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AS431BNTR-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 @@+# AS431BNTR-G1++**Diodes Incorporated** · Voltage Reference · SOT-23++AS431BNTR-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 to the internal error amplifier. Regulates the cathode current so this pin sits at VREF = 2.500 V above ANODE. Typical input bias current IREF = 0.7 uA (max 4 uA); absolute-max reference input current 10 mA. |+| 2 | CATHODE | power_in | Cathode of the internal shunt element. Sinks 1 mA to 100 mA in normal regulation; absolute-max cathode voltage 40 V, recommended operating range VREF (2.5 V) to 36 V. Off-state leakage 0.05 uA typ at VKA = 36 V. Dynamic impedance 0.15 Ω typ. |+| 3 | ANODE | power_in | Anode / common return of the shunt regulator. Reference is measured with respect to this pin; usually tied to circuit ground in shunt-regulator configurations. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Diodes Incorporated |+| Package | SOT-23 |+| Category | PMIC |+| Pins | 3 |++## Ordering variants++- `AS431BNTR-G1ANTR-E1`+- `AS431BNTR-G1BNTR-E1`+- `AS431BNTR-G1ANTR-G1`+- `AS431BNTR-G1BNTR-G1`+- `AS431BNTR-G1AKTR-E1`+- `AS431BNTR-G1BKTR-E1`+- `AS431BNTR-G1AKTR-G1`+- `AS431BNTR-G1BKTR-G1`+- `AS431BNTR-G1ARTR-E1`+- `AS431BNTR-G1BRTR-E1`+- `AS431BNTR-G1ARTR-G1`+- `AS431BNTR-G1BRTR-G1`+- `AS431BNTR-G1AZ-E1`+- `AS431BNTR-G1AZTR-E1`+- `AS431BNTR-G1BZ-E1`+- `AS431BNTR-G1BZTR-E1`+- `AS431BNTR-G1AZ-G1`+- `AS431BNTR-G1AZTR-G1`+- `AS431BNTR-G1BZ-G1`+- `AS431BNTR-G1BZTR-G1`++## CAD (KiCad official)++- Symbol: `AS431BNTR-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](docs/as431bntr-g1-datasheet.pdf) (20 pp, sha256 `03f54aac77941ed9`, 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).++[Datasheet PDF](docs/as431bntr-g1-datasheet.pdf)
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