Overview
The FDS6681Z is a high-performance N-channel enhancement-mode power MOSFET from ON Semiconductor (formerly Fairchild Semiconductor), designed for low-voltage, high-current switching applications. Manufactured using advanced PowerTrench® trench technology, this device features extremely low on-resistance, fast switching speed, and excellent thermal performance, significantly improving power system efficiency and reducing conduction losses.
The FDS6681Z is optimized for portable electronic devices, power management modules, and load switching applications. It is suitable for high-efficiency power control scenarios such as DC-DC converters, battery management, motor drives, and synchronous rectification, making it an ideal choice for low-voltage power management systems.
Core parameters
| Parameter | value |
| Product Type | N-channel MOSFET |
| Drain-source voltage (VDS) | 30V |
| Gate-source voltage (VGS) | ±20V |
| Continuous drain current (ID) | 13A |
| On-resistance (RDS(on)) | Approximately 12mΩ @ VGS=10V |
| Power consumption (Pd) | 2.5W |
| Gate charge (Qg) | Low |
| Encapsulation type | SO-8 |
| Operating temperature range | -55°C to +150°C |
| Environmental standards | RoHS compliant |
Features
Ultra-low on-resistance reduces system losses.
- The FDS6681Z uses advanced PowerTrench® technology, featuring extremely low RDS(on), effectively reducing conduction losses and heat generation, and improving overall power conversion efficiency, making it suitable for high-efficiency design requirements.
Excellent switching performance
- The device features low gate charge and fast switching characteristics, which can reduce switching losses and improve response speed and system efficiency in high-frequency applications.
Excellent thermal management capabilities
- By optimizing the packaging and chip structure, the FDS6681Z offers excellent heat dissipation performance and can maintain stable operation even under high current conditions.
Suitable for low voltage power supply systems
- The 30V drain-source withstand voltage design is ideal for 12V/24V power supply architectures and performs well in low-voltage, high-current applications.
Compact SO-8 package
- It adopts a standard SO-8 small package, which saves PCB space and facilitates high-density circuit design and automated placement.
Typical application scenarios
DC-DC power converter
- Synchronous rectification and high-efficiency switching power supply design.
Battery Management System
- Lithium battery protection, battery switching, and charge/discharge control.
load switch
- Portable device power path management.
Motor drive circuit
- Small DC motor and fan drive control.
Consumer electronics products
- Power management for laptops, tablets, and portable devices.
Comparative Advantage Analysis
| Performance indicators | FDS6681Z | Ordinary MOSFET |
| On resistance | Extremely low (approximately 12 mΩ) | higher |
| Switching speed | quick | generally |
| thermal properties | excellent | medium |
| Package size | Compact SO-8 | Standard package |
| Power efficiency optimization | high | generally |
| High frequency applicability | excellent | medium |
The FDS6681Z outperforms ordinary power MOSFETs in terms of low conduction loss, high-frequency efficiency, and thermal performance, making it particularly suitable for high-efficiency power supply designs.
Manufacturer Profile: ON Semiconductor
ON Semiconductor is a leading global manufacturer of power and signal management semiconductors, with deep technological expertise in MOSFETs, power management ICs, and automotive electronics. Its PowerTrench® MOSFET series is widely used in industrial and consumer electronics markets for its high efficiency, low loss, and high reliability.
Why choose FDS6681Z?
● Low RDS(on), reducing conduction losses
● Fast switching performance, improving high-frequency efficiency
● 30V withstand voltage suitable for low-voltage power supply architectures
● Excellent thermal performance, supporting high-current applications
● SO-8 small package saves PCB space
● ON Semiconductor original quality assurance
Frequently Asked Questions (FAQ)
Q1: Is the FDS6681Z suitable for synchronous rectification?
Yes. The FDS6681Z features low on-resistance and fast switching characteristics, making it ideal for synchronous rectification applications in DC-DC converters, effectively improving conversion efficiency and reducing heat loss.
Q2: Is this device suitable for portable battery-powered devices?
Yes. Its low power consumption and high efficiency make it ideal for power control designs in laptops, battery management modules, mobile devices, and other portable electronic products.
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Product Details: Win Source – ISL83076EIBZA
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