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AP431SBNTR-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+44@@ -0,0 +1,44 @@+# AP431SBNTR-G1++**Diodes Incorporated** · Voltage Reference · SOT-23++AP431SBNTR-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. Compared internally against VREF (2.500 V typ, 2.495 V for AP431SH grade). Drives the internal error amplifier; typical bias current IREF ≈ 0.2 µA. Tie to the resistor-divider tap that programs VOUT. |+| 2 | CATHODE | passive | Cathode terminal of the shunt regulator. Sinks current (0.1 mA to 100 mA operating; up to 150 mA absolute max) to regulate VKA at the programmed voltage. Absolute max VKA = 40 V; operating VKA from VREF to 36 V. |+| 3 | ANODE | passive | Anode terminal / return of the shunt regulator. Normally tied to circuit ground (or the low side of the sinked-current path). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Diodes Incorporated |+| Package | SOT-23 |+| Category | PMIC |+| Pins | 3 |++## Ordering variants++- `AP431SBNTR-G1N`+- `AP431SBNTR-G1`+- `AP431SBNTR-G1N1`++## CAD (KiCad official)++- Symbol: `AP431SBNTR-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/ap431sbntr-g1-datasheet.pdf) (17 pp, sha256 `770b9144c5e6fc10`, 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/ap431sbntr-g1-datasheet.pdf)
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