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20PCS PC817A PC817B PC817C 817A 817C EL817B PC817-B PC817 IC 817B DIP-4 Optocoupler IC Best quality
Quick answer
Is $2.28 a good price for 20PCS PC817A PC817B PC817C 817A 817C EL817B PC817-B PC817 IC 817B…?
It is the usual price, not a deal: $2.28 is in line with the typical price of $2.29 that DipScout measured over the last 14 days. It is the lowest in 18 days, but it has held this price since Nov 4, 2026.
$2.28
Today it costs $2.28 on AliExpress. Since Oct 22, 2026, when we started tracking it, it ranged from $2.28 to $2.40. It's the lowest price in 18 days, but it has been at this value since Nov 4, 2026; by our price history that is already the normal price, not a sale.
No drop compared with what we observed over the last 14 days. The store advertises "was $2.39", 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$2.28lowest ever seen
Lowest$2.28since Nov 4
Highest$2.40Oct 30 to Nov 2
Tracked since Oct 22 · 3 changesHover over the chart to see each price.Tap the chart to see each price.
See every price change
| When | Price | Change |
|---|---|---|
| Nov 4, 06:07 UTC | $2.28 | −0.4% |
| Nov 2, 08:02 UTC | $2.29 | −5% |
| Oct 30, 08:02 UTC | $2.40 | +0.4% |
| Oct 22, 20:30 UTC | $2.39 | start |
| Store | Shop1104399563 Store |
|---|---|
| Positive feedback (AliExpress) | 80% |
| AliExpress category | Electronic Components & Supplies › Active Components |
| Recorded readings | 4 |
| First seen | |
| Last reading |