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UR6225G-50-AB3-C-R

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by adom

UTC Unisonic Tech Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-89. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.

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Made with KiCad 10.0 · needs KiCad 10.0 or later to open · KiCad file format 20260206
Name Last commit message Last updated
docs ur6225g-50-ab3-c-r: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 3d ago
viewers pin 1: carry the footprint's marker into the .lbr, the viewer and page.json (silk-marker, drawn, top-left) · Ray 1mo ago
package.json Publish 0.2.0 · Ray 1mo ago
pads.json pin 1: carry the footprint's marker into the .lbr, the viewer and page.json (silk-marker, drawn, top-left) · Ray 1mo ago
page.json Brief states the pinout check that actually ran (was an unconditional "Datasheet-verified pinout") · Ray 10d ago
README.md ur6225g-50-ab3-c-r: laser-etched CAD + chip hero (factory 2.0.0 backfill) · Ray 14d ago
ur6225g-50-ab3-c-r-etched.fit.json ur6225g-50-ab3-c-r: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 3d ago
ur6225g-50-ab3-c-r-etched.glb ur6225g-50-ab3-c-r: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 3d ago
ur6225g-50-ab3-c-r-etched.step ur6225g-50-ab3-c-r: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 3d ago
ur6225g-50-ab3-c-r.glb Publish 0.1.0 · Ray 1mo ago
ur6225g-50-ab3-c-r.kicad_mod Publish 0.1.0 · Ray 1mo ago
ur6225g-50-ab3-c-r.kicad_sym Publish 0.1.0 · Ray 1mo ago
ur6225g-50-ab3-c-r.lbr rebuild the library on adom-lbr 2.32.0. The published copy was built by 2.18.0, which imported every KiCad roundrect and oval pad as a SQUARE EAGLE smd; this carries the real pad shape across (0 -> 2 rounded pads) and stops dropping geometry drawn on KiCad User.N layers. Attributes, connects, pads and the pin-1 marker are gated against decreasing and are unchanged. · Ray 1mo ago
ur6225g-50-ab3-c-r.step Publish 0.1.0 · Ray 1mo ago

UR6225G-50-AB3-C-R

UTC Unisonic Tech · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-89

UR6225G-50-AB3-C-R from UTC Unisonic Tech, in a SOT-89. 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 VSS power_in Ground / negative supply return (VSS). All internal reference, error amplifier, and pass-device return currents flow through this pin; tie directly to the system ground plane.
2 VIN power_in Unregulated input supply (VIN). Operating range up to 10 V absolute maximum; must exceed VOUT by at least the dropout (~120 mV typ at IOUT=100 mA, VOUT=5.0V). Bypass with a ceramic capacitor close to the pin.
3 VOUT power_out Regulated 5.0 V output (VOUT) from the internal PMOS pass device. Sources up to 300 mA (subject to package power dissipation, 500 mW for SOT-89); requires an output capacitor for stability and load transient response.

Key specifications

Parameter Value
Manufacturer UTC Unisonic Tech
Package SOT-89
Category PMIC
Pins 3

Ordering variants

Same part, different packaging or reel option.

  • UR6225G-xx-AB3-C-R
  • UR6225L-xx-AB3-C-R
  • UR6225G-xx-AE3-3-R
  • UR6225L-xx-AE3-3-R
  • UR6225G-xx-AF5-C-R
  • UR6225L-xx-AF5-C-R
  • UR6225G-xx-AF5-F-R
  • UR6225L-xx-AF5-F-R
  • UR6225G-xx-T92-C-B
  • UR6225G-xx-T92-C-K
  • UR6225G-xx-T92-B-B
  • UR6225G-xx-T92-B-K
  • UR6225L-xx-T92-C-B
  • UR6225L-xx-T92-C-K
  • UR6225L-xx-T92-B-B
  • UR6225L-xx-T92-B-K

CAD (KiCad official)

  • Symbol: UR6225G-50-AB3-C-R
  • Footprint: Package_TO_SOT_SMD:SOT-89-3
  • 3D model: SOT-89 (KiCad packages3D, STEP)
  • 3D model files: ur6225g-50-ab3-c-r-etched.step / ur6225g-50-ab3-c-r-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ur6225g-50-ab3-c-r.step / ur6225g-50-ab3-c-r.glb are the bare package body.

3D model downloads

Two STEP files. Same geometry, different body top:

File Size Use it when
ur6225g-50-ab3-c-r.step 57 KB You want the bare part, or you mark your own boards.
ur6225g-50-ab3-c-r-etched.step 2.6 MB You want the part with UR6225G-50-AB3-C-R already on it.

The marking in the etched file is real recessed geometry cut into the solid, not a texture or a decal: 647 faces against 42 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: UTC Unisonic Tech datasheet (15 pp, sha256 7f6be1ca01fc03e5, 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