Product introduction：
PHM18NQ15T,518-VB is a Single N-MOS deeply optimized for medium to high voltage power switching scenarios. Using SGT (Split Gate) technology, it achieves an excellent balance between conduction loss and switching speed. The DFN8(5X6) package combines low thermal resistance with a compact footprint, suitable for high power density designs. The combination of 150V voltage rating, 20A current capability, and 56mΩ on-resistance makes it a reliable choice for communication power supplies, industrial control, and automotive auxiliary systems.
File download
Product parameter：
| VB Package |
Configuration |
VDS(V) |
VGS |
Vthyp（V） |
ID(A) |
Rds2.5 |
Rds4.5 |
Rds10 |
Technology |
| DFN8(5X6) |
Single-N |
150V |
|
3V |
20A |
|
|
56(mΩ) |
SGT |
| VB Package |
Configuration |
VCE |
VGE |
VGEth(V) |
VCEsat15V |
ICE |
Technology |
| DFN8(5X6) |
Single-N |
|
|
|
|
|
SGT |
| VB Package |
Configuration |
VDS(V) |
VGS |
Vthyp（V） |
ID(A) |
Rds18 |
Technology |
| DFN8(5X6) |
Single-N |
150V |
|
3V |
20A |
|
SGT |
| VB Package |
Configuration |
VDS(V) |
VGS |
Vthyp（V） |
ID(A) |
Rds6 |
Technology |
| DFN8(5X6) |
Single-N |
150V |
|
3V |
20A |
|
SGT |
| VB Package |
Polarity |
Vz / VR |
Pd |
VF |
IF |
IR |
Cd |
Type |
| DFN8(5X6) |
Single-N |
|
|
|
|
|
|
|
VDS=150V: Suitable for 48V/72V/110V and other high-voltage bus systems, providing ample voltage margin for inductive load spikes, significantly reducing the risk of avalanche breakdown.
VGS=±20V: Compatible with standard 10V gate drives and some 12V drive circuits, can flexibly match PWM controllers or dedicated gate driver ICs.
Vth=3V (Typical): Moderate threshold voltage, strong anti-interference capability, while ensuring full conduction region under 10V drive, adaptable to a wide temperature range.
RDS(on)=56mΩ @ VGS=10V: Optimized on-resistance, low full-load loss, combined with the excellent heat dissipation path of the DFN8 package, effectively controls temperature rise.
ID=20A: Ample continuous current margin, can handle transient high current surges such as motor startup and capacitor charging, improving system robustness.
Package DFN8(5X6): Low parasitic inductance, beneficial for high-frequency switching; bottom-side thermal pad enhances heat conduction, reducing PCB copper foil heat dissipation pressure.
Domain and module applications：
Communication Power Supplies & Server PSUs: High conversion efficiency on the high-voltage bus; SGT process reduces switching losses, suitable for LLC half-bridge/full-bridge topologies.
Industrial Motor Drives: 150V withstand voltage covers 48V~96V motor buses; excellent PWM switching characteristics, smooth drive with low temperature rise.
DC-DC Converters: Can be used as high-side switches or synchronous rectifiers; heavy-load efficiency superior to traditional planar process devices, facilitating module miniaturization.
Battery Charge/Discharge Management: Suitable for multi-cell series lead-acid/lithium battery systems; low on-resistance reduces charge/discharge loop losses, resulting in lower protection board heating.
Vehicle Auxiliary Power Supplies: Meets voltage requirements of 12V/24V and mild hybrid 48V systems; wide safe operating area enhances reliability.
Solar Micro-Inverters & Energy Storage: SGT technology provides low gate charge, suitable for high-frequency MPPT circuits, improving power density and conversion efficiency.
Power Tools & Drones: Lightweight DFN8 package combined with high current density provides a compact power stage solution for high-rate discharge scenarios. Selection Summary: The PHM18NQ15T,518-VB achieves a balance of low on-resistance, ample current margin, and efficient heat dissipation in the 150V withstand voltage class. It is a cost-effective general-purpose choice for high-voltage switching applications in communications, industrial, and automotive fields, especially suitable for projects with strict requirements on heat dissipation and system reliability.
* 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
Download now
中文
English
Back to previous page.png)
