MOSFET N-CH 55V 2.1A SOT23-3 Product overview: AO3422L 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 55V, 2.1A, SOT23. Search-friendly keywords include MOSFET, power transistor, switching, N-channel, P-channel, 55V, 2.1A, SOT23, 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-AO3422L can be used for catalog matching and distributor lookup.
Manufacturer: Alpha & Omega Semiconductor Inc.
Win Source Part Number: 729534-AO3422L
Packaging: Tape and Reel
Mounting Style: SMD
Technology: MOSFET
Transistor Polarity: N-Channel
Family Name: AO3422L
Categories: Discrete Semiconductor Products
Supplier Device Package: SOT-23-3
Drive Voltage (Max Rds On, Min Rds On): 2.5V, 4.5V
Status: Obsolete
Temperature Range - Operating: -55°C ~ 150°C
Manufacturer Package: TO-236-3, SC-59, SOT-23-3
Power Dissipation (Maximum): 1.25W
Alternative Parts (Cross-Reference): AO3422;
Country of Origin: China
Estimated EOL Date: Obsolete
Is this a common-used part?: Yes
Popularity: High
Fake Threat In the Open Market: 81 pct.
Supply and Demand Status: Balance
Manufacturer Pack Quantity: 3,000
MSL Level: 1 (Unlimited)
Vds - Drain-Source Breakdown Voltage: 55V
Id - Continuous Drain Current: 2.1A
Rds On (Maximum) at Id, Vgs: 160mOhm at 2.1A, 4.5V
Gate Source Voltage(th) (Maximum) at Id: 2V at 250μA
Gate Charge (Qg) (Maximum) at Vgs: 3.3nC at 4.5V
Gate Source Voltage (Maximum): ±12V
Input Capacitance (Ciss) (Maximum) at Vds: 300pF at 25V
MOSFET N-CH 55V 2.1A SOT23-3
MOSFET N-CH 55V 2.1A SOT23-3
| ERSAELECTRONICS PTE. LTD. | Win Source Electronics | Shenzhen Shengyu Electronics Technology Limited | ODG (Origin Data Global) | |
|---|---|---|---|---|
| Product Category | Metal-Oxide Semiconductor FET (MOSFET) | RF Transistors | RF Transistors | Metal-Oxide Semiconductor FET (MOSFET) |
| Product Number | 278-AO3422L | 729534-AO3422L | AO3422L | AO3422L |
| Product Name | 55V 2.1A SOT23 MOSFET Transistor | Newest Parts - AO3422L | Discrete Semiconductor Products - Transistors - FETs, MOSFETs | Single FETs, MOSFETs |
| PD | 1250 milliwatts | 1250 milliwatts | ||
| TJ | -55 to 150 C (-67 to 302 F) | -55 to 150 C (-67 to 302 F) | -55 to 150 C (-67 to 302 F) | |
| Package Type | Tape & Reel (TR) | SOT3; SOT23 | SOT23; 3-SMD, SOT-23-3 Variant | SOT23; 3-SMD, SOT-23-3 Variant |
| Packing Method | Tape & Reel (TR) | Tape Reel; Tape and Reel | Tape Reel; Tape & Reel (TR) |