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2SK1591-T2B-A-VB Product details
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VBsemi 2SK1591-T2B-A-VB is a Single N-channel field-effect transistor using Trench technology, designed for high-voltage, low-current signal switching and isolation control scenarios. Its SOT23-3 small package balances thermal performance and layout flexibility, suitable for space-constrained high-density PCB designs. The device provides stable switching characteristics within a 100V drain-source voltage range, and its gate drive is compatible with common 3.3V/5V logic levels, facilitating direct interface with microcontrollers or logic circuits for efficient and reliable on-off control.
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Product parameter：
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds2.5 | Rds4.5 | Rds10 | Technology |
|---|---|---|---|---|---|---|---|---|---|
| SOT23-3 | Single-N | 100V | 1.5V | 0.26A | 3000(mΩ) | 2800(mΩ) | Trench |
| VB Package | Configuration | VCE | VGE | VGEth(V) | VCEsat15V | ICE | Technology |
|---|---|---|---|---|---|---|---|
| SOT23-3 | Single-N | Trench |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds18 | Technology |
|---|---|---|---|---|---|---|---|
| SOT23-3 | Single-N | 100V | 1.5V | 0.26A | Trench |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds6 | Technology |
|---|---|---|---|---|---|---|---|
| SOT23-3 | Single-N | 100V | 1.5V | 0.26A | Trench |
| VB Package | Polarity | Vz / VR | Pd | VF | IF | IR | Cd | Type |
|---|---|---|---|---|---|---|---|---|
| SOT23-3 | Single-N |
**Product Parameters**
- Drain-Source Voltage (VDS): 100V
- Gate-Source Voltage (VGS): ±20V
- Threshold Voltage (Vth): 1.5V (Typical)
- On-Resistance (VGS=4.5V): 3000mΩ (Typical)
- On-Resistance (VGS=10V): 2800mΩ (Typical)
- Maximum Drain Current (ID): 0.26A
- Package Type: SOT23-3
- Process Technology: Trench
- Drain-Source Voltage (VDS): 100V
- Gate-Source Voltage (VGS): ±20V
- Threshold Voltage (Vth): 1.5V (Typical)
- On-Resistance (VGS=4.5V): 3000mΩ (Typical)
- On-Resistance (VGS=10V): 2800mΩ (Typical)
- Maximum Drain Current (ID): 0.26A
- Package Type: SOT23-3
- Process Technology: Trench
Domain and module applications：
1. **High-Voltage Signal Switching**: Used for relay and contactor coil driving and high-side signal on/off control, leveraging 100V voltage withstand capability for safe isolation and reliable switching.
2. **Battery Management Auxiliary Circuits**: In lithium battery packs or industrial battery monitoring systems, used as high-side/low-side detection switches, working with protection circuits for overvoltage and overcurrent status monitoring.
3. **Power Supply Startup and Inrush Suppression**: Used as startup circuits or inrush current limiting paths for switching power supplies, providing controlled conduction between the high-voltage bus and control IC to reduce startup impact.
4. **Consumer Electronics Peripheral Interfaces**: Integrated into interface circuits of smart home appliances and sensor modules for logic level conversion and load isolation, adapting to 12V/24V industrial control signals.
5. **LED Driver Auxiliary Switches**: Used in constant current control loops for high-voltage light strips or lighting modules, acting as switching tubes for precise dimming and flicker suppression.
6. **DC-DC Converters**: Used for high-side auxiliary power supply or clamp protection, adapting to low-power auxiliary power supply designs in Buck/Boost topologies.
7. **Industrial Sensors and Instruments**: Undertakes signal conditioning and on/off control in pressure, temperature, and other sensor transmitters, ensuring measurement accuracy with low leakage current characteristics.
* 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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