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SSM3J145TU,LXGF-VB Product details
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VBsemi SSM3J145TU,LXGF-VB is a Single P-channel field effect transistor manufactured using Trench technology, designed for medium and low voltage power conversion and load switching scenarios. Its SOT23-3 small package balances heat dissipation performance and layout flexibility, suitable for space-constrained high-density PCB designs. The device provides stable switching characteristics within a drain-source voltage range of -20V, and the gate drive is compatible with common 3.3V/4.5V logic levels, facilitating system integration.
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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-P | -20V | -0.8V | -3.5A | 90(mΩ) | 71(mΩ) | Trench |
| VB Package | Configuration | VCE | VGE | VGEth(V) | VCEsat15V | ICE | Technology |
|---|---|---|---|---|---|---|---|
| SOT23-3 | Single-P | Trench |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds18 | Technology |
|---|---|---|---|---|---|---|---|
| SOT23-3 | Single-P | -20V | -0.8V | -3.5A | Trench |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds6 | Technology |
|---|---|---|---|---|---|---|---|
| SOT23-3 | Single-P | -20V | -0.8V | -3.5A | Trench |
| VB Package | Polarity | Vz / VR | Pd | VF | IF | IR | Cd | Type |
|---|---|---|---|---|---|---|---|---|
| SOT23-3 | Single-P |
Drain-Source Voltage (VDS) -20V
Gate-Source Voltage (VGS) ±12V
Threshold Voltage (Vth) Typical -0.8V
On-Resistance (VGS=4.5V): 90 mΩ (Typical)
On-Resistance (VGS=10V): 71 mΩ (Typical)
Maximum Drain Current (ID) -3.5A
Package: SOT23-3
Technology: Trench
Gate-Source Voltage (VGS) ±12V
Threshold Voltage (Vth) Typical -0.8V
On-Resistance (VGS=4.5V): 90 mΩ (Typical)
On-Resistance (VGS=10V): 71 mΩ (Typical)
Maximum Drain Current (ID) -3.5A
Package: SOT23-3
Technology: Trench
Domain and module applications：
Application Fields and Modules
1. Portable Device Power Management: Used in power banks and handheld voltage regulation modules, utilizing low on-resistance to improve conversion efficiency and extend battery life.
2. Battery Protection System: Acts as the main switch in the charging/discharging path, working with a protection IC for fast overcurrent and overvoltage shutdown, ensuring cell safety.
3. Low-Voltage Motor Drive: Drives small DC brushless or brushed motors, suitable for fans, pumps, and toy actuators, supporting PWM speed control.
4. Consumer Electronics Control Unit: Integrated into smart sockets and USB switching circuits for load detection and power distribution.
5. LED Lighting Constant Current Drive: Applied in low-voltage LED strip or module drivers, providing stable output current and suppressing light flicker.
6. DC-DC Converter: Used for synchronous rectification or auxiliary switches, reducing rectification losses and adapting to Buck/Boost miniaturization designs.
7. Automotive Auxiliary Power: Provides regulated power supply for infotainment, sensors, and other auxiliary loads in 12V automotive 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
