RT9490WSC
Specifications
| Output Current | 5A |
| Quiescent Current | 2.5uA |
| Output Type | Adjustable |
| Operating Temperature | -40°C to +85°C@(TA) |
| Output Voltage | 3V to 18.8V |
| Features | Adjustable current limiting · Cycle-by-cycle current limiting · Overcurrent Protection · Operating status indication · Built-in LDO regulator · Built-in current sense resistor |
| Frequency - Switching | 750kHz · 1MHz · 1.5MHz |
| Function | Buck-Boost |
| Number of Outputs | 1 |
| Switch tube (built-in/external) | Built-in |
| Synchronous Rectifier | Yes |
| Topology | Buck-Boost |
| Voltage - Supply | 3.6V to 24V |
Price
| Quantity | Unit price |
|---|---|
| 1 pcs | USD 7.62 |
| 10 pcs | USD 7.45 |
| 30 pcs | USD 7.33 |
| 100 pcs | USD 7.21 |
Indicative price as of 2026-11-01 09:13 Beijing time · 32h old — ask us for a fresh quote before you commit.
Spot prices on passives and power parts can move by double digits within a single day. Treat this as a reference point, not a binding offer — confirm before you pass it to your customer.
| Availability | In stock |
| Stock | 2,050 pcs |
| Lead time | Ships in 3–5 working days once the lot is confirmed |
| Condition | New & original — lot checked before shipment |
| MOQ | 1 pcs |
| MPQ | 1,500 pcs |
| Stock checked | 2026-11-01 09:13 |
| Price updated | 2026-11-01 09:13 |
Questions buyers ask
Is RT9490WSC in stock?
In stock — 2,050 pcs. Ships in 3–5 working days once the lot is confirmed. Stock last checked 2026-11-01. Minimum order quantity 1 pc.
Is RT9490WSC new and original?
Yes. Every lot is checked before it ships; if a lot is ever refurbished or pulled from a board, the quote says so before you order.
What does RT9490WSC cost?
Indicative unit price is USD 7.62; volume breaks are quoted per order.
What are the key specifications of RT9490WSC?
Output Voltage 3V to 18.8V, Voltage - Supply 3.6V to 24V, Output Current 5A, Quiescent Current 2.5uA.
Is RT9490WSC RoHS compliant?
The data feed lists RoHS: Yes — confirm on the datasheet for your batch.
Where is the RT9490WSC datasheet?
The original manufacturer datasheet is available on request: the Richtek datasheet for RT9490WSC — WL-CSP-56B(3.5x2.9) package drawing, pinout and full electrical characteristics. We send the manufacturer PDF with your quotation. Request the datasheet.
Alternatives & cross-reference
No published cross-reference is on record for RT9490WSC yet. If you are looking for a replacement or an obsolete-part substitute, send us the part number and what it is used for — this is what we do most.
Send the quantity, target price and application. We reply within 24 hours.
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