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AN431BN-ATRG1

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Diodes Incorporated Voltage Reference, SOT-23. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.

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Generated by kicad-footprint-generator · KiCad file format 20260206
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docs an431bn-atrg1: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 1mo ago
viewers an431bn-atrg1: viewers · Ray 2mo ago
an431bn-atrg1-etched.fit.json an431bn-atrg1: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 1mo ago
an431bn-atrg1-etched.glb an431bn-atrg1: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 1mo ago
an431bn-atrg1-etched.step an431bn-atrg1: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 1mo ago
an431bn-atrg1.glb Publish 0.1.0 · Ray 2mo ago
an431bn-atrg1.kicad_mod Publish 0.1.0 · Ray 2mo ago
an431bn-atrg1.kicad_sym Publish 0.1.0 · Ray 2mo ago
an431bn-atrg1.lbr Publish 0.1.0 · Ray 2mo ago
an431bn-atrg1.step Publish 0.1.0 · Ray 2mo ago
package.json Publish 0.1.0 · Ray 2mo ago
page.json an431bn-atrg1: component.models_3d pose record per STEP (Z-up, seated z=0, pad-centre origin, identity binding) · Ray 1mo ago
README.md an431bn-atrg1: laser-etched CAD + chip hero (factory 2.0.0 backfill) · Ray 1mo ago

AN431BN-ATRG1

Diodes Incorporated · Voltage Reference · SOT-23

AN431BN-ATRG1 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 CATHODE passive Cathode (K) terminal of the shunt regulator. Sinks the regulated current when VREF pin reaches the internal 2.5 V reference. Operating cathode voltage 2.5 V to 36 V; cathode current 1 mA to 100 mA; absolute max VKA = 40 V.
2 REF input Reference input pin. Regulates the cathode so that VREF equals the internal 2.5 V bandgap. Typical reference input current 0.7 μA (max 4 μA); absolute max IREF = 10 mA.
3 ANODE passive Anode (A) terminal, the current return of the shunt regulator, typically tied to circuit ground in the standard divider-programmed shunt topology.

Key specifications

Parameter Value
Manufacturer Diodes Incorporated
Package SOT-23
Category PMIC
Pins 3

Ordering variants

  • AN431BN-ATRG1

CAD (KiCad official)

  • Symbol: AN431BN-ATRG1
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: SOT-23 (KiCad packages3D, STEP)
  • 3D model files: an431bn-atrg1-etched.step / an431bn-atrg1-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); an431bn-atrg1.step / an431bn-atrg1.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Diodes Incorporated datasheet (13 pp, sha256 abb5965f39adbd33, 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