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5pcs 3DU5C phototransistor triode Silicon phototransistor transistor metal package 2 pin NPN
Quick answer
Is $3.75 a good price for 5pcs 3DU5C phototransistor triode Silicon phototransistor transistor…?
Yes: at $3.75 it is 12% below the typical price of $4.25 that DipScout measured over the last 14 days, a real drop. Tracked since Oct 23, 2026, it ranged from $3.75 to $4.69.
$3.75
Today it costs $3.75 on AliExpress. Since Oct 23, 2026, when we started tracking it, it ranged from $3.75 to $4.69. It is 12% below the typical price of $4.25 that we measured: a real drop.
You save $0.50 · was $4.25
Drop detected on . Price last re-checked on .
Drop confirmed by our price history: we tracked the price over the last 14 days and the typical price (time-weighted median) was $4.25.
View on AliExpressThe price above is the last recorded reading, not a live checkout lookup.
Price history
Today$3.75↓ 12% below typical
Lowest$3.75since Nov 6
Highest$4.69Oct 30 to Nov 2
typical price: median of the last 14 daysTracked since Oct 23 · 3 changesHover over the chart to see each price.Tap the chart to see each price.
See every price change
| When | Price | Change |
|---|---|---|
| Nov 6, 12:10 UTC | $3.75 | −12% |
| Nov 2, 08:02 UTC | $4.25 | −9% |
| Oct 30, 07:13 UTC | $4.69 | +0.9% |
| Oct 23, 20:09 UTC | $4.65 | start |
| Store | DISHIPU Store |
|---|---|
| Positive feedback (AliExpress) | 95% |
| AliExpress category | Electronic Components & Supplies › Active Components |
| Recorded readings | 4 |
| First seen | |
| Last reading |
Also sold by 1 other store
Same title and category on AliExpress, cheapest first. Each store has its own price and history; check the variant and shipping.
| DISHIPU Store · Ships from US | $3.75 · 20 sold |
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