M1820B

@@ -27,6 +27,20 @@ M1820B from Mysentech, in a TO-92S. Pinout and pin descriptions extracted from t - Footprint: `Package_TO_SOT_THT:TO-92_Inline` - 3D model: TO-92S (KiCad packages3D, STEP) +## 3D model downloads++Two STEP files. Same geometry, different body top:++| File | Size | Use it when |+|---|---|---|+| [`m1820b.step`](m1820b.step) | 27 KB | You want the bare part, or you mark your own boards. |+| [`m1820b-etched.step`](m1820b-etched.step) | 1.2 MB | You want the part with `M1820B` already on it. |++The marking in the etched file is real recessed geometry cut into the solid, not a+texture or a decal: 297 faces against 19 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": "m1820b",-  "version": "0.1.0",+  "version": "0.2.0",   "type": "component",   "description": "Mysentech Temperature and Humidity Sensor, TO-92S. Datasheet-verified pinout, KiCad symbol/footprint/3D.",   "tags": [

@@ -4,7 +4,7 @@   "slug": "m1820b",   "title": "M1820B",   "brief": "Mysentech Temperature and Humidity Sensor, TO-92S. Datasheet-verified pinout, KiCad symbol/footprint/3D.",-  "version": "0.1.0",+  "version": "0.2.0",   "license": "CC-BY-SA-4.0",   "tags": [     "component",@@ -40,13 +40,13 @@         "number": "2",         "name": "DQ",         "type": "bidirectional",-        "description": "1-Wire single-bus data I/O. Open-drain/tri-state pin: requires an external pull-up resistor (typ 4.7 k\u03a9, 1-10 k\u03a9; use 1 k\u03a9 for long cables or multi-drop). VIL \u2264 0.3\u00b7VDD, VIH \u2265 0.7\u00b7VDD; VOL \u2264 0.4 V at IOL = \u22123 mA. Bus idle state is high; a hold-low > 480 \u00b5s resets all devices on the bus."+        "description": "1-Wire single-bus data I/O. Open-drain/tri-state pin: requires an external pull-up resistor (typ 4.7 kΩ, 1-10 kΩ; use 1 kΩ for long cables or multi-drop). VIL ≤ 0.3·VDD, VIH ≥ 0.7·VDD; VOL ≤ 0.4 V at IOL = −3 mA. Bus idle state is high; a hold-low > 480 µs resets all devices on the bus."       },       {         "number": "3",         "name": "VDD",         "type": "power_in",-        "description": "Positive supply, 1.8-5.5 V (typ 3.3 V; absolute max 6 V). IDD \u2248 0.1 \u00b5A idle (single-shot mode), 450 \u00b5A peak during conversion, 4.8 \u00b5A average at 1 measurement/s. For long cables or multi-drop networks keep VDD \u2265 3.3 V."+        "description": "Positive supply, 1.8-5.5 V (typ 3.3 V; absolute max 6 V). IDD ≈ 0.1 µA idle (single-shot mode), 450 µA peak during conversion, 4.8 µA average at 1 measurement/s. For long cables or multi-drop networks keep VDD ≥ 3.3 V."       }     ],     "provenance": {@@ -72,8 +72,8 @@     "pin1": {       "pad": "1",       "at": [-        0.0,-        0.0+        0,+        0       ],       "corner": "bottom-right",       "source": "pad-position",@@ -120,9 +120,9 @@     "docs/hero.png",     "docs/m1820b-datasheet.pdf",     "viewers/symbol.html",-    "viewers/footprint.html"+    "viewers/footprint.html",+    "pads.json"   ],-  "visibility": {-    "public": true-  }+  "visibility": "public",+  "description": "Mysentech Temperature and Humidity Sensor, TO-92S. Datasheet-verified pinout, KiCad symbol/footprint/3D." }\ No newline at end of file