AO3400 N-Channel MOSFET | Low RDS(on) Power Semiconductor Solution for BMS, Power Management & PCBA ODM
Product Summary
AO3400 N-Channel Enhancement Mode MOSFET featuring low on-resistance, fast switching performance and compact package design. We provide not only component supply but also BOM optimization, circuit improvement, PCBA engineering and customized ODM solutions.
Product Custom Attributes
Basic Properties
Trading Properties
Product Description
AO3400 N-Channel Enhancement Mode MOSFET – High Efficiency Power Switching Component with ODM Engineering Support
The AO3400 is a high-performance N-Channel Enhancement Mode MOSFET designed for efficient power switching applications requiring low conduction loss, fast switching response and compact PCB integration.
With excellent switching characteristics and low on-resistance, AO3400 provides a reliable solution for power management circuits, battery-powered devices, DC-DC converters, load switching applications and portable electronic products.
Instead of simply supplying MOSFET components, we help customers optimize their complete electronic design through semiconductor selection, BOM engineering and PCBA development services.

Key Features
- N-Channel Enhancement Mode MOSFET
- Low RDS(on) for improved power efficiency
- Fast switching capability
- Low gate charge for reduced switching loss
- Compact surface mount package
- Suitable for high-density PCB designs
- Reliable performance for power management applications
Typical Applications
AO3400 MOSFET is widely used in:
Battery & Energy Applications
- Battery Management System (BMS)
- Portable Energy Storage Systems
- Battery Protection Boards
- Charging Management Circuits
Power Electronics
- DC-DC Converter
- Load Switch
- Voltage Regulation Modules
- Power Distribution Systems
Consumer Electronics
- Smart Devices
- IoT Products
- Portable Electronics
- LED Drivers
Industrial Electronics
- Control Boards
- Embedded Systems
- Automation Equipment

Beyond MOSFET Supply – Electronic Product Optimization Partner
Choosing the right MOSFET affects:
- System efficiency
- Thermal performance
- Battery life
- PCB size
- Manufacturing cost
- Product reliability
Our engineering team supports customers with:
BOM Cost Optimization
We analyze your existing product BOM and provide:
- Alternative semiconductor selection
- MOSFET replacement solutions
- Cost-performance balance optimization
- Supply chain risk reduction
Helping customers reduce unnecessary component costs while maintaining or improving product performance.
Circuit & PCBA Optimization
For existing products or new designs, we provide:
- Power circuit analysis
- Component selection optimization
- PCB layout improvement
- Thermal optimization
- Prototype validation
- Manufacturing support
ODM Product Development Service
From concept to mass production, we support:
Product Concept → Circuit Design → Component Selection → PCBA Development → Prototype → Mass Production
Especially for:
- Portable power products
- Energy storage systems
- Battery-powered devices
- Smart electronic products
- Industrial control equipment
Technical Advantage
Based in Shenzhen, China, we leverage a mature electronics supply chain including:
- Semiconductor suppliers
- PCB manufacturers
- SMT assembly factories
- Battery and power electronics partners
- Precision manufacturing resources
This allows us to provide customers with faster development cycles and optimized total product costs.
Contact Our Experts And Get A Free Consultation!
Our mission is to offer "High Quality" & "Good Service" & "Fast Delivery" to help our clients to gain more profits.