10pcs/lot new BD645 BD646 BD647 BD648 BD649 BD650 BD651 BD652 TO-220 Darlington transistor
$3.52
Today it costs $3.52 on AliExpress. Since Oct 22, 2026, when we started tracking it, it ranged from $3.49 to $3.52. 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.
View on AliExpressThe price above is the last recorded reading, not a live checkout lookup.
Price history
Today$3.52highest ever seen
Lowest$3.49Oct 22 to Oct 23
Highest$3.52since Oct 23
Tracked since Oct 22 · 1 changeHover over the chart to see each price.Tap the chart to see each price.
See every price change
| When | Price | Change |
|---|---|---|
| Oct 23, 08:09 UTC | $3.52 | +0.9% |
| Oct 22, 20:31 UTC | $3.49 | start |
| Store | Shop1104337695 Store |
|---|---|
| Product rating | — |
| Store rating | — |
| AliExpress category | Electronic Components & Supplies › Active Components |
| Recorded readings | 2 |
| First seen | 10/22/2026 |
| Last reading | 10/23/2026, 8:09:23 PM UTC |