50PCS Transistor BC547 BC557 Each 25pcs BC547B BC557B NPN PNP Triode Transistors DIY Electronic Kit
Quick answer
Is $1.78 a good price for 50PCS Transistor BC547 BC557 Each 25pcs BC547B BC557B NPN PNP Triode…?
It is the usual price, not a deal: $1.78 is in line with the typical price of $1.78 that DipScout measured over the last 4 days. Tracked since Oct 23, 2026, the price hasn't changed.
$1.78
Today it costs $1.78 on AliExpress. Since Oct 23, 2026, when we started tracking it, the price hasn't changed. By our price history, it is not on sale right now.
No drop compared with what we observed over the last 4 days. The store advertises "was $3.56", but that is the store's own claim; we only state discounts our price history proves.
View on AliExpressThe price above is the last recorded reading, not a live checkout lookup.
Price history
Today$1.78steady
The price hasn't changed once since Oct 23, when we started tracking it.
Hover over the chart to see each price.Tap the chart to see each price.
| Store | Stone's Store |
|---|---|
| Product rating | — |
| Store rating | — |
| AliExpress category | Electronic Components & Supplies › Active Components |
| Recorded readings | 1 |
| First seen | 10/23/2026 |
| Last reading | 10/27/2026, 8:20:22 PM UTC |
Also sold by 3 other stores
Same title and category on AliExpress, cheapest first. Each store has its own price and history; check the variant and shipping.
| Stone's Store · Ships from US | $1.78 · 815 sold |
|---|---|
| Shop1104159084 Store · Ships from US | $1.82 · 683 sold |
| Shop1104159084 Store | $1.82 · 679 sold |