20PCS 10Pair BD139 BD140 TO126 TO-126 new voltage regulator IC 10PCS BD139 + 10PCS BD140
$2.01
Today it costs $2.01 on AliExpress. Since Oct 21, 2026, when we started tracking it, it ranged from $2.00 to $2.01. We haven't tracked it long enough yet to say whether it's on sale.
We have tracked this product for 1 day; confirming a drop takes at least 3 days. The store advertises "was $4.18", 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$2.01highest ever seen
Lowest$2.00on Oct 21
Highest$2.01since Oct 21
Tracked since Oct 21 · 1 changeHover over the chart to see each price.Tap the chart to see each price.
See every price change
| When | Price | Change |
|---|---|---|
| Oct 21, 05:37 UTC | $2.01 | +0.5% |
| Oct 21, 02:28 UTC | $2.00 | start |
| Store | IRUWB Store |
|---|---|
| Product rating | — |
| Store rating | — |
| AliExpress category | Electronic Components & Supplies › Active Components |
| Recorded readings | 2 |
| First seen | 10/21/2026 |
| Last reading | 10/22/2026, 3:40:05 PM UTC |