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SSM3K388R,LF-VB Product details
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VBsemi SSM3K388R,LF-VB is a Single N-channel field-effect transistor using Trench technology, designed for medium-voltage power conversion and precision switching control 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 60V drain-source voltage range, and the gate drive is compatible with common 3.3V/5V logic levels 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 |
|---|---|---|---|---|---|---|---|---|---|
| SOT23-3 | Single-N | 60V | 1.7V | 4A | 86(mΩ) | 75(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 | 60V | 1.7V | 4A | Trench |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds6 | Technology |
|---|---|---|---|---|---|---|---|
| SOT23-3 | Single-N | 60V | 1.7V | 4A | Trench |
| VB Package | Polarity | Vz / VR | Pd | VF | IF | IR | Cd | Type |
|---|---|---|---|---|---|---|---|---|
| SOT23-3 | Single-N |
Product Parameters
- Drain-Source Voltage (VDS): 60V
- Gate-Source Voltage (VGS): ±20V
- Threshold Voltage (Vth): 1.7V (typical)
- On-Resistance (VGS=4.5V): 86mΩ (typical)
- On-Resistance (VGS=10V): 75mΩ (typical)
- Maximum Drain Current (ID): 4A
- Package: SOT23-3
- Technology: Trench
- Drain-Source Voltage (VDS): 60V
- Gate-Source Voltage (VGS): ±20V
- Threshold Voltage (Vth): 1.7V (typical)
- On-Resistance (VGS=4.5V): 86mΩ (typical)
- On-Resistance (VGS=10V): 75mΩ (typical)
- Maximum Drain Current (ID): 4A
- Package: SOT23-3
- Technology: Trench
Domain and module applications：
1. Medium Voltage DC-DC Converters: Used for Buck/Boost auxiliary switches or synchronous rectification, leveraging low conduction loss to improve conversion efficiency, suitable for miniaturized power modules.
2. Battery Protection and Management Systems: Acts as a charge/discharge path switch, working with protection ICs for fast overcurrent/overvoltage shutdown, suitable for power tools and energy storage equipment.
3. Industrial Sensor Interface: Used for digital output and load switching in PLCs, instrumentation, stably driving capacitive/inductive loads.
4. Communication Equipment Power Management: Handles secondary voltage regulation or load switching in 48V input systems like base stations and routers, ensuring power supply reliability.
5. LED Lighting Driver: Used in medium-voltage light strips, constant current control modules, achieving stable output current and suppressing flicker.
6. Motor Drive Control: Drives small brushless DC motors or relay coils, supports PWM speed control, suitable for fans, pumps, and automation equipment.
7. Automotive Auxiliary Circuit: Provides regulated power supply and reverse protection for sensors, control units, etc., in 12V/24V 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：
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