Computers › Electronic components
1PCS GYJ-0109-B Opto-isolation module 6N137 high-speed optocoupler isolation signal isolation strong push-pull output
Quick answer
Is $4.15 a good price for 1PCS GYJ-0109-B Opto-isolation module 6N137 high-speed optocoupler…?
It is the usual price, not a deal: $4.15 is in line with the typical price of $4.15 that DipScout measured over the last 14 days. It is the lowest in 23 days, but it has held this price since Nov 2, 2026.
$4.15
Today it costs $4.15 on AliExpress. Since Oct 22, 2026, when we started tracking it, it ranged from $4.15 to $4.99. It's the lowest price in 23 days, but it has been at this value since Nov 2, 2026; by our price history that is already the normal price, not a sale. Price checked on Nov 13, 2026, 11:01 UTC.
Drop detected on .
No drop compared with what we observed over the last 14 days. The store advertises "was $7.16", 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
Last reading$4.15on Nov 9
Lowest$4.15Nov 2 to Nov 9
Highest$4.99Oct 22 to Nov 2
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 |
|---|---|---|
| Nov 2, 10:05 UTC | $4.15 | −17% |
| Oct 22, 15:42 UTC | $4.99 | start |
| Store | SZ YUAN XIN HENG YE Electronic Components Store |
|---|---|
| Positive feedback (AliExpress) | 100% |
| AliExpress category | Electronic Components & Supplies › Active Components |
| Sold | 43 |
| Recorded readings | 2 |
| First seen | |
| Last reading |