Alpha & Omega Semiconductor, Ltd. Single FETs, MOSFETs AOI444

N-Channel 60V 4A (Ta), 12A (Tc) 2.1W (Ta), 20W (Tc) Through Hole TO-251A

Manufacturer: Alpha & Omega Semiconductor Inc.
Win Source Part Number: 078157-AOI444
Packaging: Tube/Rail
Mounting: Through Hole
Technology: MOSFET
Polarity: N-Channel
Power Dissipation (Max): 2.1W (Ta), 20W (Tc)
Family Name: AOI444
Categories: Discrete Semiconductor Products
Drive Voltage (Max Rds On, Min Rds On): 4.5V, 10V
Status: Active
Temperature Range - Operating: -55°C to 175°C (TJ)
Case / Package: TO-251A
Dimension: TO-251-3 Stub Leads, IPak
Drain-Source Breakdown Voltage: 60V
Continuous Drain Current at 25°C: 4A (Ta), 12A (Tc)
Gate-Source Threshold Voltage: 3V @ 250μA
Max Gate Charge: 10nC @ 10V
Max Input Capacitance: 540pF @ 30V
Maximum Gate-Source Voltage: ±20V
Maximum Rds On at Id,Vgs: 60 mOhm @ 12A, 10V
Alternative Parts (Cross-Reference): STD16NE06-1; STD16NE06L-1; 2SK2925(L)-E; 2SK2925(L);
ECCN: EAR99
Country of Origin: China
Estimated EOL Date: 2026
Halogen Free: Compliant
Is this a common-used part?: Yes
Popularity: High
Fake Threat In the Open Market: 92 pct.
Supply and Demand Status: Balance

MOSFET N-CH 60V 4A/12A TO251A Product overview: AOI444 from Alpha and Omega Semiconductor, Inc. is a MOSFET Transistor for power switching, load control, motor drives, DC-DC converters, battery systems, and board-level power design. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include 60V, 4A, 12A. Search-friendly keywords include MOSFET, power transistor, switching, N-channel, P-channel, 60V, 4A, 12A, MOSFET Transistor, Single FETs, MOSFETs. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 278-AOI444 can be used for catalog matching and distributor lookup.