component
CJ431
Public Made by Adomby adom
Changjing Voltage Reference, SOT-23. Pinout settled in review by an AI reviewer against the manufacturer's datasheet, KiCad symbol/footprint/3D.
← Commit history
README.md+4−4@@ -1,8 +1,8 @@ # CJ431 -**Jiangsu Changjing Electronics Technology Co Ltd** · Voltage Reference · SOT-23+**Changjing** · Voltage Reference · SOT-23 -CJ431 from Jiangsu Changjing Electronics Technology Co Ltd, in a SOT-23. Pinout and pin descriptions extracted from the datasheet (via LCSC) by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.+CJ431 from Changjing, in a SOT-23. Pinout and pin descriptions extracted from the datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD. ## Pinout @@ -16,7 +16,7 @@ CJ431 from Jiangsu Changjing Electronics Technology Co Ltd, in a SOT-23. Pinou | Parameter | Value | |---|---|-| Manufacturer | Jiangsu Changjing Electronics Technology Co Ltd |+| Manufacturer | Changjing | | Package | SOT-23 | | Category | PMIC | | Pins | 3 |@@ -39,7 +39,7 @@ CJ431 from Jiangsu Changjing Electronics Technology Co Ltd, in a SOT-23. Pinou Data extracted from the manufacturer datasheet, not a distributor listing: -- **Datasheet:** [Jiangsu Changjing Electronics Technology Co Ltd datasheet](https://datasheet.lcsc.com/datasheet/pdf/dca1b312f3e4467c9202db2f691d7926.pdf) (9 pp, sha256 `68a405075950c4b5`, retrieved 2026-08-17, tier: lcsc)+- **Datasheet:** [Changjing datasheet](docs/cj431-datasheet.pdf) (9 pp, sha256 `68a405075950c4b5`, 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+9−12@@ -3,7 +3,7 @@ "type": "component", "slug": "cj431", "title": "CJ431",- "brief": "Jiangsu Changjing Electronics Technology Co Ltd Voltage Reference, SOT-23. Datasheet-verified pinout, KiCad symbol/footprint/3D.",+ "brief": "Changjing Voltage Reference, SOT-23. Datasheet-verified pinout, KiCad symbol/footprint/3D.", "version": "0.1.0", "license": "CC-BY-SA-4.0", "tags": [@@ -13,12 +13,12 @@ ], "component": { "mpn": "CJ431",- "manufacturer": "Jiangsu Changjing Electronics Technology Co Ltd",+ "manufacturer": "Changjing", "package": "SOT-23", "pin_count": 3, "category": "PMIC", "subcategory": "Voltage Reference",- "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/dca1b312f3e4467c9202db2f691d7926.pdf",+ "datasheet": "docs/cj431-datasheet.pdf", "parts": { "symbol": "cj431.kicad_sym", "footprint": "cj431.kicad_mod",@@ -32,7 +32,7 @@ "number": "1", "name": "REF", "type": "input",- "description": "Reference input. Compared internally against the 2.5 V (typ.) bandgap reference; when REF exceeds Vref the device sinks current from cathode to anode. Reference input current is 1.5 µA typ. (4 µA max) with a 10 kΩ divider at IKA=10 mA."+ "description": "Reference input. Compared internally against the 2.5 V (typ.) bandgap reference; when REF exceeds Vref the device sinks current from cathode to anode. Reference input current is 1.5 \u00b5A typ. (4 \u00b5A max) with a 10 k\u03a9 divider at IKA=10 mA." }, { "number": "2",@@ -44,13 +44,13 @@ "number": "3", "name": "K", "type": "power_in",- "description": "Cathode. High side of the programmable shunt; sinks the regulated current when the reference threshold is exceeded. Maximum cathode voltage 36 V, continuous cathode current range −100 to +150 mA, off-state cathode current 0.05 µA typ. (1 µA max) at VKA=36 V."+ "description": "Cathode. High side of the programmable shunt; sinks the regulated current when the reference threshold is exceeded. Maximum cathode voltage 36 V, continuous cathode current range \u2212100 to +150 mA, off-state cathode current 0.05 \u00b5A typ. (1 \u00b5A max) at VKA=36 V." } ], "provenance": { "extractor": "ds2sf", "datasheet": {- "url": "https://datasheet.lcsc.com/datasheet/pdf/dca1b312f3e4467c9202db2f691d7926.pdf",+ "url": "docs/cj431-datasheet.pdf", "pages": 9, "sha256": "68a405075950c4b5", "source_tier": "lcsc"@@ -70,7 +70,7 @@ }, "metadata": { "specs": {- "Manufacturer": "Jiangsu Changjing Electronics Technology Co Ltd",+ "Manufacturer": "Changjing", "Package": "SOT-23", "Category": "PMIC", "Pins": "3"@@ -86,7 +86,7 @@ "discovery_triggers": [ "cj431" ],- "discovery_pitch": "CJ431 (Jiangsu Changjing Electronics Technology Co Ltd) component page with datasheet-verified CAD.",+ "discovery_pitch": "CJ431 (Changjing) component page with datasheet-verified CAD.", "author": { "name": "Ray", "email": "[email protected]"@@ -108,8 +108,5 @@ "docs/cj431-datasheet.pdf", "viewers/symbol.html", "viewers/footprint.html"- ],- "visibility": {- "public": true- }+ ] }