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AP7381-33Y-13

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Diodes Incorporated Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-89. Pinout cross-checked by two models against 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
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docs Publish 0.1.0 · Ray 23d ago
viewers ap7381-33y-13: viewers · Ray 23d ago
ap7381-33y-13-etched.glb ap7381-33y-13: factory component page (tier=lcsc) · Ray 23d ago
ap7381-33y-13-etched.step ap7381-33y-13: factory component page (tier=lcsc) · Ray 23d ago
ap7381-33y-13-hero.glb ap7381-33y-13: hero GLB from the etched model (keeps the MPN mark) · Ray 23d ago
ap7381-33y-13-hero.overlay.json Publish 0.1.0 · Ray 23d ago
ap7381-33y-13.glb Publish 0.1.0 · Ray 23d ago
ap7381-33y-13.kicad_mod Publish 0.1.0 · Ray 23d ago
ap7381-33y-13.kicad_sym Publish 0.1.0 · Ray 23d ago
ap7381-33y-13.lbr Publish 0.1.0 · Ray 23d ago
ap7381-33y-13.step Publish 0.1.0 · Ray 23d ago
package.json Publish 0.1.0 · Ray 23d ago
page.json ap7381-33y-13: specified limits as data (metadata.characteristics, 14 rows from the datasheet) · Ray 17d ago
README.md ap7381-33y-13: specified limits as data (metadata.characteristics, 14 rows from the datasheet) · Ray 17d ago

AP7381-33Y-13

Diodes Incorporated · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-89

AP7381-33Y-13 from Diodes Incorporated, in a SOT-89. 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 VOUT power_out Regulated output voltage pin; absolute maximum output voltage is -0.3 V to 8 V and output current is rated to 150 mA.
2 GND power_in Ground reference pin for the regulator.
3 VIN power_in Input voltage pin; recommended supply range is 3.3 V to 40 V, with an absolute maximum rating of -0.3 V to 45 V.

Key specifications

Parameter Value
Manufacturer Diodes Incorporated
Package SOT-89
Category Power Management (PMIC)
Pins 3

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Output Voltage Variation from Specified VOUT VOUT 98 102 % of VOUT 3
Input Voltage VIN 3.3 40 V 3
Current Limit ILIMIT 150 mA VOUT = 98% x VOUT, VIN = VOUT + 2V 3
Supply Input Voltage VIN -0.3 45 V 2
Output Voltage VOUT -0.3 8 V 2
Output Current IOUT 150 mA 2
Lead Temperature TLEAD 260 °C Soldering, 10s 2
Operating Junction Temperature TJ 150 °C 2
Storage Temperature Range TSTG -65 150 °C 2
CDM ESD (Charge Device Model) CDM ESD 2000 V 2
HBM ESD (Human Body Model) HBM ESD 4000 V 2
Supply Input Voltage VIN 3.3 40 V 2
Operating Junction Temperature TJ -40 125 °C 2
Thermal Resistance Junction-to-Ambient, SOT89 θJA 125 °C/W SOT89 package; ratings apply to ambient +25°C, JEDEC High-K board (Note 4) 2

CAD (KiCad official)

  • Symbol: AP7381-33Y-13
  • Footprint: Package_TO_SOT_SMD:SOT-89-3
  • 3D model: SOT-89 (KiCad packages3D, STEP)
  • 3D model files: ap7381-33y-13-etched.step / ap7381-33y-13-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ap7381-33y-13.step / ap7381-33y-13.glb are the bare package body.

Provenance

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

  • Datasheet: Diodes Incorporated datasheet (13 pp, sha256 657d25b1f48ab5dc, retrieved 2026-10-09, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-sonnet-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