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SQM120N04-1M7_JE3-VB Product details
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SQM120N04-1M7_JE3-VB is a Single N-MOS optimized for low-voltage, high-current power switching scenarios. Trench technology combines ultra-low on-resistance with high switching speed, and the TO263 package balances heat dissipation and soldering reliability. The combination of 40V withstand voltage, 280A current capacity, and 1.4mΩ on-resistance makes it a high-performance core device for low-voltage high-power power supplies, motor drives, and battery protection applications, especially suited for systems with stringent requirements for conduction loss and thermal management.
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Product parameter：
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds2.5 | Rds4.5 | Rds10 | Technology |
|---|---|---|---|---|---|---|---|---|---|
| TO263 | Single-N | 40V | 3V | 280A | 1.68(mΩ) | 1.4(mΩ) | Trench |
| VB Package | Configuration | VCE | VGE | VGEth(V) | VCEsat15V | ICE | Technology |
|---|---|---|---|---|---|---|---|
| TO263 | Single-N | Trench |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds18 | Technology |
|---|---|---|---|---|---|---|---|
| TO263 | Single-N | 40V | 3V | 280A | Trench |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds6 | Technology |
|---|---|---|---|---|---|---|---|
| TO263 | Single-N | 40V | 3V | 280A | Trench |
| VB Package | Polarity | Vz / VR | Pd | VF | IF | IR | Cd | Type |
|---|---|---|---|---|---|---|---|---|
| TO263 | Single-N |
VDS=40V: Suitable for 12V/24V/36V systems, providing ample voltage spike margin to reduce avalanche breakdown risk.
VGS=±20V: Compatible with wide-range gate drive, supports 4.5V~12V logic levels, flexible for use with MCU/PMIC or dedicated driver circuits.
Vth=3V (Typical): Moderate threshold voltage, balancing noise immunity and low-voltage drive capability, ideal for industrial control environments.
RDS(on)=1.4mΩ @ VGS=10V: Ultra-low on-resistance, minimizing conduction losses at full load, significantly reducing device temperature rise, simplifying thermal design.
RDS(on)=1.68mΩ @ VGS=4.5V: Maintains very low impedance even at low drive voltage, suitable for applications with limited drive voltage.
ID=280A: Extremely high continuous current capability, capable of handling startup surges, overloads, and peak current demands of high-power loads.
Package TO263: Large package with excellent thermal resistance characteristics, supporting high power output while compatible with standard SMT processes for mass production.
Domain and module applications：
Low-Voltage High-Power DC-DC Converters: Ultra-low on-resistance significantly improves synchronous rectification efficiency, reducing power loss under heavy load conditions, facilitating module miniaturization.
Motor Drive and Control: Supports high-current PWM speed regulation with low switching losses, ensuring smooth motor operation and significantly reduced driver temperature rise.
Battery Protection and BMS: Milliohm-level internal resistance minimizes self-heating of the protection board, with minimal voltage drop during high-current discharge, ideal for high-rate lithium battery applications.
Automotive Power Supply and Auxiliary Systems: 40V withstand voltage covers 12V/24V automotive buses, with a wide temperature range and high reliability suitable for harsh environments like engine compartments.
Power Tools and Industrial Equipment: 280A peak current capability meets startup surge loads, and impact resistance enhances system robustness.
Server Power Supplies and Communication Power Supplies: High efficiency and low heat generation, combined with TO263 package, can handle continuous high-power output, increasing power module density.
Welding Equipment and UPS: Low conduction losses reduce overall power consumption, and high current margin ensures stability during prolonged heavy-load operation. Selection Summary: SQM120N04-1M7_JE3-VB achieves an excellent balance between ultra-low on-resistance, high current capability, and TO263 package thermal advantages. It is a high-performance general-purpose choice for 40V low-voltage high-power switching applications, especially suitable for power and drive projects with strict requirements on efficiency, temperature rise, and 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
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