10pcs/100pcs TLP281-1GB TLP291-1GB TLP281-4GB TLP291-4GB TLP281 TLP291 P281 P291 TLP281-4 TLP291-4 Optical Isolation
$1.91
Today it costs $1.91 on AliExpress. Since Oct 24, 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 less than a day; confirming a drop takes at least 3 days.
View on AliExpressThe price above is the last recorded reading, not a live checkout lookup.
Price history
$1.91
We started tracking this price on Oct 24. The chart takes shape over the days: we only draw prices we observed.
| Store | Chiptowin Official Store |
|---|---|
| Product rating | — |
| Store rating | — |
| AliExpress category | Electronic Components & Supplies › Active Components |
| Recorded readings | 1 |
| First seen | 10/24/2026 |
| Last reading | 10/24/2026, 7:11:33 PM UTC |