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AO4620

Alpha & Omega Semicon · MOSFETs · SOIC-8

AO4620 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 S2 passive Source of the p-channel MOSFET, rated -30V VDS with VGS of ±20V.
2 G2 input Gate of the p-channel MOSFET, rated VGS ±20V.
3 S1 passive Source of the n-channel MOSFET, rated 30V VDS with VGS of ±20V.
4 G1 input Gate of the n-channel MOSFET, rated VGS ±20V.
5 D1 passive Drain of the n-channel MOSFET, rated 30V VDS and 7.2A continuous ID at TA=25°C.
6 D1 passive Drain of the n-channel MOSFET, rated 30V VDS and 7.2A continuous ID at TA=25°C.
7 D2 passive Drain of the p-channel MOSFET, rated -30V VDS and -5.3A continuous ID at TA=25°C.
8 D2 passive Drain of the p-channel MOSFET, rated -30V VDS and -5.3A continuous ID at TA=25°C.

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
Gate-Source Voltage VGS -20 20 V 1
Drain-Source Voltage (n-channel) VDS 30 V n-channel 1
Drain-Source Voltage (p-channel) VDS -30 V p-channel 1
Continuous Drain Current (n-channel) ID 7.2 A TA=25°C, n-channel 1
Continuous Drain Current (n-channel) ID 6.2 A TA=70°C, n-channel 1
Continuous Drain Current (p-channel) ID -5.3 A TA=25°C, p-channel 1
Continuous Drain Current (p-channel) ID -4.5 A TA=70°C, p-channel 1
Pulsed Drain Current (n-channel) IDM 64 A n-channel 1
Pulsed Drain Current (p-channel) IDM -40 A p-channel 1
Power Dissipation PD 2 W TA=25°C 1
Power Dissipation PD 1.44 W TA=70°C 1
Junction and Storage Temperature Range TJ, TSTG -55 150 °C 1
Maximum Junction-to-Ambian t≤10s (n-channel) RθJA 50 62.5 °C/W t ≤ 10s, n-ch 1
Maximum Junction-to-Ambient Steady-State (n-channel) RθJA 80 100 °C/W Steady-State, n-ch 1
Maximum Junction-to-Lead Steady-State (n-channel) RθJL 32 40 °C/W Steady-State, n-ch 1
Maximum Junction-to-Ambient t≤10s (p-channel) RθJA 50 62.5 °C/W t ≤ 10s, p-ch 1
Maximum Junction-to-Ambient Steady-State (p-channel) RθJA 80 100 °C/W Steady-State, p-ch 1
Maximum Junction-to-Lead Steady-State (p-channel) RθJL 32 40 °C/W Steady-State, p-ch 1
Gate Threshold Voltage (n-channel) VGS(th) 1.5 2.1 2.6 V VDS=VGS ID=250µA 2
Static Drain-Source On-Resistance (n-channel) RDS(ON) 17.7 24 mΩ VGS=10V, ID=7.2A 2
Static Drain-Source On-Resistance (n-channel) RDS(ON) 25 32 mΩ TJ=125°C 2
Static Drain-Source On-Resistance (n-channel) RDS(ON) 24.8 36 mΩ VGS=4.5V, ID=5A 2
Input Capacitance (n-channel) Ciss 373 448 pF VGS=0V, VDS=15V, f=1MHz 2
Gate resistance (n-channel) Rg 1.8 2.8 Ω VGS=0V, VDS=0V, f=1MHz 2
Total Gate Charge (10V) (n-channel) Qg 7.2 11 nC VGS=10V, VDS=15V, ID=7.2A 2
Body Diode Reverse Recovery Time (n-channel) trr 10.5 12.6 ns IF=7.2A, dI/dt=100A/µs 2
Diode Forward Voltage (n-channel) VSD 0.74 1 V IS=1A, VGS=0V 2
Gate-Body leakage current (p-channel) IGSS -100 100 nA VDS=0V, VGS=±20V 5
Gate Threshold Voltage (p-channel) VGS(th) -1.3 -1.85 -2.4 V VDS=VGS ID=-250µA 5
Static Drain-Source On-Resistance (p-channel) RDS(ON) 23 32 mΩ VGS=-10V, ID=-5.3A 5
Static Drain-Source On-Resistance (p-channel) RDS(ON) 33 55 mΩ VGS=-4.5V, ID=-4.5A 5
Gate resistance (p-channel) Rg 3.2 5 Ω VGS=0V, VDS=0V, f=1MHz 5
Total Gate Charge (10V) (p-channel) Qg 13.6 16 nC VGS=-10V, VDS=-15V, ID=-5.3A 5
Diode Forward Voltage (p-channel) VSD -0.8 -1 V IS=-1A, VGS=0V 5

CAD (KiCad official)

  • Symbol: AO4620
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SOIC-8 (KiCad packages3D, STEP)
  • 3D model files: ao4620-etched.step / ao4620-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ao4620.step / ao4620.glb are the bare package body.

Provenance

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

  • Datasheet: Alpha & Omega Semicon datasheet (7 pp, sha256 05447450ad726492, retrieved 2026-11-05, 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