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TK20S04K3L(T6L1,NQ-VB Product details
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The TK20S04K3L is a Single N-MOS optimized for low-voltage, high-current power conversion applications. It utilizes Trench technology to achieve an excellent balance between switching speed and conduction loss. The TO252 (DPAK) package combines heat dissipation capability with ease of mounting, making it suitable for applications with high reliability requirements such as industrial power supplies, motor drives, and automotive electronics. The combination of 40V withstand voltage, 55A current carrying capacity, and 12mΩ on-resistance makes it an efficient switching choice for low-voltage, high-power paths.
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Product parameter：
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds2.5 | Rds4.5 | Rds10 | Technology |
|---|---|---|---|---|---|---|---|---|---|
| TO252 | Single-N | 40V | 2.5V | 55A | 14(mΩ) | 12(mΩ) | Trench |
| VB Package | Configuration | VCE | VGE | VGEth(V) | VCEsat15V | ICE | Technology |
|---|---|---|---|---|---|---|---|
| TO252 | Single-N | Trench |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds18 | Technology |
|---|---|---|---|---|---|---|---|
| TO252 | Single-N | 40V | 2.5V | 55A | Trench |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds6 | Technology |
|---|---|---|---|---|---|---|---|
| TO252 | Single-N | 40V | 2.5V | 55A | Trench |
| VB Package | Polarity | Vz / VR | Pd | VF | IF | IR | Cd | Type |
|---|---|---|---|---|---|---|---|---|
| TO252 | Single-N |
VDS=40V: Suitable for 12V/24V systems, providing ample voltage spike margin and enhanced avalanche ruggedness.
VGS=±20V: Compatible with 4.5V~12V gate drive, can be directly controlled by logic levels or dedicated drivers, simplifying peripheral design.
Vth=2.5V (Typical): Moderate threshold voltage, strong anti-interference capability, while ensuring controllable conduction at low gate voltage.
RDS(on)=12mΩ @ VGS=10V / 14mΩ @ VGS=4.5V: Ultra-low on-resistance, effectively reducing full-load losses and minimizing heatsink requirements.
ID=55A: Ample continuous current capability to handle high-power load surge currents and sustained output demands.
Package TO252: Mainstream DPAK package, low thermal resistance, reliable soldering, suitable for automated production, compatible with traditional PCB layouts.
Domain and module applications：
Low-Voltage High-Current DC-DC Converters: Replaces Schottky diodes in synchronous rectification applications, significantly improving heavy-load efficiency and reducing output ripple.
Motor Drive Control: Low PWM switching losses support high-frequency modulation, resulting in smoother motor operation and effective controller temperature control.
Battery Protection and Power Management: 55A high current capacity suitable for power battery packs, energy storage systems, and power tool protection boards; low internal resistance reduces self-heating.
Automotive Auxiliary Load Switches: 40V withstand voltage meets 12V/24V vehicle bus requirements; wide safe operating area accommodates inductive load turn-off transients.
Server and Telecom Power Supplies: High efficiency and low thermal resistance characteristics suit on-board power modules, improving power density and long-term reliability.
Power Tools and Garden Machinery: High current output capability meets demanding conditions like start/stop and stall; Trench process enhances impact resistance. Selection Summary: TK20S04K3L, with its 40V/55A specifications and 12mΩ ultra-low on-resistance, provides an efficient and reliable power switch solution for medium and low voltage, high current applications. The TO252 package balances thermal performance and system cost, making it particularly suitable for industrial-grade and automotive-grade projects with clear requirements for current carrying capacity and temperature rise control.
* 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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