component
LM2940G-50-AA3-R
Public Made by Adomby adom
UTC Unisonic Tech Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-223-4. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
← Commit history
README.md+14@@ -38,6 +38,20 @@ LM2940G-50-AA3-R from UTC Unisonic Tech, in a SOT-223-4. Pinout and pin descript - Footprint: `Package_TO_SOT_SMD:SOT-223` - 3D model: SOT-223-4 (KiCad packages3D, STEP) +## 3D model downloads++Two STEP files. Same geometry, different body top:++| File | Size | Use it when |+|---|---|---|+| [`lm2940g-50-aa3-r.step`](lm2940g-50-aa3-r.step) | 64 KB | You want the bare part, or you mark your own boards. |+| [`lm2940g-50-aa3-r-etched.step`](lm2940g-50-aa3-r-etched.step) | 2.6 MB | You want the part with `LM2940G-50-AA3-R` already on it. |++The marking in the etched file is real recessed geometry cut into the solid, not a+texture or a decal: 642 faces against 75 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": "lm2940g-50-aa3-r",- "version": "0.1.0",+ "version": "0.2.0", "type": "component", "description": "UTC Unisonic Tech Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-223-4. Datasheet-verified pinout, KiCad symbol/footprint/3D.", "tags": [
page.json+8−5@@ -4,7 +4,7 @@ "slug": "lm2940g-50-aa3-r", "title": "LM2940G-50-AA3-R", "brief": "UTC Unisonic Tech Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-223-4. 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": "Ground reference / return. On SOT-223 the GND pin also serves as the primary thermal path via the tab (\u03b8JA = 174 \u00b0C/W)."+ "description": "Ground reference / return. On SOT-223 the GND pin also serves as the primary thermal path via the tab (θJA = 174 °C/W)." }, { "number": "3", "name": "VOUT", "type": "power_out",- "description": "Regulated 5.0V output (4.85V min, 5.15V max). Supplies up to 1A load current. Requires a minimum 22\u00b5F output capacitor for stability per datasheet."+ "description": "Regulated 5.0V output (4.85V min, 5.15V max). Supplies up to 1A load current. Requires a minimum 22µF output capacitor for stability per datasheet." } ], "provenance": {@@ -120,6 +120,9 @@ "docs/hero.png", "docs/lm2940g-50-aa3-r-datasheet.pdf", "viewers/symbol.html",- "viewers/footprint.html"- ]+ "viewers/footprint.html",+ "pads.json"+ ],+ "description": "UTC Unisonic Tech Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-223-4. Datasheet-verified pinout, KiCad symbol/footprint/3D.",+ "visibility": "public" }