component
AO4805
Public Made by Adomby adom
Alpha & Omega Semiconductor FET, MOSFET Arrays, SOIC-8. KiCad symbol, footprint and 3D as used on Adom boards; pin functions from the manufacturer datasheet.
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
markdownAO4805
Alpha & Omega Semiconductor · FET, MOSFET Arrays · SOIC-8
AO4805 from Alpha & Omega Semiconductor, in a SOIC-8. Symbol, footprint and 3D model are the ones used on Adom board designs (3D model: KiCad library 3D model SOIC-8_3.9x4.9mm_P1.27mm (CC-BY-SA 4.0 with the KiCad library exception)). Pin functions are extracted from the manufacturer datasheet with page references.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | S2 | passive | Source of P-channel MOSFET 2 (S2), per the SOIC-8 top-view pinout and the internal schematic. [datasheet p.1] |
| 2 | G2 | input | Gate of P-channel MOSFET 2 (G2). Gate-source voltage ±25 V absolute maximum [datasheet p.1]; gate threshold VGS(th) -1.7 V min, -2.3 V typ, -2.8 V max at ID = -250 µA. [datasheet p.2] |
| 3 | S1 | passive | Source of P-channel MOSFET 1 (S1), per the SOIC-8 top-view pinout and the internal schematic. [datasheet p.1] |
| 4 | G1 | input | Gate of P-channel MOSFET 1 (G1). Gate-source voltage ±25 V absolute maximum [datasheet p.1]; gate threshold VGS(th) -1.7 V min, -2.3 V typ, -2.8 V max at ID = -250 µA. [datasheet p.2] |
| 5 | D1 | passive | Drain of P-channel MOSFET 1 (D1); pins 5 and 6 are both D1. Drain-source voltage -30 V absolute maximum. [datasheet p.1] |
| 6 | D1 | passive | Drain of P-channel MOSFET 1 (D1); pins 5 and 6 are both D1. Drain-source voltage -30 V absolute maximum. [datasheet p.1] |
| 7 | D2 | passive | Drain of P-channel MOSFET 2 (D2); pins 7 and 8 are both D2. Drain-source voltage -30 V absolute maximum. [datasheet p.1] |
| 8 | D2 | passive | Drain of P-channel MOSFET 2 (D2); pins 7 and 8 are both D2. Drain-source voltage -30 V absolute maximum. [datasheet p.1] |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Alpha & Omega Semiconductor |
| Package | SOIC-8 |
| Category | Transistors/Thyristors |
| Pins | 8 |
| LCSC | C38943 |
| Mouser | Not carried |
| DigiKey | 785-1055-2-ND |
| Distributor summary (LCSC listing, not datasheet) | -55℃~+150℃ 18mΩ@10V 2 P-Channel 2.6nF 2.8V 2W 3.6pF 30V 39nC@10V 9A SOIC-8 MOSFETs ROHS |
CAD
- Symbol:
ao4805(source libraryMOSFET_CDT:AO4805) - Footprint:
MOSFET_CDT:SOIC-8_3.9x4.9mm_P1.27mm_AO4805 - 3D model path in footprint:
${KIPRJMOD}/ao4805.step - 3D files:
ao4805-etched.step/ao4805-etched.glbcarry the MPN etch as a separateAdom.LaserEtchpart;ao4805.step/ao4805.glbare the bare model. - EAGLE/Fusion library:
ao4805.lbr(adom-lbr)
Provenance
- Datasheet: Alpha & Omega Semiconductor AO4805 datasheet (Rev 7.1, March 2024, sha256
b7592fe0daec26e8, retrieved 2026-10-27, tier: mfr) - CAD: Footprint and symbol as used on Adom board designs; 3D model: KiCad library 3D model SOIC-8_3.9x4.9mm_P1.27mm (CC-BY-SA 4.0 with the KiCad library exception).
- Pins: KiCad symbol from the source board + adom-ds2sf datasheet extraction (claude-opus-4-7).