AO3402
N-Channel MOSFETThe AO3402 is a n-channel mosfet from VBsemi. View the full AO3402 datasheet below including key specifications, absolute maximum ratings.
Official AO3402 datasheet (PDF) — the source this page was extracted from.
AO3402 Key Specifications
| Parameter | Value |
|---|---|
| Continuous Drain Current | 4A (Ta) |
| Drain-Source Voltage (Vdss) | 30 V |
| Drive Voltage (Max Rds On, Min Rds On) | 2.5V, 10V |
| FET Type | N-Channel |
| Gate Charge (Qg) | 4.34 nC @ 4.5 V |
| Input Capacitance (Ciss) | 390 pF @ 15 V |
| Mounting Type | Surface Mount |
| Operating Temperature | -55°C ~ 150°C (TJ) |
| Package / Case | 3-SMD, SOT-23-3 Variant |
| Power Dissipation (Max) | 1.4W (Ta) |
| Rds(on) | 55mOhm @ 4A, 10V Ω |
| Supplier Device Package | SOT-23-3 |
| Diode Technology | MOSFET (Metal Oxide) |
| Vgs (Max) | ±12V |
| Gate Threshold Voltage | 1.4V @ 250µA |
AO3402 Overview
Part: AO3402
Type: N-Channel MOSFET
Description: 30 V, 4.0 A N-Channel MOSFET with 36 mΩ typical on-resistance.
Absolute Maximum Ratings:
- Max supply voltage: 30 V (Drain-Source Voltage)
- Max continuous current: 4 A (Continuous Drain Current)
- Max junction/storage temperature: 150 °C (Junction Temperature)
Key Specs:
- Drain-source breakdown voltage: 30 V (min) at VGS = 0V, ID = 250μA
- Zero gate voltage drain current: 1 μA (max) at VDS = 24V, VGS = 0V
- Gate threshold voltage: 0.6 V (min) to 1.4 V (max) at VDS = VGS, ID = 250μA
- Drain-source on-resistance: 36 mΩ (typ) at VGS = 10V, ID = 4A
- Input capacitance: 390 pF (typ) at VDS = 15V, VGS = 0V, f = 1MHz
- Total gate charge: 4.34 nC (typ) at VDS = 15V, VGS = 4.5V, ID = 4A
Features:
- High density cell design for low RDS(ON)
- Voltage controlled small signal switch
- Rugged and reliable
- High saturation current capability
Package:
- SOT-23 (3 pins)
AO3402 Features
- z High density cell design for low RDS(ON)
- z Voltage controlled small signal switch
- z Rugged and reliable
- z High saturation current capability
AO3402 Absolute Maximum Ratings
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Drain-Source Voltage | V DS | 30 | V |
| Gate-Source Voltage | V GS | ±12 | V |
| Continuous Drain Current | I D | 4 | A |
| Pulsed Drain Current (note 1) | I DM | 15 | A |
| Power Dissipation | P D | 1.2 | W |
| Thermal Resistance from Junction to Ambient (note 2) | R θ JA | 103 | °C /W |
| Junction Temperature | T J | 150 | °C |
| Storage Temperature | T STG | -55~+150 | °C |
Other MOSFETs
- 20N06D – onsemi, Power MOSFET
- AO3400A – Alpha & Omega Semiconductor Inc., N-Channel MOSFET
- IRF540NPBF – Infineon Technologies, Power MOSFET
- 2N7002K – Diodes Incorporated, N-Channel Enhancement Mode MOSFET
- AO3400 – Alpha & Omega Semiconductor Inc., N-Channel MOSFET
- DMN2044UCB4-7 – Diodes Incorporated, N-Channel MOSFET
- DMG3414U-7 – Diodes Incorporated, N-Channel Enhancement Mode MOSFET
- 2N7002 – Nexperia, N-channel Trench MOSFET
Data on this page is extracted from publicly available manufacturer datasheets using automated tools including AI. It may contain errors or omissions. Always verify specifications against the official manufacturer datasheet before making design or purchasing decisions. See our Terms of Service. Rights holders can submit a takedown request.
Ask your AI agent about the AO3402
Connect SheetsData to Claude, Cursor, Codex or any MCP client and your agent reads this datasheet for you: pinout, limits, register maps and design checks, with the numbers taken from the PDF.
claude mcp add --transport http sheetsdata https://mcp.sheetsdata.com/mcp
Then ask: "Can the AO3402 run from my 12 V rail? Check it against the datasheet limits."
Create a free account $2 of usage every month, no card needed.