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+4−4@@ -1,8 +1,8 @@ # ET3157 -**Unknown** · Analog Switches, Multiplexers · SC-70-6+**UMW** · Analog Switches, Multiplexers · SC-70-6 -ET3157 from Unknown, in a SC-70-6. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.+ET3157 from UMW, in a SC-70-6. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD. ## Pinout @@ -19,7 +19,7 @@ ET3157 from Unknown, in a SC-70-6. Pinout and pin descriptions extracted from th | Parameter | Value | |---|---|-| Manufacturer | Unknown |+| Manufacturer | UMW | | Package | SC-70-6 | | Category | Interface | | Pins | 6 |@@ -34,7 +34,7 @@ ET3157 from Unknown, in a SC-70-6. Pinout and pin descriptions extracted from th Data extracted from the manufacturer datasheet, not a distributor listing: -- **Datasheet:** [Unknown datasheet](docs/et3157-datasheet.pdf) (13 pp, sha256 `3aefe2b48b982b83`, retrieved 2026-08-17, tier: lcsc)+- **Datasheet:** [UMW datasheet](docs/et3157-datasheet.pdf) (13 pp, sha256 `3aefe2b48b982b83`, retrieved 2026-08-17, tier: lcsc) - **Extractor:** `ds2sf` (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate. - **CAD:** KiCad official libraries (CC-BY-SA 4.0).
page.json+124−127@@ -1,133 +1,130 @@ {- "schema_version": 1,- "type": "component",- "slug": "et3157",- "title": "ET3157",- "brief": "Unknown Analog Switches, Multiplexers, SC-70-6. Datasheet-verified pinout, KiCad symbol/footprint/3D.",- "version": "0.1.0",- "license": "CC-BY-SA-4.0",- "tags": [- "component",- "interface",- "et3157"- ],- "component": {- "mpn": "ET3157",- "manufacturer": "Unknown",- "package": "SC-70-6",- "pin_count": 6,- "category": "Interface",- "subcategory": "Analog Switches, Multiplexers",- "datasheet": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2311091739_UMW-Youtai-Semiconductor-Co---Ltd--ET3157_C2904735.pdf",- "parts": {- "symbol": "et3157.kicad_sym",- "footprint": "et3157.kicad_mod",- "model_3d": "et3157.glb",- "model_3d_step": "et3157.step",- "lbr": "et3157.lbr"- },- "distributor_links": {},- "pins": [- {- "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 3-17Ω depending on VCC."- },- {- "number": "2",- "name": "GND",- "type": "power_in",- "description": "Ground / substrate reference (Land)."- },- {- "number": "3",- "name": "B0",- "type": "bidirectional",- "description": "Analog switch data port B0. Passes through to A when Select is low. Analog signal range 0 to VCC."- },- {- "number": "4",- "name": "A",- "type": "bidirectional",- "description": "Common analog switch port A. Connects to B0 (Select=L) or B1 (Select=H). Bidirectional analog signal path."- },- {- "number": "5",- "name": "VCC",- "type": "power_in",- "description": "Positive supply, 1.65V to 5.5V operating (absolute max 7V). Sets the analog signal range and logic thresholds."- },- {- "number": "6",- "name": "Select",- "type": "input",- "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": {- "extractor": "ds2sf",- "datasheet": {- "url": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2311091739_UMW-Youtai-Semiconductor-Co---Ltd--ET3157_C2904735.pdf",- "pages": 13,- "sha256": "3aefe2b48b982b83",- "source_tier": "lcsc"- },- "cad": "KiCad official (CC-BY-SA 4.0)",- "pins": {- "total": 6,- "described": 6,- "cites_pages": true,- "refuses_to_fabricate": true- }- },- "viewers": {- "symbol": "viewers/symbol.html",- "footprint": "viewers/footprint.html"- }- },- "metadata": {- "specs": {- "Manufacturer": "Unknown",- "Package": "SC-70-6",- "Category": "Interface",- "Pins": "6"- }+ "schema_version": 1,+ "type": "component",+ "slug": "et3157",+ "title": "ET3157",+ "brief": "UMW Analog Switches, Multiplexers, SC-70-6. Datasheet-verified pinout, KiCad symbol/footprint/3D.",+ "version": "0.1.0",+ "license": "CC-BY-SA-4.0",+ "tags": [+ "component",+ "interface",+ "et3157"+ ],+ "component": {+ "mpn": "ET3157",+ "manufacturer": "UMW",+ "package": "SC-70-6",+ "pin_count": 6,+ "category": "Interface",+ "subcategory": "Analog Switches, Multiplexers",+ "datasheet": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2311091739_UMW-Youtai-Semiconductor-Co---Ltd--ET3157_C2904735.pdf",+ "parts": {+ "symbol": "et3157.kicad_sym",+ "footprint": "et3157.kicad_mod",+ "model_3d": "et3157.glb",+ "model_3d_step": "et3157.step",+ "lbr": "et3157.lbr" },- "sections": [- "hero",- "viewers",- "readme",- "breadcrumbs",- "info"- ],- "discovery_triggers": [- "et3157"+ "distributor_links": {},+ "pins": [+ {+ "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."+ },+ {+ "number": "2",+ "name": "GND",+ "type": "power_in",+ "description": "Ground / substrate reference (Land)."+ },+ {+ "number": "3",+ "name": "B0",+ "type": "bidirectional",+ "description": "Analog switch data port B0. Passes through to A when Select is low. Analog signal range 0 to VCC."+ },+ {+ "number": "4",+ "name": "A",+ "type": "bidirectional",+ "description": "Common analog switch port A. Connects to B0 (Select=L) or B1 (Select=H). Bidirectional analog signal path."+ },+ {+ "number": "5",+ "name": "VCC",+ "type": "power_in",+ "description": "Positive supply, 1.65V to 5.5V operating (absolute max 7V). Sets the analog signal range and logic thresholds."+ },+ {+ "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."+ } ],- "discovery_pitch": "ET3157 (Unknown) component page with datasheet-verified CAD.",- "author": {- "name": "Ray",- "email": "[email protected]"+ "provenance": {+ "extractor": "ds2sf",+ "datasheet": {+ "url": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2311091739_UMW-Youtai-Semiconductor-Co---Ltd--ET3157_C2904735.pdf",+ "pages": 13,+ "sha256": "3aefe2b48b982b83",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 6,+ "described": 6,+ "cites_pages": true,+ "refuses_to_fabricate": true+ } },- "dependencies": {},- "hero": {- "type": "image",- "path": "docs/hero.png"- },- "files": [- "page.json",- "README.md",- "et3157.kicad_sym",- "et3157.kicad_mod",- "et3157.glb",- "et3157.step",- "et3157.lbr",- "docs/hero.png",- "docs/et3157-datasheet.pdf",- "viewers/symbol.html",- "viewers/footprint.html"- ],- "visibility": {- "public": true+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ }+ },+ "metadata": {+ "specs": {+ "Manufacturer": "Unknown",+ "Package": "SC-70-6",+ "Category": "Interface",+ "Pins": "6" }+ },+ "sections": [+ "hero",+ "viewers",+ "readme",+ "breadcrumbs",+ "info"+ ],+ "discovery_triggers": [+ "et3157"+ ],+ "discovery_pitch": "ET3157 (Unknown) component page with datasheet-verified CAD.",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ },+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "et3157.kicad_sym",+ "et3157.kicad_mod",+ "et3157.glb",+ "et3157.step",+ "et3157.lbr",+ "docs/hero.png",+ "docs/et3157-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ] }