component
ET3157
Public Made by Adomby adom
UMW Analog Switches, Multiplexers, SC-70-6. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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README.md+14@@ -30,6 +30,20 @@ ET3157 from UMW, in a SC-70-6. Pinout and pin descriptions extracted from the ma - Footprint: `Package_TO_SOT_SMD:SOT-363_SC-70-6` - 3D model: SC-70-6 (KiCad packages3D, STEP) +## 3D model downloads++Two STEP files. Same geometry, different body top:++| File | Size | Use it when |+|---|---|---|+| [`et3157.step`](et3157.step) | 99 KB | You want the bare part, or you mark your own boards. |+| [`et3157-etched.step`](et3157-etched.step) | 1.2 MB | You want the part with `ET3157` already on it. |++The marking in the etched file is real recessed geometry cut into the solid, not a+texture or a decal: 301 faces against 117 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": "et3157",- "version": "0.1.0",+ "version": "0.2.0", "type": "component", "description": "Unknown Analog Switches, Multiplexers, SC-70-6. Datasheet-verified pinout, KiCad symbol/footprint/3D.", "tags": [
page.json+8−5@@ -4,7 +4,7 @@ "slug": "et3157", "title": "ET3157", "brief": "UMW Analog Switches, Multiplexers, SC-70-6. Datasheet-verified pinout, KiCad symbol/footprint/3D.",- "version": "0.1.0",+ "version": "0.2.0", "license": "CC-BY-SA-4.0", "tags": [ "component",@@ -34,7 +34,7 @@ "number": "1", "name": "B1", "type": "bidirectional",- "description": "Analog switch data port B1. Passes through to A when Select is high. Analog signal range 0 to VCC; on-resistance typ 3-17\u03a9 depending on VCC."+ "description": "Analog switch data port B1. Passes through to A when Select is high. Analog signal range 0 to VCC; on-resistance typ 3-17Ω depending on VCC." }, { "number": "2",@@ -64,7 +64,7 @@ "number": "6", "name": "Select", "type": "input",- "description": "Digital channel-select input with over-voltage tolerance up to 7V (may exceed VCC). L = route B0\u2192A, H = route B1\u2192A. Must not be left floating."+ "description": "Digital channel-select input with over-voltage tolerance up to 7V (may exceed VCC). L = route B0→A, H = route B1→A. Must not be left floating." } ], "provenance": {@@ -138,6 +138,9 @@ "docs/hero.png", "docs/et3157-datasheet.pdf", "viewers/symbol.html",- "viewers/footprint.html"- ]+ "viewers/footprint.html",+ "pads.json"+ ],+ "description": "Unknown Analog Switches, Multiplexers, SC-70-6. Datasheet-verified pinout, KiCad symbol/footprint/3D.",+ "visibility": "public" }