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Product Detailed Parameters
- Description：RF MOSFET SO8FL
- Series：*
- Mfr：onsemi
- Package：Bulk
- Technology：-
- Frequency：-
- Gain：-
- Voltage - Test：-
- Current Rating (Amps)：-
- Noise Figure：-
- Current - Test：-
- Power - Output：-
- Voltage - Rated：-
- Grade：-
- Qualification：-
- Mounting Type：-
- Package / Case：-
- Supplier Device Package：-
- Configuration：-
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Overview
The STMFS4834NST is a high-performance, low-voltage N-channel MOSFET from onsemi's FDMQS series. It features an ultra-low specific on-resistance (RDS(on)) of 0.65 milliohms at a gate drive voltage of 10 volts and a drain current of 20 amperes. The device is housed in a compact DFN5x6 package, designed for efficient thermal dissipation and minimal board space consumption. With a maximum drain-source voltage rating of 40 volts, it provides robust protection against overvoltage conditions in demanding power applications.
Feature Summary
- Ultra-low specific on-resistance for minimized conduction losses
- Advanced trench technology for superior switching performance
- Compact DFN5x6 package optimized for thermal efficiency
Applications
- Point-of-load (POL) DC/DC converters
- High-efficiency synchronous rectification circuits
- Industrial motor control systems
Procurement Notes
Verify the exact suffix 'NST' to confirm tape-and-reel packaging specifications. Ensure compatibility with standard surface-mount assembly processes. Confirm that the operating temperature range meets your system requirements before finalizing procurement orders.
Selection Notes
Select this component when minimizing conduction losses is critical in low-voltage, high-current environments. The DFN5x6 package offers a balance between thermal performance and footprint size. Consider the 40V rating to ensure adequate headroom for transient voltage spikes in your specific circuit design.
Part Context
This part belongs to onsemi's FDMQS series, which focuses on high-density power solutions. The series utilizes advanced silicon technologies to achieve lower RDS(on) values compared to previous generations. This specific model targets applications requiring high efficiency and rapid switching speeds within a small form factor.
Replacement Considerations
Check for direct pin-compatible alternatives within the same FDMQS family. Verify that any substitute maintains the same 40V rating and comparable RDS(on) characteristics. Ensure the replacement package matches the DFN5x6 dimensions for seamless integration.
