component
SMF78CA
Public Made by Adomby adom
Liown Electrostatic And Surge Protection (TVS/ESD), SOD-123FL. 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+190−30@@ -1,8 +1,11 @@ {+ "schema_version": 1,+ "type": "component", "slug": "smf78ca",+ "title": "SMF78CA",+ "brief": "Liown Electrostatic And Surge Protection (TVS/ESD), SOD-123FL. 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": "Liown Electrostatic And Surge Protection (TVS/ESD), SOD-123FL. 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",- "smf78ca.kicad_sym",- "smf78ca.kicad_mod",- "smf78ca.glb",- "smf78ca.step",- "smf78ca.lbr",- "docs/hero.png",- "docs/smf78ca-datasheet.pdf",- "viewers/symbol.html",- "viewers/footprint.html",- "smf78ca-hero.glb",- "smf78ca-hero.overlay.json"- ], "component": { "mpn": "SMF78CA", "manufacturer": "Liown",@@ -126,8 +109,8 @@ 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": "2026-11-04",@@ -141,14 +124,14 @@ "nom_mm": 2.8, "range_mm": [ 2.6,- 3+ 3.0 ] }, "E1": { "nom_mm": 1.8, "range_mm": [ 1.6,- 2+ 2.0 ] }, "E": {@@ -176,10 +159,187 @@ } } },- "visibility": "public",- "org": "adom",+ "metadata": {+ "specs": {+ "Manufacturer": "Liown",+ "Package": "SOD-123FL",+ "Category": "TVS/Fuse/Board Level Protection",+ "Pins": "2"+ },+ "characteristics": {+ "version": 1,+ "source": "datasheet",+ "datasheet_sha256": "1a9bdebdaaf8c69344e70c87c4090d0314c033c32bf16280a1129aa1484b5675",+ "rows": [+ {+ "name": "Breakdown voltage (min), bidirectional SMF78CA",+ "symbol": "VB",+ "kind": "electrical",+ "unit": "V",+ "min": 86.7,+ "typ": null,+ "max": null,+ "conditions": "@ IT = 1 mA",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Breakdown voltage (max), bidirectional SMF78CA",+ "symbol": "VB",+ "kind": "electrical",+ "unit": "V",+ "min": null,+ "typ": null,+ "max": 95.8,+ "conditions": "@ IT = 1 mA",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Maximum clamping voltage, bidirectional SMF78CA",+ "symbol": "VC",+ "kind": "electrical",+ "unit": "V",+ "min": null,+ "typ": null,+ "max": 126,+ "conditions": "@ IPP = 1.6 A",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Reverse leakage current, bidirectional SMF78CA",+ "symbol": "IR",+ "kind": "electrical",+ "unit": "µA",+ "min": null,+ "typ": null,+ "max": 1,+ "conditions": "@ VR = 78 V",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Peak pulse power dissipation, 10/1000 µs waveform",+ "symbol": "PPPM",+ "kind": "absolute_maximum",+ "unit": "W",+ "min": null,+ "typ": null,+ "max": 200,+ "conditions": "10/1000μs waveform (Note1, Note2, Fig.1)",+ "source_page": 1,+ "source": "datasheet"+ },+ {+ "name": "Peak pulse power, 8/20 µs waveform",+ "symbol": "PPPM",+ "kind": "absolute_maximum",+ "unit": "W",+ "min": null,+ "typ": null,+ "max": 1000,+ "conditions": "tp=8/20μs waveform",+ "source_page": 1,+ "source": "datasheet"+ },+ {+ "name": "Steady state power dissipation",+ "symbol": "PM(AV)",+ "kind": "absolute_maximum",+ "unit": "W",+ "min": null,+ "typ": null,+ "max": 1,+ "conditions": "TL=75℃ (Fig.5)",+ "source_page": 1,+ "source": "datasheet"+ },+ {+ "name": "Peak forward surge current",+ "symbol": "IFSM",+ "kind": "absolute_maximum",+ "unit": "A",+ "min": null,+ "typ": null,+ "max": 20,+ "conditions": "8.3ms single half sine-wave superimposed on rated load, (JEDEC Method) (Note3, Fig.6)",+ "source_page": 1,+ "source": "datasheet"+ },+ {+ "name": "Operating junction and storage temperature range",+ "symbol": "TJ、TSTG",+ "kind": "absolute_maximum",+ "unit": "℃",+ "min": -55,+ "typ": null,+ "max": 150,+ "conditions": "",+ "source_page": 1,+ "source": "datasheet"+ },+ {+ "name": "Typical thermal resistance, junction to lead",+ "symbol": "RθJL",+ "kind": "thermal",+ "unit": "℃/W",+ "min": null,+ "typ": 100,+ "max": null,+ "conditions": "",+ "source_page": 1,+ "source": "datasheet"+ },+ {+ "name": "Typical thermal resistance, junction to ambient",+ "symbol": "RθJA",+ "kind": "thermal",+ "unit": "℃/W",+ "min": null,+ "typ": 220,+ "max": null,+ "conditions": "",+ "source_page": 1,+ "source": "datasheet"+ }+ ]+ }+ },+ "variants": [],+ "sections": [+ "hero",+ "viewers",+ "readme",+ "breadcrumbs",+ "info"+ ],+ "discovery_triggers": [+ "smf78ca"+ ],+ "discovery_pitch": "SMF78CA (Liown) 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",+ "smf78ca.kicad_sym",+ "smf78ca.kicad_mod",+ "smf78ca.glb",+ "smf78ca.step",+ "smf78ca.lbr",+ "docs/hero.png",+ "docs/smf78ca-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "smf78ca-hero.glb",+ "smf78ca-hero.overlay.json"+ ]+}