Product introduction：
The NTTFS4939NTWG-VB is a Single N-MOS deeply optimized for low-voltage, high-power switching scenarios. Its Trench process combines ultra-low conduction losses with high switching reliability, and the DFN8(3X3) package achieves an excellent balance between thermal dissipation and board space. The combination of 30V voltage rating, 60A current capability, and 4.8mΩ on-resistance makes it a cost-effective, high-value alternative to traditional DPAK or SOP-8 packaged devices, especially suited for compact applications with high density, high current, and high heat dissipation.
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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-N |
30V |
|
1.46V |
60A |
|
|
4.8(mΩ) |
Trench |
| VB Package |
Configuration |
VCE |
VGE |
VGEth(V) |
VCEsat15V |
ICE |
Technology |
| DFN8(3X3) |
Single-N |
|
|
|
|
|
Trench |
| VB Package |
Configuration |
VDS(V) |
VGS |
Vthyp（V） |
ID(A) |
Rds18 |
Technology |
| DFN8(3X3) |
Single-N |
30V |
|
1.46V |
60A |
|
Trench |
| VB Package |
Configuration |
VDS(V) |
VGS |
Vthyp（V） |
ID(A) |
Rds6 |
Technology |
| DFN8(3X3) |
Single-N |
30V |
|
1.46V |
60A |
|
Trench |
| VB Package |
Polarity |
Vz / VR |
Pd |
VF |
IF |
IR |
Cd |
Type |
| DFN8(3X3) |
Single-N |
|
|
|
|
|
|
|
VDS=30V: Suitable for 5V/12V/24V systems, providing ample voltage margin for spikes and reducing avalanche breakdown risk.
VGS=±20V: Compatible with 1.8V~12V logic levels, can directly connect to MCU/PMIC, eliminating level-shifting circuits.
Vth=1.46V (Typical): Ensures full conduction region even at low drive voltages, ideal for battery voltage decay scenarios.
RDS(on)=4.8mΩ @ VGS=10V: Extremely low on-resistance, significantly reduces temperature rise at full load, minimizing heatsink copper area.
ID=60A: Ample continuous current capability to handle peak demands of high-power loads like motors and power supplies.
Package DFN8(3X3): Small size, low parasitic parameters, supports high-frequency switching, and excellent thermal path for high power density designs.
Domain and module applications：
Decision Value Analysis
Low-Voltage High-Current DC-DC Converters: Replaces Schottky diodes in synchronous rectification; extremely low on-resistance significantly improves heavy-load efficiency, facilitating module miniaturization.
Battery Protection Modules: 60A high current margin combined with fast response ensures reliable shutdown during overcurrent/short circuits; low on-resistance reduces self-heating of the protection board.
Motor Drive Control: Low PWM switching losses, high current carrying capacity meets the demands of power tools, fans, etc., significantly lower controller temperature rise.
Vehicle Auxiliary Power Supplies: Voltage margin and wide operating temperature range suit 12V vehicle buses, high reliability in harsh environments.
Power Outlets and Smart Switches: Logic-level drive simplifies peripheral circuitry; small package suitable for high-volume, high-density assembly.
Power Management for Electric Toys and Portable Devices: Low on-resistance improves energy efficiency, extends battery life; compact package aids lightweight design.
Server and Telecom Power Supplies: High-frequency, high-efficiency switching characteristics, combined with 60A current capability, meet the stringent power density requirements of module power supplies. Selection Summary: The NTTFS4939NTWG-VB achieves an excellent balance between ultra-low on-resistance, high current capability, and compact packaging. It is a high-performance, general-purpose choice for 30V low-voltage, high-power switching applications, particularly suitable for projects with strict requirements on efficiency, temperature rise, and space.
* 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
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