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2SK4144-AZ-VB Product details
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2SK4144-AZ-VB is a Single N-MOS deeply optimized for low-voltage, high-current power switching scenarios. It adopts Trench technology to achieve a balance between ultra-low on-resistance and excellent switching characteristics. The TO220F full-plastic structure provides good heat dissipation capability and electrical isolation, facilitating installation and system layout. The combination of 60V withstand voltage, 120A continuous current, and 5mΩ on-resistance makes it an ideal choice for high-power density power conversion, motor drive, and battery protection applications.
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Product parameter：
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds2.5 | Rds4.5 | Rds10 | Technology |
|---|---|---|---|---|---|---|---|---|---|
| TO220F | Single-N | 60V | 3V | 120A | 13(mΩ) | 5(mΩ) | Trench |
| VB Package | Configuration | VCE | VGE | VGEth(V) | VCEsat15V | ICE | Technology |
|---|---|---|---|---|---|---|---|
| TO220F | Single-N | Trench |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds18 | Technology |
|---|---|---|---|---|---|---|---|
| TO220F | Single-N | 60V | 3V | 120A | Trench |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds6 | Technology |
|---|---|---|---|---|---|---|---|
| TO220F | Single-N | 60V | 3V | 120A | Trench |
| VB Package | Polarity | Vz / VR | Pd | VF | IF | IR | Cd | Type |
|---|---|---|---|---|---|---|---|---|
| TO220F | Single-N |
VDS=60V: Fully covers 12V/24V/36V/48V system requirements, providing ample margin for inductive load voltage spikes, enhancing system reliability.
VGS=±20V: Compatible with various logic level drives, supports 4.5V to 12V gate voltage, flexibly adapting to MCUs, drivers, or dedicated gate chips.
Vth=3V: Typical threshold voltage design, balancing anti-interference capability and low-voltage drive performance, ensuring stable operation in complex noise environments.
RDS(on)=5mΩ @ VGS=10V, 13mΩ @ VGS=4.5V: Extremely low on-resistance under 10V drive, significantly reducing conduction losses; good conduction capability under 4.5V drive, meeting low-voltage control scenarios.
ID=120A: Very high continuous drain current margin, capable of handling large current transient conditions such as motor startup and short-circuit impacts.
Package TO220F: Fully insulated package, no need for additional insulating pads, excellent thermal performance, suitable for high-power PCB mounting or heatsink attachment.
Domain and module applications：
Low-voltage high-power DC-DC converters: Ultra-low on-resistance significantly reduces synchronous rectification losses, markedly improving heavy-load efficiency, which is beneficial for module miniaturization and high power density design.
Motor drives and controllers: 120A high current capability combined with low switching losses ensures smooth motor operation and lower controller temperature rise, suitable for power tools, robots, etc.
Battery protection and BMS: Milliohm-level on-resistance reduces self-heating of the protection board, fast turn-off capability ensures reliable cell protection during overcurrent and short circuits, extending battery life.
On-board power supply systems: 60V withstand voltage adapts to 12V/24V vehicle buses, wide operating range and TO220F package meet reliability requirements, suitable for auxiliary power supplies, vehicle light drivers, etc.
Industrial power supplies and UPS: High current margin and low loss characteristics improve overall conversion efficiency, reduce heat sink costs, suitable for continuous full-load operation scenarios.
High-power LED lighting drivers: Low on-voltage drop reduces constant current source power consumption, supports multi-channel parallel connection, improves system luminous efficacy and thermal stability. Selection Summary: 2SK4144-AZ-VB achieves an excellent balance of performance and reliability in high-power low-voltage switching applications with its 60V withstand voltage, 120A high current, 5mΩ ultra-low on-resistance, and high-quality TO220F package. It is a cost-effective general-purpose choice in fields like power supplies, motors, batteries, and industrial control, especially suitable for projects with strict requirements on efficiency and temperature rise.
* 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
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