Alpha & Omega Semiconductor Inc.TO-251-3 Short Leads, IPak, TO-251AARoHS

AOI4144_002

MOSFET N-CH 30V 13A/55A TO251A

Parameters

Parameter	Value
Brand	Alpha & Omega Semiconductor Inc.
Model	AOI4144_002
Package / Case	TO-251-3 Short Leads, IPak, TO-251AA
Mounting Type	Surface Mount
Operating Temperature	-55°C ~ 175°C (TJ)
FET Type	N-Channel
Drain to Source Voltage (Vdss)	30 V
Rds On (Max)	8mOhm @ 20A, 10V
Vgs(th) (Max)	2.4V @ 250µA
Gate Charge (Qg)	28 nC @ 10 V
Input Capacitance (Ciss)	1430 pF @ 15 V
Power Dissipation (Max)	2.3W (Ta), 50W (Tc)
Drive Voltage	4.5V, 10V
Supplier Device Package	TO-251A
RoHS	RoHS
Part Status	Obsolete

Application & Notes

AOI4144_002 by Alpha & Omega Semiconductor Inc. is an N-channel power MOSFET rated at 30 V / N/A, commonly used in DC-DC converters, motor drivers, power supplies, and battery protection circuits. The TO-251-3 Short Leads, IPak, TO-251AA package offers good thermal performance for SMT mounting. Key spec: Rds(on) max 8mOhm @ 20A, 10V. Select gate driver voltage carefully — logic-level variants exist for direct MCU drive.

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All Technical Specifications

FET Type	N-Channel
Vgs (Max)	±20V
Technology	MOSFET (Metal Oxide)
Vgs(th) (Max) @ Id	2.4V @ 250µA
Rds On (Max) @ Id, Vgs	8mOhm @ 20A, 10V
Power Dissipation (Max)	2.3W (Ta), 50W (Tc)
Gate Charge (Qg) (Max) @ Vgs	28 nC @ 10 V
Drain to Source Voltage (Vdss)	30 V
Input Capacitance (Ciss) (Max) @ Vds	1430 pF @ 15 V
Drive Voltage (Max Rds On, Min Rds On)	4.5V, 10V
Current - Continuous Drain (Id) @ 25°C	13A (Ta), 55A (Tc)

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