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AZ431LBNTR-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+50@@ -0,0 +1,50 @@+# AZ431LBNTR-G1++**Diodes Incorporated** · Voltage Reference · SOT-23++AZ431LBNTR-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 input to the internal error amplifier (non-inverting node compared to the internal 1.240V bandgap). Typically tied to the R1/R2 divider from CATHODE to set Vout = (1 + R1/R2) * VREF. Reference input current IREF ~0.15 uA typ (0.4 uA max). |+| 2 | CATHODE | passive | Cathode of the shunt regulator (equivalent to a zener cathode). Sinks the regulated shunt current IKA from 0.1 mA up to 100 mA; absolute-max VKA = 20 V, recommended VKA = VREF to 18 V. Dynamic impedance ~0.05 ohm typ at 1 kHz. |+| 3 | ANODE | passive | Anode of the shunt regulator, the common return terminal usually connected to circuit ground / the low side of the resistor divider. Return path for the cathode shunt current. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Diodes Incorporated |+| Package | SOT-23 |+| Category | PMIC |+| Pins | 3 |++## Ordering variants++- `AZ431LBNTR-G1`+- `AZ431LBNTR-G1AZ431LANTR-G1`+- `AZ431LBNTR-G1AZ431LANTR-E1`+- `AZ431LBNTR-G1AZ431LAZTR-G1`+- `AZ431LBNTR-G1AZ431LBZTR-G1`+- `AZ431LBNTR-G1AZ431LAKTR-G1`+- `AZ431LBNTR-G1AZ431LBKTR-G1`+- `AZ431LBNTR-G1AZ431LARTR-G1`+- `AZ431LBNTR-G1AZ431LBRTR-G1`++## CAD (KiCad official)++- Symbol: `AZ431LBNTR-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/AZ431LBNTR-G1.pdf) (19 pp, sha256 `6b8c6ed92d8e1c2d`, 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/az431lbntr-g1-datasheet.pdf)
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