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IRFZ46ZSTRLPBF-VB Product details
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IRFZ46ZSTRLPBF-VB is a Single N-MOS deeply optimized for low-voltage, high-power switching scenarios. The Trench process balances low conduction loss and high switching speed, while the TO263 package achieves a good trade-off between heat dissipation and ease of installation. With a 60V withstand voltage, 75A current-carrying capacity, and 11mΩ on-resistance, it is a reliable power switch option for motor drives, power conversion, and automotive systems, especially suitable for medium to high-power applications requiring large current margins and low thermal resistance packaging.
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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 | 60V | 1.7V | 75A | 12(mΩ) | 11(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 | 60V | 1.7V | 75A | Trench |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds6 | Technology |
|---|---|---|---|---|---|---|---|
| TO263 | Single-N | 60V | 1.7V | 75A | Trench |
| VB Package | Polarity | Vz / VR | Pd | VF | IF | IR | Cd | Type |
|---|---|---|---|---|---|---|---|---|
| TO263 | Single-N |
VDS=60V: Suitable for 12V/24V/36V systems, providing ample margin for voltage spikes, reducing avalanche breakdown risk.
VGS=±20V: Compatible with various logic level drives, can directly connect to controllers or drivers, simplifying gate drive design.
Vth=1.7V (Typical): Low threshold voltage supports low-voltage drive scenarios while maintaining good noise immunity.
RDS(on)=11mΩ @ VGS=10V: Ultra-low on-resistance significantly reduces full-load conduction losses, allowing for smaller heatsinks.
RDS(on)=12mΩ @ VGS=4.5V: Excellent conduction performance even under low gate drive voltage, suitable for battery-powered systems.
ID=75A: High continuous current rating handles heavy load startup and transient peak current surges.
Package TO263: Large copper baseplate design provides low thermal resistance and high heat dissipation efficiency, ideal for high power density PCB layouts.
Domain and module applications：
Low-voltage high-power motor drive: Low on-resistance combined with high withstand voltage reduces PWM losses, improving driver efficiency and reliability.
DC-DC converters: Replaces high forward voltage drop diodes in synchronous rectification, significantly improving heavy-load efficiency, beneficial for increasing module power density.
Automotive power systems: 60V withstand voltage adapts to 12V/24V automotive buses, wide safe operating area handles transient overvoltages like load dump.
Battery protection boards: 75A high current capability meets the charge/discharge needs of power battery packs, low internal resistance reduces temperature rise on the protection board.
Switched-mode power supplies (SMPS): High-speed switching characteristics and low loss advantages, suitable for main switches and power factor correction (PFC) circuits.
Industrial control and power tools: Strong inrush current capability, combined with TO263 package for compact high-power controllers.
Electric marine and drone propulsion: High current density and good thermal design support continuous high-power output, improving system endurance. Selection Summary: The IRFZ46ZSTRLPBF-VB achieves an excellent balance between high current, low on-resistance, and 60V withstand voltage. The TO263 package meets high-power thermal management requirements, making it a cost-effective general-purpose choice for low-voltage high-power switching applications, especially suitable for projects with strict requirements for overcurrent capability and thermal 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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