
50PCS BD139 BD140 ( 25PCS BD139 + 25PCS BD140 ) TO126 TO-126 New Voltage Regulator IC Transistor Kit
$2.49
Today it costs $2.49 on AliExpress. Since Oct 21, 2026, when we started tracking it, the price hasn't changed. 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 $3.61", 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$2.49steady
The price hasn't changed once since Oct 21, when we started tracking it.
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| Store | Shop1104159084 Store |
|---|---|
| Product rating | — |
| Store rating | — |
| AliExpress category | Electronic Components & Supplies › Active Components |
| Recorded readings | 1 |
| First seen | 10/21/2026 |
| Last reading | 10/22/2026, 3:39:55 PM UTC |