component
78M12
Public Made by Adomby adom
UMW Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, TO-252. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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README.md+14@@ -27,6 +27,20 @@ - Footprint: `Package_TO_SOT_SMD:TO-252-2` - 3D model: TO-252 (KiCad packages3D, STEP) +## 3D model downloads++Two STEP files. Same geometry, different body top:++| File | Size | Use it when |+|---|---|---|+| [`78m12.step`](78m12.step) | 119 KB | You want the bare part, or you mark your own boards. |+| [`78m12-etched.step`](78m12-etched.step) | 1.0 MB | You want the part with `78M12` already on it. |++The marking in the etched file is real recessed geometry cut into the solid, not a+texture or a decal: 285 faces against 83 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:
package.json+1−1@@ -1,6 +1,6 @@ { "slug": "78m12",- "version": "0.1.0",+ "version": "0.2.0", "type": "component", "description": "UMW Youtai Semiconductor Co Ltd Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, TO-252. Datasheet-verified pinout, KiCad symbol/footprint/3D.", "tags": [
page.json+8−5@@ -4,7 +4,7 @@ "slug": "78m12", "title": "78M12", "brief": "UMW Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, TO-252. 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": "GND", "type": "power_in",- "description": "Common ground reference for input and output. In the TO-252/SOT-223 package this pin is bonded to the tab / thermal pad and is the primary thermal path (\u03b8JC = 12.5 \u00b0C/W for TO-252, 15 \u00b0C/W for SOT-223)."+ "description": "Common ground reference for input and output. In the TO-252/SOT-223 package this pin is bonded to the tab / thermal pad and is the primary thermal path (θJC = 12.5 °C/W for TO-252, 15 °C/W for SOT-223)." }, { "number": "3", "name": "OUTPUT", "type": "power_out",- "description": "Regulated +12V DC output, 11.52 V to 12.48 V at 25\u00b0C (Io = 5 mA to 350 mA, Vi = 19V). Sources up to 1A continuous; internally current-limited (Isc \u2248 800 mA at Vi = 35V) and thermally protected. A 0.1uF output capacitor is recommended for stability."+ "description": "Regulated +12V DC output, 11.52 V to 12.48 V at 25°C (Io = 5 mA to 350 mA, Vi = 19V). Sources up to 1A continuous; internally current-limited (Isc ≈ 800 mA at Vi = 35V) and thermally protected. A 0.1uF output capacitor is recommended for stability." } ], "provenance": {@@ -120,6 +120,9 @@ "docs/hero.png", "docs/78m12-datasheet.pdf", "viewers/symbol.html",- "viewers/footprint.html"- ]+ "viewers/footprint.html",+ "pads.json"+ ],+ "description": "UMW Youtai Semiconductor Co Ltd Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, TO-252. Datasheet-verified pinout, KiCad symbol/footprint/3D.",+ "visibility": "public" }