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AO3401A

Channel 1 high-side P-FET (-30 V -4 A)

That description comes from one board. A passive of this value does a different job on each design — see the per-board component tables below for what it does in each context.

Alpha & Omega Used on 3 boards 7 placements
ValueAO3401A
Manufacturer partAO3401A
ManufacturerAlpha & Omega
FootprintPackage_TO_SOT_SMD:SOT-23
KiCad symbolTransistor_FET:AO3401A
Datasheethttps://aosmd.com/res/data_sheets/AO3401A.pdf ↗

Where it is used

BoardNameReferences
AXA-004 Discrete H-bridge lab PMOD module Q1 Q4
AXA-012 E-stop / power gate PMOD module Q1
AXO-002 4-digit 7-segment direct-scan dual-PMOD module Q1 Q2 Q3 Q4