LM321

@@ -29,6 +29,20 @@ LM321 from Slkor SLKORMICRO Elec, in a SOT-23-5. Pinout and pin descriptions ext - Footprint: `Package_TO_SOT_SMD:SOT-23-5` - 3D model: SOT-23-5 (KiCad packages3D, STEP) +## 3D model downloads++Two STEP files. Same geometry, different body top:++| File | Size | Use it when |+|---|---|---|+| [`lm321.step`](lm321.step) | 85 KB | You want the bare part, or you mark your own boards. |+| [`lm321-etched.step`](lm321-etched.step) | 1.0 MB | You want the part with `LM321` already on it. |++The marking in the etched file is real recessed geometry cut into the solid, not a+texture or a decal: 265 faces against 102 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": "lm321",-  "version": "0.1.0",+  "version": "0.2.0",   "type": "component",   "description": "Slkor SLKORMICRO Elec Operational Amplifier, SOT-23-5. Datasheet-verified pinout, KiCad symbol/footprint/3D.",   "tags": [

@@ -4,7 +4,7 @@   "slug": "lm321",   "title": "LM321",   "brief": "Slkor SLKORMICRO Elec Operational Amplifier, SOT-23-5. Datasheet-verified pinout, KiCad symbol/footprint/3D.",-  "version": "0.1.0",+  "version": "0.2.0",   "license": "CC-BY-SA-4.0",   "tags": [     "component",@@ -34,19 +34,19 @@         "number": "1",         "name": "+IN",         "type": "input",-        "description": "Non-inverting op-amp input. Input bias current typ. \u00b145 nA (max \u00b1250 nA); common-mode input voltage range includes ground up to V+ \u2212 1.5 V."+        "description": "Non-inverting op-amp input. Input bias current typ. ±45 nA (max ±250 nA); common-mode input voltage range includes ground up to V+ − 1.5 V."       },       {         "number": "2",         "name": "V-",         "type": "power_in",-        "description": "Negative supply / ground pin. Tie to GND for single-supply operation, or to the negative rail for split-supply operation (\u00b112 V max, 24 V total across V+ to V-)."+        "description": "Negative supply / ground pin. Tie to GND for single-supply operation, or to the negative rail for split-supply operation (±12 V max, 24 V total across V+ to V-)."       },       {         "number": "3",         "name": "-IN",         "type": "input",-        "description": "Inverting op-amp input. Input offset voltage typ. \u00b12 mV (max \u00b15 mV); differential input voltage rating 24 V."+        "description": "Inverting op-amp input. Input offset voltage typ. ±2 mV (max ±5 mV); differential input voltage rating 24 V."       },       {         "number": "4",@@ -58,7 +58,7 @@         "number": "5",         "name": "V+",         "type": "power_in",-        "description": "Positive supply pin. Absolute maximum supply voltage 24 V (single) or \u00b112 V (split). Supply current typ. 0.5 mA at V+ = 5 V, 0.7 mA at V+ = 24 V."+        "description": "Positive supply pin. Absolute maximum supply voltage 24 V (single) or ±12 V (split). Supply current typ. 0.5 mA at V+ = 5 V, 0.7 mA at V+ = 24 V."       }     ],     "provenance": {@@ -132,9 +132,9 @@     "docs/hero.png",     "docs/lm321-datasheet.pdf",     "viewers/symbol.html",-    "viewers/footprint.html"+    "viewers/footprint.html",+    "pads.json"   ],-  "visibility": {-    "public": true-  }+  "visibility": "public",+  "description": "Slkor SLKORMICRO Elec Operational Amplifier, SOT-23-5. Datasheet-verified pinout, KiCad symbol/footprint/3D." }\ No newline at end of file