L43CA",+ "brief": "Littelfuse TVS, SOD-123F. 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": "Littelfuse TVS, SOD-123F. 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", "tvs-fuse-board level protection",@@ -10,26 +13,6 @@ "factory-2.0.0", "extractor-text" ],- "dependencies": {},- "hero": {- "type": "image",- "path": "docs/hero.png"- },- "files": [- "page.json",- "README.md",- "smf4l43ca.kicad_sym",- "smf4l43ca.kicad_mod",- "smf4l43ca.glb",- "smf4l43ca.step",- "smf4l43ca.lbr",- "docs/hero.png",- "docs/smf4l43ca-datasheet.pdf",- "viewers/symbol.html",- "viewers/footprint.html",- "smf4l43ca-hero.glb",- "smf4l43ca-hero.overlay.json"- ], "component": { "mpn": "SMF4L43CA", "manufacturer": "Littelfuse",@@ -125,8 +108,8 @@ 1.6, 1.1 ],- "zmin_mm": 0,- "centre_offset_mm": 0,+ "zmin_mm": -0.0,+ "centre_offset_mm": 0.0, "footprint_binding": "identity", "sha256": "132323445e3d1f9231e81c083cd88a33cd204dd8b96063bb2ed1f3ab4470c7e7", "checked": "2026-10-30",@@ -134,10 +117,209 @@ } ] },- "visibility": "public",- "org": "adom",+ "metadata": {+ "specs": {+ "Manufacturer": "Littelfuse",+ "Package": "SOD-123F",+ "Category": "TVS/Fuse/Board Level Protection",+ "Pins": "2"+ },+ "appearance": {+ "contacts": {+ "quote": "■ Matte tin lead–free plated ■ Halogen-free and RoHS",+ "page": 1,+ "doc": "ds.pdf",+ "plating": "tin"+ },+ "version": 1,+ "datasheet_sha256": "b218e4b484af09d8985fdd4652ec44f0b71f6e6df6a3d50fa228b79e02335d69"+ },+ "characteristics": {+ "version": 1,+ "source": "datasheet",+ "datasheet_sha256": "b218e4b484af09d8985fdd4652ec44f0b71f6e6df6a3d50fa228b79e02335d69",+ "rows": [+ {+ "name": "Breakdown Voltage (bi-directional)",+ "symbol": "VBR",+ "kind": "electrical",+ "unit": "V",+ "min": 47.8,+ "typ": null,+ "max": 52.8,+ "conditions": "IT = 1 mA",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Maximum Reverse Leakage",+ "symbol": "IR",+ "kind": "electrical",+ "unit": "µA",+ "min": null,+ "typ": null,+ "max": 1,+ "conditions": "at VR = 43 V",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Maximum Peak Pulse Current",+ "symbol": "Ipp",+ "kind": "electrical",+ "unit": "A",+ "min": null,+ "typ": null,+ "max": 5.8,+ "conditions": "10/1000µs (Note 2)",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Maximum Clamping Voltage",+ "symbol": "VC",+ "kind": "electrical",+ "unit": "V",+ "min": null,+ "typ": null,+ "max": 69.4,+ "conditions": "@ Ipp",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Peak Pulse Power Dissipation",+ "symbol": "PPPM",+ "kind": "absolute_maximum",+ "unit": "W",+ "min": null,+ "typ": null,+ "max": 2000,+ "conditions": "8/20µs (Note 2)",+ "source_page": 1,+ "source": "datasheet"+ },+ {+ "name": "Peak Pulse Power Dissipation",+ "symbol": "PPPM",+ "kind": "absolute_maximum",+ "unit": "W",+ "min": null,+ "typ": null,+ "max": 400,+ "conditions": "10/1000µs (Note 3)",+ "source_page": 1,+ "source": "datasheet"+ },+ {+ "name": "Power Dissipation On Infinite Heat Sink",+ "symbol": "PD",+ "kind": "absolute_maximum",+ "unit": "W",+ "min": null,+ "typ": null,+ "max": 1,+ "conditions": "TL = 50ºC",+ "source_page": 1,+ "source": "datasheet"+ },+ {+ "name": "Operating and Storage Temperature Range",+ "symbol": "TJ,TSTG",+ "kind": "absolute_maximum",+ "unit": "°C",+ "min": -55,+ "typ": null,+ "max": 150,+ "conditions": "",+ "source_page": 1,+ "source": "datasheet"+ },+ {+ "name": "Reverse Stand-off Voltage",+ "symbol": "VR",+ "kind": "recommended_operating",+ "unit": "V",+ "min": null,+ "typ": null,+ "max": 43,+ "conditions": "",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Thermal Resistance Junction to Ambient",+ "symbol": "RƟJA",+ "kind": "thermal",+ "unit": "°C/W",+ "min": null,+ "typ": 220,+ "max": null,+ "conditions": "",+ "source_page": 1,+ "source": "datasheet"+ },+ {+ "name": "Thermal Resistance Junction to Lead",+ "symbol": "RƟJL",+ "kind": "thermal",+ "unit": "°C/W",+ "min": null,+ "typ": 100,+ "max": null,+ "conditions": "",+ "source_page": 1,+ "source": "datasheet"+ },+ {+ "name": "VBR Temperature Coefficient",+ "symbol": "αT",+ "kind": "temperature_coefficient",+ "unit": "%",+ "min": null,+ "typ": 0.1,+ "max": null,+ "conditions": "VBR @ TJ = VBR@25°C x (1+αT x (TJ - 25))",+ "source_page": 1,+ "source": "datasheet"+ }+ ]+ }+ },+ "variants": [],+ "sections": [+ "hero",+ "viewers",+ "readme",+ "breadcrumbs",+ "info"+ ],+ "discovery_triggers": [+ "smf4l43ca"+ ],+ "discovery_pitch": "SMF4L43CA (Littelfuse) 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",+ "smf4l43ca.kicad_sym",+ "smf4l43ca.kicad_mod",+ "smf4l43ca.glb",+ "smf4l43ca.step",+ "smf4l43ca.lbr",+ "docs/hero.png",+ "docs/smf4l43ca-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "smf4l43ca-hero.glb",+ "smf4l43ca-hero.overlay.json"+ ]+}