(100pcs) TL431 SOT-23 SMD Voltage Regulator IC 0.5% (Marking 431)
Quick answer
Is $1.89 a good price for (100pcs) TL431 SOT-23 SMD Voltage Regulator IC 0.5% (Marking 431)?
Too early to tell: DipScout has tracked this price for 6 days, and comparing it with a typical price takes at least 7 days. Tracked since Oct 22, 2026, it ranged from $1.88 to $1.89.
$1.89
Today it costs $1.89 on AliExpress. Since Oct 22, 2026, when we started tracking it, it ranged from $1.88 to $1.89. We haven't tracked it long enough yet to say whether it's on sale.
We have tracked this product for 6 days; confirming a drop takes at least 7 days.
View on AliExpressThe price above is the last recorded reading, not a live checkout lookup.
Price history
Today$1.89highest ever seen
Lowest$1.88Oct 22 to Oct 23
Highest$1.89since Oct 23
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 |
|---|---|---|
| Oct 23, 08:03 UTC | $1.89 | +0.5% |
| Oct 22, 20:28 UTC | $1.88 | start |
| Store | Takin Chip Store |
|---|---|
| Product rating | — |
| Store rating | — |
| AliExpress category | Electronic Components & Supplies › Active Components |
| Recorded readings | 2 |
| First seen | 10/22/2026 |
| Last reading | 10/29/2026, 7:56:29 AM UTC |
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.
| Takin Chip Store · Ships from US | $1.89 · 130 sold |
|---|