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SM3407PSQA-VB Product details
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You are designing a compact lithium-powered device with limited PCB area, yet need to handle -15A high-current switching. Ordinary P-channel MOS tubes either have large packages or high conduction losses. The VBsemi SM3407PSQA-VB is designed for this purpose—it combines -20V withstand voltage, -15A current carrying capacity, and a low on-resistance of 16mΩ, all integrated into the miniature DFN8(3X3) package, making low-voltage load switch and battery protection designs effortless.**
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Product parameter：
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds2.5 | Rds4.5 | Rds10 | Technology |
|---|---|---|---|---|---|---|---|---|---|
| DFN8(3X3) | Single-P | -20V | -0.6V | -15A | 20(mΩ) | 16(mΩ) | Trench |
| VB Package | Configuration | VCE | VGE | VGEth(V) | VCEsat15V | ICE | Technology |
|---|---|---|---|---|---|---|---|
| DFN8(3X3) | Single-P | Trench |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds18 | Technology |
|---|---|---|---|---|---|---|---|
| DFN8(3X3) | Single-P | -20V | -0.6V | -15A | Trench |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds6 | Technology |
|---|---|---|---|---|---|---|---|
| DFN8(3X3) | Single-P | -20V | -0.6V | -15A | Trench |
| VB Package | Polarity | Vz / VR | Pd | VF | IF | IR | Cd | Type |
|---|---|---|---|---|---|---|---|---|
| DFN8(3X3) | Single-P | MOS |
- Withstand voltage -20V, suitable for 3.7V to 12V low-voltage systems, ample safety margin
- Gate drive range ±8V, compatible with 1.8V~4.5V logic levels, worry-free low-voltage direct drive
- Threshold voltage -0.6V, easily achieves precise low-voltage control
- On-resistance 16mΩ (4.5V drive), only 20mΩ at 2.5V drive, negligible loss
- Maximum current -15A, small package carries high energy
- Uses Trench technology, excellent switching characteristics, lower heat generation
**
Domain and module applications：
- Lithium Battery Protection Board – Quickly turns off during overcurrent or short circuit, protecting cell safety.
- Portable Device Power Management – Acts as a load switch, extending battery life with extremely low conduction voltage drop.
- Drones / Power Tools – Withstands high current surges, providing a stable power path for motor drives.
- Smart Home / IoT Modules – Precisely controls power on/off, reducing standby power consumption.
- Boost/Buck DC-DC Circuits – Used in synchronous rectification or power path management, improving system efficiency.
- Power Banks / Chargers – Utilizes the small DFN8 size and low internal resistance for thinner and lighter thermal designs.
- Industrial Sensor Interfaces – Reliably handles voltage fluctuations, providing a clean, stable power rail.
**One-sentence summary:** The SM3407PSQA-VB is not just an ordinary P-channel MOSFET; it is the "micro power switch" and "low-loss expert" for low-voltage, high-current applications.
* Please note: the above is only an example application scenario, the specific application depends on the requirements and conditions of the system design. When using this device, consult its data sheet for detailed technical specifications and features
Technical support：
* If you have any questions about the product, please fill out the form to submit, we will reply you within 24 hours
