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CJ431-HAF

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Changjing Voltage References, SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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CJ431-HAF

Changjing · Voltage References · SOT-23

CJ431-HAF from Changjing, in a SOT-23. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 REFERENCE input Reference input of the adjustable shunt regulator, with a reference input current range of 0.05 to +10 mA and a reference voltage of 2.475 to 2.525 V at VKA=VREF, IKA=10 mA.
2 CATHODE passive Cathode of the shunt regulator, rated for a cathode voltage up to 36 V and a continuous cathode current of -100 to +150 mA.
3 ANODE passive Anode of the shunt regulator, the return path for the cathode current of -100 to +150 mA.

Key specifications

Parameter Value
Manufacturer Changjing
Package SOT-23
Category Power Supply Chip
Pins 3

CAD (KiCad official)

  • Symbol: CJ431-HAF
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: SOT-23 (KiCad packages3D, STEP)
  • 3D model files: cj431-haf-etched.step / cj431-haf-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); cj431-haf.step / cj431-haf.glb are the bare package body.

Provenance

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

  • Datasheet: Changjing datasheet (11 pp, sha256 362090c089861970, retrieved 2026-10-28, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (vision), consensus claude-opus-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF