100 pcs SOT-23 SMD Field Effect Transistor AO3400 AO3400A 3400 A09T N-Channel MOS-FET New original
$2.12
Today it costs $2.12 on AliExpress. Since Oct 21, 2026, when we started tracking it, it ranged from $1.81 to $2.12. We haven't tracked it long enough yet to say whether it's on sale.
We have tracked this product for 2 days; confirming a drop takes at least 3 days. The store advertises "was $4.33", but that is the store's own claim; we only state discounts our price history proves.
View on AliExpressAffiliate link: we earn a commission on completed purchases, and the price is the same with or without our code. The price above is the last recorded reading, not a live checkout lookup.
Price history
Today$2.12highest ever seen
Lowest$1.81Oct 21 to Oct 22
Highest$2.12since Oct 22
Tracked since Oct 21 · 2 changesHover over the chart to see each price.Tap the chart to see each price.
See every price change
| When | Price | Change |
|---|---|---|
| Oct 22, 05:37 UTC | $2.12 | +17% |
| Oct 21, 05:36 UTC | $1.81 | −15% |
| Oct 21, 02:28 UTC | $2.12 | start |
| Store | IRUWB Store |
|---|---|
| Product rating | — |
| Store rating | — |
| AliExpress category | Electronic Components & Supplies › Active Components |
| Recorded readings | 3 |
| First seen | 10/21/2026 |
| Last reading | 10/23/2026, 2:07:46 AM UTC |