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2SK3489-TD-E-VB Product details
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**Product Introduction** VBsemi 2SK3489-TD-E-VB is a Single N-channel field-effect transistor using Trench technology, designed for medium-to-low voltage power conversion and high-density power management scenarios. Its SOT89 package offers good heat dissipation capability and a compact footprint, suitable for PCB layouts where space is limited but reliable thermal performance is still required. The device provides stable switching characteristics within a 30V drain-source voltage range, and the gate drive is compatible with 2.5V/4.5V logic levels, allowing flexible adaptation to low-voltage control circuits for easy system integration.
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Product parameter：
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds2.5 | Rds4.5 | Rds10 | Technology |
|---|---|---|---|---|---|---|---|---|---|
| SOT89 | Single-N | 30V | 1.7V | 6.8A | 30(mΩ) | 22(mΩ) | Trench |
| VB Package | Configuration | VCE | VGE | VGEth(V) | VCEsat15V | ICE | Technology |
|---|---|---|---|---|---|---|---|
| SOT89 | Single-N | Trench |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds18 | Technology |
|---|---|---|---|---|---|---|---|
| SOT89 | Single-N | 30V | 1.7V | 6.8A | Trench |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds6 | Technology |
|---|---|---|---|---|---|---|---|
| SOT89 | Single-N | 30V | 1.7V | 6.8A | Trench |
| VB Package | Polarity | Vz / VR | Pd | VF | IF | IR | Cd | Type |
|---|---|---|---|---|---|---|---|---|
| SOT89 | Single-N |
Drain-Source Voltage (VDS): 30V
Gate-Source Voltage (VGS): ±20V
Threshold Voltage (Vth): Typical 1.7V
On-Resistance (VGS=2.5V): 30 mΩ (Typical)
On-Resistance (VGS=4.5V): 22 mΩ (Typical)
Maximum Drain Current (ID): 6.8A
Package: SOT89
Technology: Trench
Gate-Source Voltage (VGS): ±20V
Threshold Voltage (Vth): Typical 1.7V
On-Resistance (VGS=2.5V): 30 mΩ (Typical)
On-Resistance (VGS=4.5V): 22 mΩ (Typical)
Maximum Drain Current (ID): 6.8A
Package: SOT89
Technology: Trench
Domain and module applications：
1. Portable Device Power Management: Used in power banks and handheld voltage regulator modules, leveraging low on-resistance to improve conversion efficiency and extend battery life.
2. Battery Protection System: Serves as the main switch in the charge/discharge loop, working with the protection IC to achieve fast overcurrent and overvoltage shutdown, ensuring cell safety.
3. Low-Voltage Motor Drive: Drives small DC brushed or brushless motors, suitable for fans, pumps, and electric toys, supporting PWM speed control.
4. Consumer Electronics Control Unit: Integrated into smart sockets and USB power on/off circuits to enable load detection and power distribution.
5. LED Lighting Constant Current Drive: Applied in low-voltage light strips or module drivers to stabilize output current and effectively suppress light flicker.
6. DC-DC Converter: Used for synchronous rectification or auxiliary switching to reduce rectification losses, suitable for miniaturized Buck/Boost designs.
7. Vehicle Auxiliary Power Supply: Provides regulated power for infotainment, sensors, and other auxiliary loads in 12V vehicle networks.
* 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：
* If you have any questions about the product, please fill out the form to submit, we will reply you within 24 hours
