component
CH443K
Public Made by Adomby adom
WCH Jiangsu Qin Heng Analog Switches, Multiplexers, SC-70-6(SOT-363). Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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README.md+14@@ -34,6 +34,20 @@ CH443K from WCH Jiangsu Qin Heng, in a SC-70-6(SOT-363). Pinout and pin descript - Footprint: `Package_TO_SOT_SMD:SOT-363_SC-70-6` - 3D model: SC-70-6(SOT-363) (KiCad packages3D, STEP) +## 3D model downloads++Two STEP files. Same geometry, different body top:++| File | Size | Use it when |+|---|---|---|+| [`ch443k.step`](ch443k.step) | 99 KB | You want the bare part, or you mark your own boards. |+| [`ch443k-etched.step`](ch443k-etched.step) | 1.2 MB | You want the part with `CH443K` already on it. |++The marking in the etched file is real recessed geometry cut into the solid, not a+texture or a decal: 323 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": "ch443k",- "version": "0.1.0",+ "version": "0.2.0", "type": "component", "description": "WCH Jiangsu Qin Heng Analog Switches, Multiplexers, SC-70-6(SOT-363). Datasheet-verified pinout, KiCad symbol/footprint/3D.", "tags": [
page.json+9−9@@ -4,7 +4,7 @@ "slug": "ch443k", "title": "CH443K", "brief": "WCH Jiangsu Qin Heng Analog Switches, Multiplexers, SC-70-6(SOT-363). 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": "CH1", "type": "passive",- "description": "Analog switch throw #2 (S2B). Connected to COM when SEL = high. Recommended analog signal range 0 to 2.8 V (VANA), absolute limit -0.3 to VCC+0.3 V. Ron \u2248 5 \u03a9 typ."+ "description": "Analog switch throw #2 (S2B). Connected to COM when SEL = high. Recommended analog signal range 0 to 2.8 V (VANA), absolute limit -0.3 to VCC+0.3 V. Ron ≈ 5 Ω typ." }, { "number": "2",@@ -46,7 +46,7 @@ "number": "3", "name": "CH0", "type": "passive",- "description": "Analog switch throw #1 (S1B). Connected to COM when SEL = low. Recommended analog signal range 0 to 2.8 V (VANA), absolute limit -0.3 to VCC+0.3 V. Ron \u2248 5 \u03a9 typ."+ "description": "Analog switch throw #1 (S1B). Connected to COM when SEL = low. Recommended analog signal range 0 to 2.8 V (VANA), absolute limit -0.3 to VCC+0.3 V. Ron ≈ 5 Ω typ." }, { "number": "4",@@ -58,13 +58,13 @@ "number": "5", "name": "VCC", "type": "power_in",- "description": "Positive supply. Rated 5 V (operating 4.0-5.5 V), abs max 6.5 V. Static ICC \u2248 0.1 \u00b5A typ with digital pins tied to rails."+ "description": "Positive supply. Rated 5 V (operating 4.0-5.5 V), abs max 6.5 V. Static ICC ≈ 0.1 µA typ with digital pins tied to rails." }, { "number": "6", "name": "SEL", "type": "input",- "description": "Digital channel-select input. SEL=low selects CH0\u2192COM; SEL=high selects CH1\u2192COM. VIL max 1.0 V, VIH min 2.0 V (referenced to VCC)."+ "description": "Digital channel-select input. SEL=low selects CH0→COM; SEL=high selects CH1→COM. VIL max 1.0 V, VIH min 2.0 V (referenced to VCC)." } ], "provenance": {@@ -138,9 +138,9 @@ "docs/hero.png", "docs/ch443k-datasheet.pdf", "viewers/symbol.html",- "viewers/footprint.html"+ "viewers/footprint.html",+ "pads.json" ],- "visibility": {- "public": true- }+ "visibility": "public",+ "description": "WCH Jiangsu Qin Heng Analog Switches, Multiplexers, SC-70-6(SOT-363). Datasheet-verified pinout, KiCad symbol/footprint/3D." }