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Item #:
124372651
100Pcs AO3400 A09T 5.7A 30V SOT-23 N-Channel MOSFET SMD Transistors AO3400A
Item #:
124372651
AUD 23
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The AO3400 features extremely low on-resistance and high current carrying capacity, making it excellent for efficient power management and high-frequency switching.
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What Stands Out
High Current Capacity
The AO3400A supports up to 5.7A, making it ideal for high-performance applications needing reliable power management and effective signal switching capabilities.
Compact Design
With its SOT-23 packaging, the AO3400A offers a space-efficient solution for circuit design, enabling more components to fit into smaller device layouts without sacrificing performance.
Versatile Applications
This N-Channel MOSFET is suited for various electronic applications, including power supplies and motor control, providing flexibility for engineers and hobbyists alike in their design projects.
Product Details
- Quantity: 100 Pcs AO3400 SOT-23 N-Channel MOSFET SMD Transistors
- Encapsulation: SOT-23; Material: Electrical Components
- Size: 2.7mm x 2.5mm x 0.8mm; Color: See Pictures
- AO3400 Transistors Is Mainly Used In Electronic Switching, Power Management And Signal Amplification Applications, It Is An N-Channel Enhanced MOSFET That Regulates The Current Flow Along The Drain-Source Path By Controlling The Gate Voltage To Achieve Precise Control Of The Load
- The AO3400 Has Extremely Low On-Resistance And High Current Carrying Capacity, Which Makes It Excellent In Applications Such As Efficient Power Management, High-Frequency Switching, And Power Amplification
| Package Dimensions | 3.15 x 1.89 x 0.35 inches (8 x 4.8 x 0.9 cm); 0.32 ounces (9.07 grams) |
| Date First Available | March 6, 2025 |
| Manufacturer | TQDLYKHS |
Product Technical Details
| Package Dimensions | 3.15 x 1.89 x 0.35 inches |
| Item Weight | 0.317 ounces |
| Manufacturer | TQDLYKHS |
What's in the box
NOT
Who Should Buy?
-
Electronics Hobbyists
Ideal for DIY electronic projects requiring compact, efficient N-channel MOSFETs in SMD format.
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Small Scale Manufacturing
Useful for manufacturers needing reliable components for small-scale production of electronic devices.
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Educational Purposes
Great for students learning about semiconductor devices and electronic engineering concepts.
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High Power Applications
Not suitable for projects requiring transistors handling very high currents or voltages.
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Non-SMD Users
Inappropriate for those who prefer through-hole components, as this product is SMD styled.
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Beginners Without Tools
Not advisable for beginners lacking the necessary tools for soldering SMD components effectively.
Product Description
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Customer Questions & Answers
-
Question:
What are the key specifications of the AO3400 MOSFET?
Answer: The AO3400 is an N-Channel MOSFET with a maximum current rating of 5.7A and a drain-source voltage of 30V. It features a compact SOT-23 package designed for high-efficiency power switching applications. This makes it ideal for use in various electronic devices requiring efficient power management. The low on-resistance enhances thermal performance, reducing heat generation during operation. -
Question:
What applications are suitable for the AO3400 MOSFET?
Answer: The AO3400 MOSFET is well-suited for various applications including power management in consumer electronics, LED drivers, and power supplies. Its efficient switching capabilities make it ideal for both low and high-side switching applications. Typical scenarios include automated lighting systems, motor drives, and battery management systems, providing reliable performance in compact and energy-efficient designs. -
Question:
How does the thermal performance of the AO3400 compare with other MOSFETs?
Answer: The AO3400 features a low on-resistance, which translates into better thermal performance compared to many comparable MOSFETs. This attribute allows it to handle power dissipation more efficiently, making it suitable for high-performance applications where heat management is crucial. Consequently, designers often prefer the AO3400 in projects where thermal considerations are critical to maintain device integrity. -
Question:
What is the significance of the SOT-23 package for the AO3400?
Answer: The SOT-23 package of the AO3400 is significant due to its small footprint, which saves space on printed circuit boards (PCBs). This compact design is valuable for modern devices that prioritize miniaturization. Additionally, this package allows for better heat dissipation and improved electrical performance, making it a preferred choice for engineers aiming to optimize their designs in tight spaces. -
Question:
Can the AO3400 MOSFET be used in high-frequency applications?
Answer: Yes, the AO3400 MOSFET is capable of operating in high-frequency applications due to its fast switching speeds. This is particularly beneficial in circuits like DC-DC converters and signal amplification systems, where rapid switching is essential for efficiency. As such, the AO3400 also lends itself well to RF applications, where maintaining signal integrity at high speeds is critical. -
Question:
What factors should I consider when selecting a MOSFET for my project?
Answer: When selecting a MOSFET like the AO3400 for your project, consider factors such as current rating, voltage rating, package size, and on-resistance. Additionally, evaluate the thermal characteristics and switching speeds to ensure compatibility with your specific application. Matching these specifications with your project requirements will enhance performance and reliability, ensuring an optimal electronic design. -
Question:
Is the AO3400 compatible with Arduino and Raspberry Pi projects?
Answer: Yes, the AO3400 is compatible with Arduino and Raspberry Pi projects, making it an excellent choice for hobbyists and engineers alike. Its efficient power management capabilities allow it to interface well with microcontrollers, facilitating tasks such as driving motors or controlling LEDs. Users often leverage this MOSFET in DIY projects that require effective power control and management solutions. -
Question:
What protective measures should I take when using the AO3400?
Answer: When using the AO3400 MOSFET, it's essential to implement protective measures such as gate resistors to limit the inrush current and prevent oscillations. Additionally, including a flyback diode across inductive loads can protect the device from voltage spikes. Adopting these precautions ensures the longevity and reliability of the AO3400 in your circuit, especially in applications involving inductive components. -
Question:
Where can I buy 100 Pcs AO3400 A03400A A09T 5.7A 30V SOT-23 N-Channel MOSFET SMD Transistor AO3400A?
Answer: You can purchase the 100 Pcs AO3400 A03400A A09T 5.7A 30V SOT-23 N-Channel MOSFET SMD Transistor AO3400A on Ubuy. They offer a reliable platform for electronic components, ensuring you get high-quality products for your projects. -
Question:
What alternatives exist to the AO3400 MOSFET?
Answer: Alternatives to the AO3400 MOSFET include the BSS138, BS170, and 2N7000 models, depending on your specific requirements. These alternatives also provide similar electrical characteristics but may differ in switching speed or package type. When considering alternatives, assess their specific parameters such as current rating and on-resistance to ensure they meet the needs of your application effectively.
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Last Updated on June 28, 2026
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Features & Benefits
- N-Channel Enhanced MOSFET for precise current regulation.
- Ideal for electronic switching and power management applications.
- Extremely low on-resistance for maximum efficiency.
- High current carrying capacity enhances performance.
- Perfect for high-frequency switching and power amplification.
- Quantity: 100 pcs, SOT-23 encapsulation for compact design.
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