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BUK961R7-40E,118-VB Product details
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VBsemi BUK961R7-40E,118-VB is a Single N-channel power field-effect transistor using Trench technology, designed for high-current medium-to-low-voltage power conversion and high-power-density applications. Its TO263 package offers excellent heat dissipation and robust electrical connections, suitable for automotive electronics, industrial power supplies, and high-performance motor drives. The device provides extremely low on-resistance and a drain current capability of up to 280A within a 40V drain-source voltage range, effectively reducing system conduction losses and improving overall efficiency.
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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 |
- Drain-Source Voltage (VDS): 40V
- Gate-Source Voltage (VGS): ±20V
- Threshold Voltage (Vth): 3V (typical)
- On-Resistance (VGS=4.5V): 1.68mΩ (typical)
- On-Resistance (VGS=10V): 1.4mΩ (typical)
- Maximum Drain Current (ID): 280A
- Package: TO263
- Technology: Trench
- Gate-Source Voltage (VGS): ±20V
- Threshold Voltage (Vth): 3V (typical)
- On-Resistance (VGS=4.5V): 1.68mΩ (typical)
- On-Resistance (VGS=10V): 1.4mΩ (typical)
- Maximum Drain Current (ID): 280A
- Package: TO263
- Technology: Trench
Domain and module applications：
1. Automotive Electronic Systems: Used for power distribution, DC-DC conversion, and load switching in 12V/24V vehicle networks. Extremely low on-resistance accommodates high-current conditions, improving fuel economy or extending electric vehicle range.
2. High-Power DC-DC Converters: Acts as the main switch in synchronous rectification BUCK or BOOST topologies, reducing rectification losses, suitable for server power supplies, communication base station power supplies, and charging pile modules.
3. Motor Drives and Power Tools: Drives high-power brushless DC or brushed motors, applicable to e-bikes, power tools, and industrial pumps, supporting high-frequency PWM speed control and overcurrent protection.
4. Battery Protection and Management Systems: Serves as the main switch in the charge/discharge circuit, working with protection ICs for high-current on/off control, meeting overcurrent and short-circuit protection needs for energy storage battery packs, UPS, and power battery packs.
5. Low-Voltage High-Current Power Switches: Applied in smart circuit breakers, high-power relay replacement circuits, and hot-swap control, achieving fast, reliable on/off control and significantly reducing conduction temperature rise.
6. Automotive Start-Stop Systems and Auxiliary Power Supplies: Used in engine start-stop circuits and onboard auxiliary power supply modules, withstanding high surge currents to ensure stable operation in harsh environments.
7. Industrial Control and Automation Equipment: Serves as the power stage switch in PLCs, servo drives, and welding equipment, utilizing the good thermal characteristics of the TO263 package for compact, highly reliable structural design.
* 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：
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