Buck or LDO: Choosing a Power Topology
Two numbers decide it: voltage difference times current. Below 1 W an LDO is simpler and quieter; above it the heat has nowhere to go.
Read articleAO3409 - AOS, SOT-23
Regular price
$0.05
After you place an order, our sales team will send written confirmation of the final price, shipping charges, and estimated delivery lead time. Import duties, taxes, brokerage fees, and other destination charges are the customer's responsibility. When needed, we can assist with available product information and customs documents for import declaration; final customs clearance and payment remain the customer's responsibility.
Couldn't load pickup availability
Customer Service Team
Questions about pricing, stock or sourcing? Our team is happy to help.
Typically replies within 1 business hour
Order & shipping notice
- Prices include applicable taxes; import duties and customs clearance are not included.
- Prefer your own carrier? Choose to use your DHL / FedEx / UPS account at checkout.
- Genuine & original parts, 12-month warranty, DOA replacement.
- Volume pricing available for 1,000+ pcs — ask us for a quote.
Quality Certifications
AO3409
AO3409 is a MOSFET from AOS supplied in a SOT-23 package.
Available Stock: 28153SOT-23Active
ManufacturerAOS
PackageSOT-23
Stock28153
Standard Pack3000
Pricing & Ordering
Unit Price$0.0454
| Quantity | Unit Price (USD) |
|---|---|
| 1 | $0.0454 |
| 3000 | $0.0404 |
Basic Information
| Manufacturer | AOS |
|---|---|
| Manufacturer Part Number | AO3409 |
| Category | MOSFET |
| Package | SOT-23 |
| MOQ | 1 |
| Standard Pack | 3000 |
| Lifecycle Status | Active |
Technical Attributes
| voltage(Vdss) | 30V |
|---|---|
| current(Id) | 2.6A |
| (RDS(on)) | 110mΩ@10V |
| voltage(Vgs(th)) | 1.4V |
| (Qg) | 5.2nC@10V |
| input (Ciss) | 240pF |
| input (Crss) | 37pF |
| Operating Temperature | -55°C ~ +150°C |
Inventory and pricing are updated regularly. Technical data is provided for engineering reference. Datasheet is sourced from the original manufacturer.
MANUFACTURER ACCESS
Manufacturers We Source
Browse frequently requested semiconductor and electronic component manufacturers, then search the catalog or submit an RFQ for the exact part you need.
From the desk
Recent Articles
Market signals, technical notes, and practical sourcing guidance for semiconductor procurement.
TVS Selection: Standoff, Clamp, Current, Capacitance
A TVS is chosen by four numbers in a specific order. Standoff above the rail, clamp below the IC limit, enough peak current, and capacitance that...
Read article
EEPROM vs Flash: Endurance, Granularity, Write Time
Both keep data without power. Byte writes versus sector erase, 1M versus 100k cycles, and the workload that decides which one belongs in the design.
Read article
Gate Resistor and Switching Loss: One Part, Two Effects
Small Rg means fast edges and ringing; large Rg means clean edges and heat. The split diode path, starting values, and how to measure the loss.
Read article
Crystal or Oscillator: Choosing the Clock Source
A crystal needs a circuit; an oscillator is a part. Accuracy classes, startup, jitter, what changes on the board, and when a resonator is enough.
Read article
Decoupling Capacitor Selection: Bias, SRF, Distance
A 10 uF capacitor is not 10 uF at voltage, and above self-resonance it is an inductor. Dielectric, DC bias, SRF and the millimetres that matter.
Read article
HDMI and DisplayPort: A Practical Introduction
Before pixels, the source needs HPD and EDID. Lanes, AC coupling, DDC/AUX and the sideband failures behind most no-signal reports.
Read article
MOSFET Selection: VDS, RDS(on), Qg, and Thermal
Most MOSFET choices fail on the second or third number. Voltage margin, on-resistance at your real gate drive, gate charge, and the package thermal path.
Read article