component
AZ431AZ-ATRE1
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Diodes Incorporated Voltage Reference, TO-92-2.54mm. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+45@@ -0,0 +1,45 @@+# AZ431AZ-ATRE1++**Diodes Incorporated** · Voltage Reference · TO-92-2.54mm++AZ431AZ-ATRE1 from Diodes Incorporated, in a TO-92-2.54mm. 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. Regulation forces this pin to the internal 2.5 V VREF (0.4% tol) versus ANODE, typically driven from an external resistor divider between CATHODE and ANODE to program the output. Max continuous input current 10 mA; typical IREF ~0.7 uA. |+| 2 | CATHODE | passive | Shunt cathode (K). Sinks the regulation current to hold VKA at the programmed voltage set by the REF divider. Absolute max VKA = 40 V, recommended 2.5 V to 36 V; cathode current range -100 mA to +150 mA (recommended 1 mA to 100 mA for regulation). Dynamic impedance ~0.15 Ω typical. |+| 3 | ANODE | passive | Shunt anode (A), the common reference return for both the cathode current and the REF input divider. Typically tied to circuit ground in a shunt-regulator configuration. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Diodes Incorporated |+| Package | TO-92-2.54mm |+| Category | PMIC |+| Pins | 3 |++## Ordering variants++- `AZ431AZ-ATRE1`+- `AZ431AZ-ATRE1AZ431AZ`+- `AZ431AZ-ATRE1AZ431AR`+- `AZ431AZ-ATRE1AZ431AN`++## CAD (KiCad official)++- Symbol: `AZ431AZ-ATRE1`+- Footprint: `Package_TO_SOT_THT:TO-92_Inline`+- 3D model: TO-92-2.54mm (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Diodes Incorporated datasheet](https://www.diodes.com/assets/Datasheets/AZ431AZ-ATRE1.pdf) (19 pp, sha256 `af7f4848d81a3997`, 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/az431az-atre1-datasheet.pdf)
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