component
ZM4738APF-M
Public Made by Adomby adom
ST(Semtech) Zener Diodes, LL-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+212−28@@ -1,8 +1,11 @@ {+ "schema_version": 1,+ "type": "component", "slug": "zm4738apf-m",+ "title": "ZM4738APF-M",+ "brief": "ST(Semtech) Zener Diodes, LL-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": "ST(Semtech) Zener Diodes, LL-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",- "zm4738apf-m.kicad_sym",- "zm4738apf-m.kicad_mod",- "zm4738apf-m.glb",- "zm4738apf-m.step",- "zm4738apf-m.lbr",- "docs/hero.png",- "docs/zm4738apf-m-datasheet.pdf",- "viewers/symbol.html",- "viewers/footprint.html",- "zm4738apf-m-hero.glb",- "zm4738apf-m-hero.overlay.json"- ], "component": { "mpn": "ZM4738APF-M", "manufacturer": "ST(Semtech)",@@ -123,8 +106,8 @@ 2.2, 2.2 ],- "zmin_mm": 0,- "centre_offset_mm": 0,+ "zmin_mm": 0.0,+ "centre_offset_mm": 0.0, "footprint_binding": "identity", "sha256": "3b1fa81e2e3ea0ef2e0ddbeb3f62b354a14174610250e6069a5076959a63f835", "checked": "2026-10-22",@@ -132,10 +115,211 @@ } ] },- "visibility": "public",- "org": "adom",+ "metadata": {+ "specs": {+ "Manufacturer": "ST(Semtech)",+ "Package": "LL-41",+ "Category": "Diodes",+ "Pins": "2"+ },+ "characteristics": {+ "version": 1,+ "source": "datasheet",+ "datasheet_sha256": "260d3c825d457f5ea6cfd9f8859858639729c37503b832fa6a6c7bd5974bf097",+ "rows": [+ {+ "name": "Zener tolerance (suffix A)",+ "symbol": "",+ "kind": "tolerance",+ "unit": "%",+ "min": -5,+ "typ": null,+ "max": 5,+ "conditions": "Suffix A = ±5%",+ "source_page": 1,+ "source": "datasheet"+ },+ {+ "name": "Nominal Zener voltage",+ "symbol": "Vz",+ "kind": "electrical",+ "unit": "V",+ "min": null,+ "typ": 8.2,+ "max": null,+ "conditions": "at IZT = 31 mA, Tamb = 25 °C",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Forward voltage",+ "symbol": "VF",+ "kind": "electrical",+ "unit": "V",+ "min": null,+ "typ": null,+ "max": 1.2,+ "conditions": "IF = 200mA",+ "source_page": 1,+ "source": "datasheet"+ },+ {+ "name": "Maximum Zener impedance",+ "symbol": "ZZT",+ "kind": "electrical",+ "unit": "Ω",+ "min": null,+ "typ": null,+ "max": 4.5,+ "conditions": "at IZT",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Maximum Zener impedance (knee)",+ "symbol": "ZZK",+ "kind": "electrical",+ "unit": "Ω",+ "min": null,+ "typ": null,+ "max": 700,+ "conditions": "at IZK = 0.5 mA",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Maximum reverse leakage current",+ "symbol": "IR",+ "kind": "electrical",+ "unit": "μA",+ "min": null,+ "typ": null,+ "max": 10,+ "conditions": "VR = 6 V, TA = 25 °C",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Surge current",+ "symbol": "IR",+ "kind": "electrical",+ "unit": "mA",+ "min": null,+ "typ": null,+ "max": 550,+ "conditions": "Tested with pulses tp = 20 ms",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Maximum regulator current",+ "symbol": "IZM",+ "kind": "electrical",+ "unit": "mA",+ "min": null,+ "typ": null,+ "max": 110,+ "conditions": "electrodes kept at ambient temperature",+ "source_page": 2,+ "source": "datasheet"+ },+ {+ "name": "Thermal resistance junction to ambient",+ "symbol": "RthA",+ "kind": "thermal",+ "unit": "K/W",+ "min": null,+ "typ": null,+ "max": 170,+ "conditions": "Tamb = 25 °C, electrodes kept at ambient temperature",+ "source_page": 1,+ "source": "datasheet"+ },+ {+ "name": "Power dissipation",+ "symbol": "Ptot",+ "kind": "absolute_maximum",+ "unit": "W",+ "min": null,+ "typ": null,+ "max": 1,+ "conditions": "Ta = 25 °C, electrodes kept at ambient temperature",+ "source_page": 1,+ "source": "datasheet"+ },+ {+ "name": "Junction temperature",+ "symbol": "Tj",+ "kind": "absolute_maximum",+ "unit": "°C",+ "min": null,+ "typ": null,+ "max": 175,+ "conditions": "Ta = 25 °C",+ "source_page": 1,+ "source": "datasheet"+ },+ {+ "name": "Storage temperature range",+ "symbol": "TS",+ "kind": "absolute_maximum",+ "unit": "°C",+ "min": -65,+ "typ": null,+ "max": 175,+ "conditions": "Ta = 25 °C",+ "source_page": 1,+ "source": "datasheet"+ },+ {+ "name": "Zener test current",+ "symbol": "IZT",+ "kind": "electrical",+ "unit": "mA",+ "min": null,+ "typ": 31,+ "max": null,+ "conditions": "Test current",+ "source_page": 2,+ "source": "datasheet"+ }+ ]+ }+ },+ "variants": [],+ "sections": [+ "hero",+ "viewers",+ "readme",+ "breadcrumbs",+ "info"+ ],+ "discovery_triggers": [+ "zm4738apf-m"+ ],+ "discovery_pitch": "ZM4738APF-M (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",+ "zm4738apf-m.kicad_sym",+ "zm4738apf-m.kicad_mod",+ "zm4738apf-m.glb",+ "zm4738apf-m.step",+ "zm4738apf-m.lbr",+ "docs/hero.png",+ "docs/zm4738apf-m-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "zm4738apf-m-hero.glb",+ "zm4738apf-m-hero.overlay.json"+ ]+}