component
UM803RS
Public Made by Adomby adom
Union Semiconductor Supervisor and Reset ICs, SOT-23-3. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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README.md+14@@ -32,6 +32,20 @@ UM803RS from Union Semiconductor, in a SOT-23-3. Pinout and pin descriptions ext - Footprint: `Package_TO_SOT_SMD:SOT-23-3` - 3D model: SOT-23-3 (KiCad packages3D, STEP) +## 3D model downloads++Two STEP files. Same geometry, different body top:++| File | Size | Use it when |+|---|---|---|+| [`um803rs.step`](um803rs.step) | 59 KB | You want the bare part, or you mark your own boards. |+| [`um803rs-etched.step`](um803rs-etched.step) | 1.8 MB | You want the part with `UM803RS` already on it. |++The marking in the etched file is real recessed geometry cut into the solid, not a+texture or a decal: 420 faces against 69 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": "um803rs",- "version": "0.1.0",+ "version": "0.2.0", "type": "component", "description": "Union Semiconductor Supervisor and Reset ICs, SOT-23-3. Datasheet-verified pinout, KiCad symbol/footprint/3D.", "tags": [
page.json+7−7@@ -4,7 +4,7 @@ "slug": "um803rs", "title": "UM803RS", "brief": "Union Semiconductor Supervisor and Reset ICs, SOT-23-3. 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": "RESET", "type": "output",- "description": "Active-low, open-drain reset output. Remains low while VCC is below the reset threshold (typ 2.63 V for the R version) and for at least 140 ms after VCC rises above the threshold. Requires an external pull-up resistor; the pull-up may be tied to a rail higher than VCC. VOL \u2264 0.3 V at ISINK = 50 \u00b5A with VCC \u2265 1.0 V."+ "description": "Active-low, open-drain reset output. Remains low while VCC is below the reset threshold (typ 2.63 V for the R version) and for at least 140 ms after VCC rises above the threshold. Requires an external pull-up resistor; the pull-up may be tied to a rail higher than VCC. VOL ≤ 0.3 V at ISINK = 50 µA with VCC ≥ 1.0 V." }, { "number": "3", "name": "VCC", "type": "power_in",- "description": "Positive supply and monitored voltage. Absolute max \u22120.3 V to +6.0 V; operating range 1.0 V to 5.5 V. The R version monitors a nominal +3.0 V rail (reset threshold 2.63 V typ)."+ "description": "Positive supply and monitored voltage. Absolute max −0.3 V to +6.0 V; operating range 1.0 V to 5.5 V. The R version monitors a nominal +3.0 V rail (reset threshold 2.63 V typ)." } ], "provenance": {@@ -120,9 +120,9 @@ "docs/hero.png", "docs/um803rs-datasheet.pdf", "viewers/symbol.html",- "viewers/footprint.html"+ "viewers/footprint.html",+ "pads.json" ],- "visibility": {- "public": true- }+ "visibility": "public",+ "description": "Union Semiconductor Supervisor and Reset ICs, SOT-23-3. Datasheet-verified pinout, KiCad symbol/footprint/3D." }