ProjectsPricingInsights

Best Alternatives to AO3416A

Package: SOT-23UMWMOSFETs - SingleDrain-Source Voltage (VDS): 20 VContinuous Drain Current (ID): 6.5 ARDS(ON) @ VGS=4.5V: 25 mΩRDS(ON) @ VGS=2.5V: 33 mΩRDS(ON) @ VGS=1.8V: 51 mΩ

AO3416A is a low-RDS 20V SOT-23 N-MOSFET. Listed alternatives need pinout and derating review before use.

AI replacement insight

Electrical riskhigh

current or RDS is weaker

Package riskmedium

SOT-23 matches, pinout unknown

Firmware risklow

discrete MOSFET

Sourcing riskmedium

some lifecycle fields blank

Can it be replaced directly?

No verified pin-compatible replacement is proven from the provided data.

Best replacement path

Start with SI2300 for light derated loads; verify pinout, RDS, ESD, and thermals.

Main risk

Most candidates have lower current, higher RDS, or missing pinout evidence.

Recommended alternatives

3
SI2300 package
SI2300

GOODWORK

Needs validationmedium risk

SI2300 may work only after derating checks versus AO3416A.

View details

Alternative comparison matrix

Feature / factorAO3416ASI2300IRLML2502FS2310Compatibility / risk
PackageSOT-23SOT-23SOT-23SOT-23SOT-23 — same package; IRLML2502: same package; FS2310: same package
Pinout3 pins3 pins3 pins3 pins3 pins — pin functions missing; IRLML2502: pin functions missing; FS2310: pin functions missing
Voltage20V20V20V60V20V / 60V — no 1.1x margin; IRLML2502: no 1.1x margin; FS2310: good VDS margin
Current6.5A6A4A3A6A / 4A / 3A — slightly lower; IRLML2502: lower ID; FS2310: large derating
Resistance25mΩ@4.5V48mΩ@4.5V30mΩ120mΩ@4.5V48mΩ@4.5V / 30mΩ / 120mΩ@4.5V — more loss; IRLML2502: test VGS unknown; FS2310: much hotter

Application & sourcing insights

Questions & answers

SI2300 is the closest kept candidate, but it is weaker and needs derating review.