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AT0531-CuH-S

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AOTE Logic Output Optoisolators, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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AT0531-CuH-S

AOTE · Logic Output Optoisolators · SOP-8

AT0531-CuH-S from AOTE, in a SOP-8. 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 Anode 1 input Anode of channel 1 input LED, with recommended forward current IF(ON) of 6 to 20 mA and absolute maximum average forward current of 25 mA.
2 Cathode 1 passive Cathode of channel 1 input LED, where the reverse input voltage must not exceed 5 V.
3 Cathode 2 passive Cathode of channel 2 input LED, where the reverse input voltage must not exceed 5 V.
4 Anode 2 input Anode of channel 2 input LED, with recommended forward current IF(ON) of 6 to 20 mA and absolute maximum average forward current of 25 mA.
5 GND power_in Output-side ground reference for the detector stages.
6 VO 2 output Channel 2 open-collector output, with absolute maximum output voltage of -0.5 to 20 V and output current of 8 mA.
7 VO 1 output Channel 1 open-collector output, with absolute maximum output voltage of -0.5 to 20 V and output current of 8 mA.
8 VCC power_in Output-side supply voltage with absolute maximum rating of -0.5 to 30 V and recommended range of 0.5 to 30 V.

Key specifications

Parameter Value
Manufacturer AOTE
Package SOP-8
Category Optoisolators
Pins 8

Materials and finish

As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).

Part Material Colour / plating Datasheet says Page
contacts Copper ④ 框架类型 Lead Frame ( Cu: 铜框架 Copper) 10

CAD (KiCad official)

  • Symbol: AT0531-CuH-S
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SOP-8 (KiCad packages3D, STEP)
  • 3D model files: at0531-cuh-s-etched.step / at0531-cuh-s-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); at0531-cuh-s.step / at0531-cuh-s.glb are the bare package body.

Provenance

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

  • Datasheet: AOTE datasheet (14 pp, sha256 bf47b5d405049baf, retrieved 2026-10-27, tier: lcsc)
  • Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text+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