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zht431f02ta

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by Ray

Diodes Incorporated Voltage Reference, SOT-23. Datasheet-verified pinout, KiCad symbol/footprint/3D.

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ZHT431F02TA

Diodes Incorporated · Voltage Reference · SOT-23

ZHT431F02TA 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 GND power_in Anode / ground reference terminal. All internal voltages (VREF and VZ) are measured relative to this pin. Tied to the negative rail in shunt regulator applications.
2 VZ power_in Cathode terminal - the regulated shunt node. Sinks 50µA to 100mA of current from an external series resistor to hold the programmed output voltage. Absolute max 20V / 150mA cathode current; dynamic impedance typ 0.75Ω.
3 VREF input Reference / feedback input. Compared internally against the 2.500V bandgap reference; the device sinks cathode current to keep this pin at VREF. Connect directly to VZ for a 2.5V shunt, or drive from an R1/R2 divider off VZ to program a higher output. Reference input current ~0.12µA typ (1.0µA max).

Key specifications

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

Ordering variants

  • ZHT431F02TA
  • ZHT431F02TAF01TA
  • ZHT431F02TAF01-7
  • ZHT431F02TAFMTA

CAD (KiCad official)

  • Symbol: ZHT431F02TA
  • 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 (None pp, sha256 84237e2b4092ef1d, 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

Symbol & Footprint

Schematic Symbol

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PCB Footprint

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Datasheet

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