AO3401 MOSFET Datasheet & Specifications (FOSAN, SOT-23)
P-Channel
SOT-23
Logic-Level
FOSAN
Vds Max
30V
Id Max
4.4A
Rds(on)
52mΩ@4.5V
Vgs(th)
900mV
Quick Reference
The AO3401 is an P-Channel MOSFET in a SOT-23 package, manufactured by FOSAN. It supports a drain-source breakdown voltage of 30V and a continuous drain current of 4.4A. It is widely used in switching and power applications.
Technical Specifications
| Parameter | Value | Description |
|---|---|---|
| Manufacturer | FOSAN | Original Manufacturer |
| Package | SOT-23 | Physical mounting |
| Transistor Type | MOSFET | Metal-Oxide-Semiconductor FET |
| Category | Single | Configuration |
| Drain-Source Voltage (Vds) | 30V | Max breakdown voltage |
| Continuous Drain Current (Id) | 4.4A | Max current handling |
| Power Dissipation (Pd) | 1.2W | Max thermal limit |
| On-Resistance (Rds(on)) | 52mΩ@4.5V | Resistance when turned fully on |
| Gate Threshold (Vgs(th)) | 900mV | Voltage required to turn on |
| Gate Charge (Qg) | 22nC@15V | Switching energy |
| Input Capacitance (Ciss) | 1.04nF | Internal gate capacitance |
| Output Capacitance (Coss) | 80pF | Internal output capacitance |
| Operating Temp | -55℃~+150℃ | Safe junction temperature range |
Equivalent MOSFETs & Alternatives
| Part | Type | Package | Vds | Id | Rds(on) | Vgs(th) | Manufacturer / Datasheet |
|---|---|---|---|---|---|---|---|
| SI2393DS-T1-GE3 | P-Channel | SOT-23 | 30V | 7.5A | 22.7mΩ@10V | 1V | VISHAY 📄 PDF |
| AO3415M-6AF | P-Channel | SOT-23 | 30V | 5A | 30mΩ@4.5V | 620mV | FOSAN 📄 PDF |
| HL3401 | P-Channel | SOT-23 | 30V | 4.4A | 45.5mΩ@10V | 900mV | R+O 📄 PDF |
| NCE3401AY | P-Channel | SOT-23 | 30V | 4.4A | 80mΩ@2.5V | 1.3V | NCE 📄 PDF |