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BUK9E04-30B,127-VB Product details
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BUK9E04-30B,127-VB is a Single N-MOS deeply optimized for low-voltage, high-power switching scenarios. Trench technology balances ultra-low conduction loss with high switching reliability, and the TO262 package provides excellent heat dissipation and current carrying capability. The combination of 30V withstand voltage, 90A continuous current, and 4mΩ on-resistance makes it a cost-effective main device for low-voltage, high-current power paths, motor drives, and battery management applications, especially suitable for industrial-grade designs with stringent requirements for thermal performance and current carrying capacity.
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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 | 30V | 1.7V | 90A | 7(mΩ) | 4(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 | 30V | 1.7V | 90A | Trench |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds6 | Technology |
|---|---|---|---|---|---|---|---|
| TO262 | Single-N | 30V | 1.7V | 90A | Trench |
| VB Package | Polarity | Vz / VR | Pd | VF | IF | IR | Cd | Type |
|---|---|---|---|---|---|---|---|---|
| TO262 | Single-N |
VDS=30V: Suitable for 5V/12V/24V systems, provides ample margin for switching spikes and inductive load surges, enhancing system avalanche capability.
VGS=±20V: Compatible with 4.5V~12V drive levels, can be directly controlled by MCU/PMIC or dedicated gate drivers, simplifying interface design.
Vth=1.7V (typical): Turns on at low drive voltages, ensuring stable conduction even with battery voltage fluctuations.
RDS(on)=4mΩ @ VGS=10V, 7mΩ @ VGS=4.5V: Ultra-low on-resistance significantly reduces conduction losses, resulting in lower full-load temperature rise, effectively reducing heatsink size or increasing power density.
ID=90A: Strong continuous current capability, suitable for high power density converters and pulsed load scenarios, with ample overcurrent margin.
Package TO262: Through-hole mounting offers high mechanical strength, bottom heatsink facilitates rapid heat transfer to PCB or enclosure, suitable for prolonged heavy-load operation.
Domain and module applications：
Low-Voltage High-Current DC-DC Converters: In synchronous rectification or load switch applications, ultra-low on-resistance significantly improves heavy-load efficiency, resulting in lower module temperature rise.
Lithium/Lead-Acid Battery Protection Boards: 90A high current carrying capacity adapts to high-rate discharge scenarios, low internal resistance reduces self-heating of the protection board, improving safety.
Automotive Power Systems: 30V withstand voltage covers 12V/24V vehicle bus requirements, combined with low on-resistance and robust packaging, suitable for body control and auxiliary power supply.
Motor Drives and Power Tools: Low PWM high-frequency switching losses, high current output capability meets motor startup and stall conditions, enhancing controller reliability.
Server Power Supplies and Communication Power Supplies: The thermally excellent TO262 package is suitable for continuous high current output and can be used in parallel to expand current levels.
UPS and Energy Storage Systems: Low conduction losses improve battery mode efficiency, wide safe operating area ensures stable operation under surge loads.
Industrial Control and Automation: High-reliability Trench technology and wide temperature range adapt to harsh environments, suitable for PLCs, servo drives, and other equipment. Selection Summary: The BUK9E04-30B,127-VB achieves an excellent balance between ultra-low on-resistance, 90A high current capability, and the TO262 strong heat dissipation package, making it a cost-effective choice for 30V low-voltage high-power switching applications, especially suitable for projects with clear requirements for heat dissipation, efficiency, 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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