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AS431ANTR-G1
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Diodes Incorporated Voltage Reference, SOT-23. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+61@@ -0,0 +1,61 @@+# AS431ANTR-G1++**Diodes Incorporated** · Voltage Reference · SOT-23++AS431ANTR-G1 from Diodes Incorporated, 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 | REF | input | Reference / feedback input. Internal op-amp compares this pin against the 2.500V bandgap reference and drives the internal shunt transistor. Typical reference input current IREF = 0.7µA (max 4µA). Absolute maximum input current 10mA. |+| 2 | CATHODE | passive | Cathode (K) of the shunt regulator. Sinks the regulation current when VREF pin reaches 2.500V. Operating cathode voltage range VREF to 36V, cathode current IKA 1mA to 100mA; absolute max VKA = 40V and IKA = 150mA. Off-state leakage 0.05µA typ at VKA = 36V. |+| 3 | ANODE | passive | Anode (A) of the shunt regulator. Common return terminal for the internal reference, op-amp and shunt transistor; typically connected to circuit ground in shunt-regulator use. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Diodes Incorporated |+| Package | SOT-23 |+| Category | PMIC |+| Pins | 3 |++## Ordering variants++- `AS431ANTR-G1ANTR-G1`+- `AS431ANTR-G1BNTR-G1`+- `AS431ANTR-G1ANTR-E1`+- `AS431ANTR-G1BNTR-E1`+- `AS431ANTR-G1AKTR-G1`+- `AS431ANTR-G1BKTR-G1`+- `AS431ANTR-G1AKTR-E1`+- `AS431ANTR-G1BKTR-E1`+- `AS431ANTR-G1ARTR-G1`+- `AS431ANTR-G1BRTR-G1`+- `AS431ANTR-G1ARTR-E1`+- `AS431ANTR-G1BRTR-E1`+- `AS431ANTR-G1AZ-G1`+- `AS431ANTR-G1AZTR-G1`+- `AS431ANTR-G1BZ-G1`+- `AS431ANTR-G1BZTR-G1`+- `AS431ANTR-G1AZ-E1`+- `AS431ANTR-G1AZTR-E1`+- `AS431ANTR-G1BZ-E1`+- `AS431ANTR-G1BZTR-E1`++## CAD (KiCad official)++- Symbol: `AS431ANTR-G1`+- 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:** [Diodes Incorporated datasheet](https://www.diodes.com/assets/Datasheets/AS431ANTR-G1.pdf) (20 pp, sha256 `03f54aac77941ed9`, 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/as431antr-g1-datasheet.pdf)
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