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AO4268

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Alpha Omega Semicon MOSFETs, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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AO4268

Alpha Omega Semicon · MOSFETs · SOIC-8

AO4268 from Alpha Omega Semicon, in a SOIC-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 S passive Source of the N-channel MOSFET, tied to pins 2 and 3; body diode continuous current is 4A max.
2 S passive Source of the N-channel MOSFET, tied to pins 1 and 3 and carrying the 19A continuous drain current at TA=25°C.
3 S passive Source of the N-channel MOSFET, tied to pins 1 and 2, with VGS rated at ±20V relative to the gate.
4 G input Gate of the N-channel MOSFET, with a ±20V maximum gate-source voltage and a threshold of 1.3V min to 2.3V max at 250µA.
5 D passive Drain of the N-channel MOSFET, tied to pins 6, 7 and 8, with a 60V maximum drain-source voltage.
6 D passive Drain of the N-channel MOSFET, tied to pins 5, 7 and 8, with a 76A maximum pulsed drain current.
7 D passive Drain of the N-channel MOSFET, tied to pins 5, 6 and 8, with RDS(ON) below 4.8mΩ at VGS=10V.
8 D passive Drain of the N-channel MOSFET, tied to pins 5, 6 and 7, with RDS(ON) below 6.5mΩ at VGS=4.5V.

Key specifications

Parameter Value
Manufacturer Alpha Omega Semicon
Package SOIC-8
Category Transistors/Thyristors
Pins 8

Electrical characteristics

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

Parameter Symbol Min Typ Max Unit Conditions Page
Drain-Source Breakdown Voltage BVDSS 60 V ID=250µA, VGS=0V 2
Gate Threshold Voltage VGS(th) 1.3 1.8 2.3 V VDS=VGS, ID=250µA 2
Gate-Body leakage current IGSS -100 100 nA VDS=0V, VGS=±20V 2
Zero Gate Voltage Drain Current IDSS 1 µA VDS=60V, VGS=0V 2
Zero Gate Voltage Drain Current (TJ=55°C) IDSS 5 µA VDS=60V, VGS=0V, TJ=55°C 2
Static Drain-Source On-Resistance RDS(ON) 4 4.8 mΩ VGS=10V, ID=19A 2
Static Drain-Source On-Resistance (TJ=125°C) RDS(ON) 6.3 7.6 mΩ VGS=10V, ID=19A, TJ=125°C 2
Static Drain-Source On-Resistance (4.5V) RDS(ON) 5.2 6.5 mΩ VGS=4.5V, ID=16A 2
Forward Transconductance gFS 83 S VDS=5V, ID=19A 2
Diode Forward Voltage VSD 0.7 1 V IS=1A, VGS=0V 2
Maximum Body-Diode Continuous Current IS 4 A 2
Input Capacitance Ciss 2500 pF VGS=0V, VDS=30V, f=1MHz 2
Output Capacitance Coss 670 pF VGS=0V, VDS=30V, f=1MHz 2
Reverse Transfer Capacitance Crss 65 pF VGS=0V, VDS=30V, f=1MHz 2
Gate resistance Rg 0.5 1.2 2 Ω f=1MHz 2
Total Gate Charge (10V) Qg (10V) 44 65 nC VGS=10V, VDS=30V, ID=19A 2
Total Gate Charge (4.5V) Qg (4.5V) 21 30 nC 2
Gate Source Charge Qgs 6.5 nC 2
Gate Drain Charge Qgd 8.5 nC 2
Turn-On DelayTime tD(on) 7.5 ns VGS=10V, VDS=30V, RL=1.6Ω, RGEN=3Ω 2
Turn-On Rise Time tr 6.5 ns VGS=10V, VDS=30V, RL=1.6Ω, RGEN=3Ω 2
Turn-Off DelayTime tD(off) 38 ns VGS=10V, VDS=30V, RL=1.6Ω, RGEN=3Ω 2
Turn-Off Fall Time tf 8 ns VGS=10V, VDS=30V, RL=1.6Ω, RGEN=3Ω 2
Body Diode Reverse Recovery Time trr 22 ns IF=19A, di/dt=500A/µs 2
Body Diode Reverse Recovery Charge Qrr 80 nC IF=19A, di/dt=500A/µs 2
Drain-Source Voltage VDS 60 V 1
Gate-Source Voltage VGS -20 20 V 1
VDS Spike VSPIKE 72 V 10µs 1
Continuous Drain Current ID 19 A TA=25°C, t≤10s 1
Continuous Drain Current ID 14.5 A TA=25°C, Steady-State 1
Continuous Drain Current ID 16 A TA=70°C 1
Pulsed Drain Current IDM 76 A 1
Avalanche Current IAS 30 A 1
Avalanche energy EAS 135 mJ L=0.3mH 1
Power Dissipation PD 3.1 W TA=25°C, t≤10s 1
Power Dissipation PD 2 W TA=70°C, t≤10s 1
Junction and Storage Temperature Range TJ, TSTG -55 150 °C 1
Maximum Junction-to-Ambient RθJA 31 40 °C/W t≤10s 1
Maximum Junction-to-Ambient RθJA 59 75 °C/W Steady-State 1
Maximum Junction-to-Lead RθJL 16 24 °C/W Steady-State 1

CAD (KiCad official)

  • Symbol: AO4268
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SOIC-8 (KiCad packages3D, STEP)
  • 3D model files: ao4268-etched.step / ao4268-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ao4268.step / ao4268.glb are the bare package body.

Provenance

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

  • Datasheet: Alpha Omega Semicon datasheet (5 pp, sha256 68a3f30b5196be45, retrieved 2026-10-18, tier: lcsc)
  • 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