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ZMR500FTA

Public Unreviewed

by Ray

Diodes Incorporated Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-23. Datasheet-verified pinout, KiCad symbol/footprint/3D.

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3D Model

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Symbol & Footprint

Schematic Symbol

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PCB Footprint

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Datasheet

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Contents

README

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ZMR500FTA

Diodes Incorporated · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-23

ZMR500FTA 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 Ground reference for the regulator. Common return for both input and output currents.
2 OUT power_out Regulated 5V output (4.785V-5.125V typ at 25°C). Supplies up to 50mA of load current. A small output capacitor is recommended for transient response; the device is unconditionally stable.
3 IN power_in Unregulated input voltage, 7.0V to 25V (absolute max 25V). Dropout ~1.5-2V at 10mA. Bypass capacitor to GND recommended close to the pin.

Key specifications

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

Ordering variants

Same part, different packaging or reel option.

  • ZMR500FTA
  • ZMR500FTAC

CAD (KiCad official)

  • Symbol: ZMR500FTA
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: SOT-23 (KiCad packages3D, STEP)

3D model downloads

Two STEP files. Same geometry, different body top:

File Size Use it when
zmr500fta.step 59 KB You want the bare part, or you mark your own boards.
zmr500fta-etched.step 1.5 MB You want the part with ZMR500FTA already on it.

The marking in the etched file is real recessed geometry cut into the solid, not a texture or a decal: 387 faces against 69 in the bare model. It survives export, section views, and rendering in any CAD tool, and it drops straight into KiCad or Fusion with no extra setup.

Provenance

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

  • Datasheet: Diodes Incorporated datasheet (7 pp, sha256 41667d862f23cd00, 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