component
BAS21
Public Made by Adomby adom
Nexperia Diodes - General Purpose, SOT-23. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+38@@ -0,0 +1,38 @@+# BAS21++**Nexperia** · Diodes - General Purpose · SOT-23++BAS21 from Nexperia, in a SOT-23. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | A | passive | Anode of the switching diode. Forward current flows from anode (pin 1) to cathode (pin 3); VF ≤ 1 V at IF = 100 mA. |+| 2 | NC | unconnected | Not connected. No internal bond; leave floating or tie to any convenient net. |+| 3 | K | passive | Cathode of the switching diode. Reverse voltage rating VR = 200 V (VRRM = 250 V); reverse current ≤ 100 nA at VR = 200 V, Tj = 25 °C. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Nexperia |+| Package | SOT-23 |+| Category | Diodes |+| Pins | 3 |++## CAD (KiCad official)++- Symbol: `BAS21`+- Footprint: `Package_TO_SOT_SMD:SOT-23`+- 3D model: SOT-23 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Nexperia datasheet](https://assets.nexperia.com/documents/data-sheet/BAS21.pdf) (10 pp, sha256 `4632cdc90d8753d1`, retrieved 2026-08-17, tier: manufacturer)+- **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).++[Datasheet PDF](docs/bas21-datasheet.pdf)
page.jsonadded+34@@ -0,0 +1,34 @@+{+ "slug": "bas21",+ "version": "0.1.0",+ "type": "component",+ "description": "Nexperia Diodes - General Purpose, SOT-23. Datasheet-verified pinout, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "diodes",+ "bas21"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "bas21.kicad_sym",+ "bas21.kicad_mod",+ "bas21.glb",+ "bas21.step",+ "bas21.lbr",+ "docs/hero.png",+ "docs/bas21-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html"+ ],+ "visibility": "public",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}