LM2903DR

@@ -38,6 +38,20 @@ LM2903DR from UMW, in a SOP-8. Pinout and pin descriptions extracted from the ma - Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm` - 3D model: SOP-8 (KiCad packages3D, STEP) +## 3D model downloads++Two STEP files. Same geometry, different body top:++| File | Size | Use it when |+|---|---|---|+| [`lm2903dr.step`](lm2903dr.step) | 122 KB | You want the bare part, or you mark your own boards. |+| [`lm2903dr-etched.step`](lm2903dr-etched.step) | 1.9 MB | You want the part with `LM2903DR` already on it. |++The marking in the etched file is real recessed geometry cut into the solid, not a+texture or a decal: 472 faces against 147 in the bare model. It+survives export, section views, and rendering in any CAD tool, and it drops straight+into KiCad or Fusion with no extra setup.+ ## Provenance  Data extracted from the manufacturer datasheet, not a distributor listing:

@@ -1,6 +1,6 @@ {   "slug": "lm2903dr",-  "version": "0.1.0",+  "version": "0.2.0",   "type": "component",   "description": "UMW Comparators, SOP-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.",   "tags": [

@@ -4,7 +4,7 @@   "slug": "lm2903dr",   "title": "LM2903DR",   "brief": "UMW Comparators, SOP-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.",-  "version": "0.1.0",+  "version": "0.2.0",   "license": "CC-BY-SA-4.0",   "tags": [     "component",@@ -34,37 +34,37 @@         "number": "1",         "name": "OUTA",         "type": "output",-        "description": "Comparator A open-collector output. Requires an external pull-up resistor to VCC (or another supply). Can sink up to ~20 mA continuously; output saturation voltage typ 150 mV / max 400 mV at I_sink \u2264 4 mA."+        "description": "Comparator A open-collector output. Requires an external pull-up resistor to VCC (or another supply). Can sink up to ~20 mA continuously; output saturation voltage typ 150 mV / max 400 mV at I_sink ≤ 4 mA."       },       {         "number": "2",         "name": "INA-",         "type": "input",-        "description": "Comparator A inverting input. Input bias current typ 25 nA (max 250 nA at 25 \u00b0C). Common-mode range extends from GND up to VCC\u22121.5 V. Absolute input voltage must remain \u2265 \u22120.3 V of ground/V\u2212."+        "description": "Comparator A inverting input. Input bias current typ 25 nA (max 250 nA at 25 °C). Common-mode range extends from GND up to VCC−1.5 V. Absolute input voltage must remain ≥ −0.3 V of ground/V−."       },       {         "number": "3",         "name": "INA+",         "type": "input",-        "description": "Comparator A non-inverting input. Same electrical characteristics as INA\u2212: bias ~25 nA typ, common-mode range 0 V to VCC\u22121.5 V, differential input voltage range up to VCC."+        "description": "Comparator A non-inverting input. Same electrical characteristics as INA−: bias ~25 nA typ, common-mode range 0 V to VCC−1.5 V, differential input voltage range up to VCC."       },       {         "number": "4",         "name": "GND",         "type": "power_in",-        "description": "Negative supply / ground reference (V\u2212). For single-supply operation tie to 0 V; for split-supply operation connect to the negative rail (down to \u221215 V relative to V+)."+        "description": "Negative supply / ground reference (V−). For single-supply operation tie to 0 V; for split-supply operation connect to the negative rail (down to −15 V relative to V+)."       },       {         "number": "5",         "name": "INB+",         "type": "input",-        "description": "Comparator B non-inverting input. Bias ~25 nA typ, common-mode range 0 V to VCC\u22121.5 V; must stay \u2265 \u22120.3 V of V\u2212."+        "description": "Comparator B non-inverting input. Bias ~25 nA typ, common-mode range 0 V to VCC−1.5 V; must stay ≥ −0.3 V of V−."       },       {         "number": "6",         "name": "INB-",         "type": "input",-        "description": "Comparator B inverting input. Same electrical characteristics as the A-side inputs: bias ~25 nA typ, offset \u00b15 mV max, common-mode range 0 V to VCC\u22121.5 V."+        "description": "Comparator B inverting input. Same electrical characteristics as the A-side inputs: bias ~25 nA typ, offset ±5 mV max, common-mode range 0 V to VCC−1.5 V."       },       {         "number": "7",@@ -76,7 +76,7 @@         "number": "8",         "name": "VCC",         "type": "power_in",-        "description": "Positive supply. Single-supply range 2.0 V to 36 V, or +V rail of a split \u00b11.0 V to \u00b115 V supply. Absolute maximum 36 V (single) / \u00b118 V (split). Quiescent current typ 0.4 mA (1 mA max) with both comparators unloaded."+        "description": "Positive supply. Single-supply range 2.0 V to 36 V, or +V rail of a split ±1.0 V to ±15 V supply. Absolute maximum 36 V (single) / ±18 V (split). Quiescent current typ 0.4 mA (1 mA max) with both comparators unloaded."       }     ],     "provenance": {@@ -150,9 +150,9 @@     "docs/hero.png",     "docs/lm2903dr-datasheet.pdf",     "viewers/symbol.html",-    "viewers/footprint.html"+    "viewers/footprint.html",+    "pads.json"   ],-  "visibility": {-    "public": true-  }+  "visibility": "public",+  "description": "UMW Comparators, SOP-8. Datasheet-verified pinout, KiCad symbol/footprint/3D." }\ No newline at end of file