(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)?
It is the usual price, not a deal: $1.89 is in line with the typical price of $1.89 that DipScout measured over the last 6 days. Tracked since Oct 21, 2026, it ranged from $1.88 to $1.89.
$1.89
Today it costs $1.89 on AliExpress. Since Oct 21, 2026, when we started tracking it, it ranged from $1.88 to $1.89. By our price history, it is not on sale right now.
No drop compared with what we observed over the last 6 days.
View on AliExpressThe price above is the last recorded reading, not a live checkout lookup.
Price history
Last reading$1.89on Oct 24
Lowest$1.88Oct 21 to Oct 23
Highest$1.89Oct 23 to Oct 24
Tracked since Oct 21 · 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, 05:04 UTC | $1.89 | +0.5% |
| Oct 21, 02:28 UTC | $1.88 | start |
| Store | Takin Chip Store |
|---|---|
| Product rating | — |
| Store rating | — |
| AliExpress category | Electronic Components & Supplies › Active Components |
| Recorded readings | 2 |
| First seen | 10/21/2026 |
| Last reading | 10/24/2026, 6:05:10 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 | $1.89 · 133 sold |
|---|