
AO3400
30 V N-channel enhancement-mode MOSFET
Key details
| Part Number | AO3400 |
|---|---|
| Manufacturer | Alpha & Omega Semiconductor |
| Category | Power MOSFET |
| Lifecycle Status | Obsolete |
| Series | AO3400 |
| Package / Case | 3-lead SOT-23 |
| Pin Count | 3 |
| Operating Temperature | -55°C to +150°C junction |
| Last Verified | 2026-07-18 |
Part information
AO3400 Overview
AO3400 is a Alpha & Omega Semiconductor 30 V N-channel enhancement-mode MOSFET supplied in 3-lead SOT-23. This page uses the exact orderable code because package, grade, temperature and option suffixes can change compatibility.
Key Technical Specifications
| Drain-Source Voltage | 30 V |
|---|---|
| Drain Current | 5.8 A |
| RDS(on) at 10 V | 28 mΩ max |
| RDS(on) at 4.5 V | 33 mΩ max |
| Polarity | N-channel |
Package and Ordering Notes
The listed package is 3-lead SOT-23 with 3 pins, leads, lands or contacts. The featured image is a generic package illustration for form-factor identification and is not an actual date-code or lot photograph. Lifecycle is recorded as Obsolete; confirm current factory support and last-time-buy constraints before design-in.
Sourcing Guidance
AO3400 is a legacy or obsolete orderable code. Source only with date-code, label, package and traceability checks appropriate to the application.
For an accurate quotation, include the full MPN, target quantity, acceptable date-code range, packaging format and destination. Icearth can help review traceability documents, label photos and electrical/package alignment before order placement.
Manufacturer Documentation
Technical values were checked against Alpha & Omega Semiconductor documentation. Use the linked datasheet as the controlling source and re-check revisions before PCB release or firmware qualification.
Lifecycle and sourcing review
This part has a legacy lifecycle status. Submit the exact MPN, quantity, delivery destination and date-code requirements for a sourcing review.
AO3400 is a legacy or obsolete orderable code. Source only with date-code, label, package and traceability checks appropriate to the application.