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1n4740apf: factory component page (tier=lcsc)

Ray ·07b22c6e7a ·7d ago ·parent 5163f9c
1 file changed +223−27
page.json+223−27
@@ -1,8 +1,11 @@ {+  "schema_version": 1,+  "type": "component",   "slug": "1n4740apf",+  "title": "1N4740APF",+  "brief": "ST Semtech 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": "ST Semtech 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",-    "1n4740apf.kicad_sym",-    "1n4740apf.kicad_mod",-    "1n4740apf.glb",-    "1n4740apf.step",-    "1n4740apf.lbr",-    "docs/hero.png",-    "docs/1n4740apf-datasheet.pdf",-    "viewers/symbol.html",-    "viewers/footprint.html",-    "1n4740apf-hero.glb",-    "1n4740apf-hero.overlay.json"-  ],   "component": {     "mpn": "1N4740APF",     "manufacturer": "ST Semtech",@@ -124,7 +107,7 @@           5.71         ],         "zmin_mm": -2.5,-        "centre_offset_mm": 0,+        "centre_offset_mm": 0.0,         "footprint_binding": "identity",         "sha256": "c3e23d4b276811b74eecb329bd4480209ad3dbc8cf6e6e3f2a5b542c5ca343c1",         "checked": "2026-10-15",@@ -132,10 +115,223 @@       }     ]   },-  "visibility": "public",-  "org": "adom",+  "metadata": {+    "specs": {+      "Manufacturer": "ST Semtech",+      "Package": "DO-41",+      "Category": "Diodes",+      "Pins": "2"+    },+    "characteristics": {+      "version": 1,+      "source": "datasheet",+      "datasheet_sha256": "dd71dcfee8108242b767b6e1ca826e9b34a19bd03559bcf2f4c78f419fd6b891",+      "rows": [+        {+          "name": "Zener voltage VZT (min) at IZT",+          "symbol": "VZT",+          "kind": "electrical",+          "unit": "V",+          "min": 9.5,+          "typ": null,+          "max": null,+          "conditions": "at IZT = 25 mA; 1N4740APF (A suffix, ±5%)",+          "source_page": 3,+          "source": "datasheet"+        },+        {+          "name": "Zener voltage VZT (max) at IZT",+          "symbol": "VZT",+          "kind": "electrical",+          "unit": "V",+          "min": null,+          "typ": null,+          "max": 10.5,+          "conditions": "at IZT = 25 mA; 1N4740APF (A suffix, ±5%)",+          "source_page": 3,+          "source": "datasheet"+        },+        {+          "name": "Zener voltage tolerance (suffix A)",+          "symbol": "",+          "kind": "tolerance",+          "unit": "%",+          "min": -5,+          "typ": null,+          "max": 5,+          "conditions": "suffix A printed on the datasheet for ±5%",+          "source_page": 1,+          "source": "datasheet"+        },+        {+          "name": "Dynamic resistance ZZT (max)",+          "symbol": "ZZT",+          "kind": "electrical",+          "unit": "Ω",+          "min": null,+          "typ": null,+          "max": 7,+          "conditions": "at IZT = 25 mA; 60 Hz AC, RMS 10% of IZT (note 1)",+          "source_page": 3,+          "source": "datasheet"+        },+        {+          "name": "Dynamic resistance ZZK (max)",+          "symbol": "ZZK",+          "kind": "electrical",+          "unit": "Ω",+          "min": null,+          "typ": null,+          "max": 700,+          "conditions": "at IZK = 0.25 mA (note 1)",+          "source_page": 3,+          "source": "datasheet"+        },+        {+          "name": "Reverse current IR (max)",+          "symbol": "IR",+          "kind": "electrical",+          "unit": "µA",+          "min": null,+          "typ": null,+          "max": 10,+          "conditions": "at VR = 7.6 V",+          "source_page": 3,+          "source": "datasheet"+        },+        {+          "name": "Forward voltage VF (max)",+          "symbol": "VF",+          "kind": "electrical",+          "unit": "V",+          "min": null,+          "typ": null,+          "max": 1.2,+          "conditions": "at IF = 200 mA",+          "source_page": 3,+          "source": "datasheet"+        },+        {+          "name": "Maximum surge current IZSM",+          "symbol": "IZSM",+          "kind": "absolute_maximum",+          "unit": "mA",+          "min": null,+          "typ": null,+          "max": 454,+          "conditions": "1/2 square wave or sine pulse of 1/120 s superimposed on IZT (note 4)",+          "source_page": 3,+          "source": "datasheet"+        },+        {+          "name": "Maximum regulator current IZM",+          "symbol": "IZM",+          "kind": "electrical",+          "unit": "mA",+          "min": null,+          "typ": null,+          "max": 91,+          "conditions": "leads at 8 mm from case kept at ambient temperature (note 2)",+          "source_page": 3,+          "source": "datasheet"+        },+        {+          "name": "Temperature coefficient of VZ (range)",+          "symbol": "",+          "kind": "temperature_coefficient",+          "unit": "%/℃",+          "min": 0.04,+          "typ": null,+          "max": 0.08,+          "conditions": "printed as range 0.04 to 0.08 %/℃ for this variant",+          "source_page": 3,+          "source": "datasheet"+        },+        {+          "name": "Power dissipation Ptot (max)",+          "symbol": "Ptot",+          "kind": "absolute_maximum",+          "unit": "W",+          "min": null,+          "typ": null,+          "max": 1,+          "conditions": "Ta = 25℃; leads at 8 mm from case kept at ambient temperature (note 1)",+          "source_page": 1,+          "source": "datasheet"+        },+        {+          "name": "Junction temperature Tj (max)",+          "symbol": "Tj",+          "kind": "absolute_maximum",+          "unit": "℃",+          "min": null,+          "typ": null,+          "max": 175,+          "conditions": "",+          "source_page": 1,+          "source": "datasheet"+        },+        {+          "name": "Storage temperature range Tstg",+          "symbol": "Tstg",+          "kind": "absolute_maximum",+          "unit": "℃",+          "min": -65,+          "typ": null,+          "max": 175,+          "conditions": "",+          "source_page": 1,+          "source": "datasheet"+        },+        {+          "name": "Thermal resistance junction to ambient air (max)",+          "symbol": "RθJA",+          "kind": "thermal",+          "unit": "℃/W",+          "min": null,+          "typ": null,+          "max": 150,+          "conditions": "leads at 8 mm from case kept at ambient temperature (note 1)",+          "source_page": 1,+          "source": "datasheet"+        }+      ]+    }+  },+  "variants": [],+  "sections": [+    "hero",+    "viewers",+    "readme",+    "breadcrumbs",+    "info"+  ],+  "discovery_triggers": [+    "1n4740apf"+  ],+  "discovery_pitch": "1N4740APF (ST Semtech) component page: datasheet pinout, KiCad symbol, footprint and 3D.",   "author": {     "name": "Ray",     "email": "[email protected]"-  }-}\ No newline at end of file+  },+  "dependencies": {},+  "hero": {+    "type": "image",+    "path": "docs/hero.png"+  },+  "files": [+    "page.json",+    "README.md",+    "1n4740apf.kicad_sym",+    "1n4740apf.kicad_mod",+    "1n4740apf.glb",+    "1n4740apf.step",+    "1n4740apf.lbr",+    "docs/hero.png",+    "docs/1n4740apf-datasheet.pdf",+    "viewers/symbol.html",+    "viewers/footprint.html",+    "1n4740apf-hero.glb",+    "1n4740apf-hero.overlay.json"+  ]+}