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AZ431AN-ATRG1-MS
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MSKSEMI Voltage Reference, SOT-23. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+42@@ -0,0 +1,42 @@+# AZ431AN-ATRG1-MS++**MSKSEMI** · Voltage Reference · SOT-23++AZ431AN-ATRG1-MS from MSKSEMI, 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. Internally compared to the 2.5V bandgap reference (Vref = 2.475-2.525V). Reference input current typ 1.5µA. Connected to the external resistor divider that sets Vout = Vref*(1+R1/R2)+R1*Iref. |+| 2 | K | passive | Cathode. Shunt regulator cathode terminal; sinks the regulated current. Max cathode voltage 36V; continuous cathode current range -100 to +150mA. Minimum cathode current for regulation ~0.45mA. |+| 3 | A | passive | Anode. Common return terminal for the shunt regulator; typically tied to circuit ground/low side of the resistor divider. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | MSKSEMI |+| Package | SOT-23 |+| Category | PMIC |+| Pins | 3 |++## Ordering variants++- `AZ431AN-ATRG1-MSATRG1-MS`++## CAD (KiCad official)++- Symbol: `AZ431AN-ATRG1-MS`+- 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:** [MSKSEMI datasheet](docs/az431an-atrg1-ms-datasheet.pdf) (7 pp, sha256 `a2a785a6ee5ee4aa`, 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/az431an-atrg1-ms-datasheet.pdf)
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