component
1N5255B
Public Made by Adomby adom
ST(Semtech) Zener Diodes, DO-35. 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+199−27@@ -1,8 +1,11 @@ {+ "schema_version": 1,+ "type": "component", "slug": "1n5255b",+ "title": "1N5255B",+ "brief": "ST(Semtech) Zener Diodes, DO-35. 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": "ST(Semtech) Zener Diodes, DO-35. 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",- "1n5255b.kicad_sym",- "1n5255b.kicad_mod",- "1n5255b.glb",- "1n5255b.step",- "1n5255b.lbr",- "docs/hero.png",- "docs/1n5255b-datasheet.pdf",- "viewers/symbol.html",- "viewers/footprint.html",- "1n5255b-hero.glb",- "1n5255b-hero.overlay.json"- ], "component": { "mpn": "1N5255B", "manufacturer": "ST(Semtech)",@@ -127,7 +110,7 @@ 5.01 ], "zmin_mm": -2.5,- "centre_offset_mm": 0,+ "centre_offset_mm": 0.0, "footprint_binding": "identity", "sha256": "9704292191fcb13b3dfc88c1e572df18313ac20023bb230486c878d8dddfdb54", "checked": "2026-10-30",@@ -162,10 +145,199 @@ } } },- "visibility": "public",- "org": "adom",+ "metadata": {+ "specs": {+ "Manufacturer": "ST(Semtech)",+ "Package": "DO-35",+ "Category": "Diodes",+ "Pins": "2"+ },+ "characteristics": {+ "version": 1,+ "source": "datasheet",+ "datasheet_sha256": "31e7ca5738ce26b3cd9e7e2a3fd549798b4b3b093102d93face521bdf9ae35aa",+ "rows": [+ {+ "name": "Zener voltage VZT (min/max)",+ "symbol": "VZT",+ "kind": "electrical",+ "unit": "V",+ "min": 26.6,+ "typ": null,+ "max": 29.4,+ "conditions": "at IZT = 4.5 mA; tested with pulses tp = 20 ms",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Dynamic resistance ZZT",+ "symbol": "ZZT",+ "kind": "electrical",+ "unit": "Ω",+ "min": null,+ "typ": null,+ "max": 44,+ "conditions": "at IZT = 4.5 mA",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Dynamic resistance ZZK",+ "symbol": "ZZK",+ "kind": "electrical",+ "unit": "Ω",+ "min": null,+ "typ": null,+ "max": 600,+ "conditions": "at IZK = 0.25 mA",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Reverse current IR",+ "symbol": "IR",+ "kind": "electrical",+ "unit": "µA",+ "min": null,+ "typ": null,+ "max": 0.1,+ "conditions": "at VR = 21 V",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Temperature coefficient of Zener voltage TKVZ",+ "symbol": "TKVZ",+ "kind": "temperature_coefficient",+ "unit": "%/K",+ "min": null,+ "typ": null,+ "max": 0.091,+ "conditions": "",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Zener voltage tolerance (suffix B)",+ "symbol": "",+ "kind": "tolerance",+ "unit": "%",+ "min": -5,+ "typ": null,+ "max": 5,+ "conditions": "suffix B = ±5% tolerance",+ "source_page": 1,+ "source": "datasheet"+ },+ {+ "name": "Nominal Zener voltage VZnom",+ "symbol": "VZnom",+ "kind": "electrical",+ "unit": "V",+ "min": null,+ "typ": 28,+ "max": null,+ "conditions": "",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Power dissipation Ptot",+ "symbol": "Ptot",+ "kind": "absolute_maximum",+ "unit": "mW",+ "min": null,+ "typ": null,+ "max": 500,+ "conditions": "leads kept at ambient temperature at 8 mm from case",+ "source_page": 1,+ "source": "datasheet"+ },+ {+ "name": "Junction temperature Tj",+ "symbol": "Tj",+ "kind": "absolute_maximum",+ "unit": "°C",+ "min": null,+ "typ": null,+ "max": 200,+ "conditions": "",+ "source_page": 1,+ "source": "datasheet"+ },+ {+ "name": "Storage temperature range Tstg",+ "symbol": "Tstg",+ "kind": "absolute_maximum",+ "unit": "°C",+ "min": -65,+ "typ": null,+ "max": 200,+ "conditions": "",+ "source_page": 1,+ "source": "datasheet"+ },+ {+ "name": "Thermal resistance junction to ambient air RθJA",+ "symbol": "RθJA",+ "kind": "thermal",+ "unit": "K/mW",+ "min": null,+ "typ": null,+ "max": 0.3,+ "conditions": "leads kept at ambient temperature at 8 mm from case",+ "source_page": 1,+ "source": "datasheet"+ },+ {+ "name": "Forward voltage VF",+ "symbol": "VF",+ "kind": "electrical",+ "unit": "V",+ "min": null,+ "typ": null,+ "max": 1.1,+ "conditions": "IF = 200 mA",+ "source_page": 1,+ "source": "datasheet"+ }+ ]+ }+ },+ "variants": [],+ "sections": [+ "hero",+ "viewers",+ "readme",+ "breadcrumbs",+ "info"+ ],+ "discovery_triggers": [+ "1n5255b"+ ],+ "discovery_pitch": "1N5255B (ST(Semtech)) 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",+ "1n5255b.kicad_sym",+ "1n5255b.kicad_mod",+ "1n5255b.glb",+ "1n5255b.step",+ "1n5255b.lbr",+ "docs/hero.png",+ "docs/1n5255b-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "1n5255b-hero.glb",+ "1n5255b-hero.overlay.json"+ ]+}