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BUK7E2R3-40C,127-VB Product details
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The BUK7E2R3-40C,127-VB is a Single N-MOS deeply optimized for low-voltage, high-power switching scenarios. Trench technology combines ultra-low on-resistance with high switching speed, and the TO262 package provides excellent heat dissipation and high current-carrying capability. The combination of 40V withstand voltage, 150A continuous current, and 1.7mΩ on-resistance makes it an ideal choice for replacing multi-tube parallel solutions in automotive electronics, industrial power supplies, and high-power modules, especially for applications with strict requirements for power density and reliability.
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Product parameter：
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds2.5 | Rds4.5 | Rds10 | Technology |
|---|---|---|---|---|---|---|---|---|---|
| TO262 | Single-N | 40V | 3.3V | 150A | 1.7(mΩ) | Trench |
| VB Package | Configuration | VCE | VGE | VGEth(V) | VCEsat15V | ICE | Technology |
|---|---|---|---|---|---|---|---|
| TO262 | Single-N | Trench |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds18 | Technology |
|---|---|---|---|---|---|---|---|
| TO262 | Single-N | 40V | 3.3V | 150A | Trench |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds6 | Technology |
|---|---|---|---|---|---|---|---|
| TO262 | Single-N | 40V | 3.3V | 150A | Trench |
| VB Package | Polarity | Vz / VR | Pd | VF | IF | IR | Cd | Type |
|---|---|---|---|---|---|---|---|---|
| TO262 | Single-N |
VDS=40V: Suitable for 12V/24V/36V systems, provides sufficient voltage spike margin, reduces avalanche breakdown risk, improves system safety.
VGS=±20V: Compatible with standard gate drives and most linear regulator outputs, can be directly driven by PWM controllers or dedicated driver ICs.
Vth=3.3V (typical): Moderate threshold voltage, strong anti-interference capability, ensures full conduction at 10V drive, suitable for industrial control signals.
RDS(on)=1.7mΩ @ VGS=10V: Extremely low on-resistance, minimal conduction loss at full load, significantly reduces heatsink size or enables fanless design.
ID=150A: Strong continuous current capability, meets peak demands of high-power motors, battery disconnect switches, and redundant power supplies in heavy-load scenarios.
Package TO262: Through-hole mounting facilitates PCB heat dissipation via copper planes, high mechanical strength, suitable for long-term vibration environments, supports high-current traces.
Domain and module applications：
Automotive Electrical Systems: Used in body controllers, smart fuse boxes, and DC-DC converters. Low on-voltage drop reduces wiring harness heat generation; 40V withstand voltage is compatible with 12V/24V commercial vehicle transients.
High-Power DC-DC Converters: Replaces multiple low-voltage MOSFETs in parallel in synchronous rectification applications, simplifying layout and improving heavy-load efficiency while reducing parasitic inductance.
Lithium Battery Protection Boards: 150A high current supports energy storage battery packs and power tool protection; microsecond shutdown capability ensures short-circuit safety; low internal resistance reduces temperature rise.
Electric Forklift/Low-Speed Electric Vehicle Motor Drive: TO262 package can be used with large-area heatsinks; low PWM switching loss significantly improves controller reliability.
UPS and Server Power Supplies: Stable operation even under high capacitive load startup impact; low on-resistance improves power conversion efficiency, meeting 80Plus standard requirements.
Inverter Welding Power Sources: High-frequency switching characteristics and low on-state loss match inverter topology, reducing the number of power stage devices and improving overall power density.
Industrial Inverters and Servo Drives: 40V withstand voltage covers low-voltage buses; 150A current margin is ample; combined with overcurrent protection for a robust and durable power stage.
Selection Summary: BUK7E2R3-40C,127-VB offers a cost-effective solution for core low-voltage, high-current switching applications with its ultra-low on-resistance, high current capability, and robust TO262 package, especially suitable for projects with stringent requirements for conduction loss, thermal management, and long-term 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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