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SSM9971-VB Product details
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1. **Product Introduction:**
SSM9971-VB is a single N-channel MOSFET in SOT223 package with high efficiency and low conduction loss. The maximum drain-source voltage (VDS) of this MOSFET is 60V, the gate-source voltage (VGS) is ±20V, and the threshold voltage (Vth) is 1.7V, which is suitable for low-voltage, high-current switching applications. The on-resistance of SSM9971-VB is 33mΩ at VGS = 4.5V and 28mΩ at VGS = 10V, which enables it to show excellent efficiency and low power consumption in high-current applications, and can provide efficient solutions for power management, load switching, power tools, LED driving and other fields. Its maximum leakage current is 7A, which can effectively support a variety of high-efficiency current control and switching power supply applications.
SSM9971-VB is a single N-channel MOSFET in SOT223 package with high efficiency and low conduction loss. The maximum drain-source voltage (VDS) of this MOSFET is 60V, the gate-source voltage (VGS) is ±20V, and the threshold voltage (Vth) is 1.7V, which is suitable for low-voltage, high-current switching applications. The on-resistance of SSM9971-VB is 33mΩ at VGS = 4.5V and 28mΩ at VGS = 10V, which enables it to show excellent efficiency and low power consumption in high-current applications, and can provide efficient solutions for power management, load switching, power tools, LED driving and other fields. Its maximum leakage current is 7A, which can effectively support a variety of high-efficiency current control and switching power supply applications.
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Product parameter：
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds2.5 | Rds4.5 | Rds10 | Technology |
|---|---|---|---|---|---|---|---|---|---|
| SOT223 | Single-N | 60V | 1.7V | 7A | 28mΩ | Trench |
| VB Package | Configuration | VCE | VGE | VGEth(V) | VCEsat15V | ICE | Technology |
|---|---|---|---|---|---|---|---|
| SOT223 | Single-N | Trench |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds18 | Technology |
|---|---|---|---|---|---|---|---|
| SOT223 | Single-N | 60V | 1.7V | 7A | Trench |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds6 | Technology |
|---|---|---|---|---|---|---|---|
| SOT223 | Single-N | 60V | 1.7V | 7A | Trench |
| VB Package | Polarity | Vz / VR | Pd | VF | IF | IR | Cd | Type |
|---|---|---|---|---|---|---|---|---|
| SOT223 | Single-N |
2. **Detailed parameter description: **
- **Model**: SSM9971-VB
- **Package type**: SOT223
- **Configuration**: Single N-channel MOSFET
- **Maximum drain-source voltage (VDS)**: 60V
- **Gate-source voltage (VGS)**: ±20V
- **Threshold voltage (Vth)**: 1.7V
- **On-resistance (RDS(ON))**:
- 33mΩ (at VGS = 4.5V)
- 28mΩ (at VGS = 10V)
- **Maximum leakage current (ID)**: 7A
- **Technology**: Trench technology
- **Operating temperature range**: -55°C to 150°C (depending on the application environment)
- **Model**: SSM9971-VB
- **Package type**: SOT223
- **Configuration**: Single N-channel MOSFET
- **Maximum drain-source voltage (VDS)**: 60V
- **Gate-source voltage (VGS)**: ±20V
- **Threshold voltage (Vth)**: 1.7V
- **On-resistance (RDS(ON))**:
- 33mΩ (at VGS = 4.5V)
- 28mΩ (at VGS = 10V)
- **Maximum leakage current (ID)**: 7A
- **Technology**: Trench technology
- **Operating temperature range**: -55°C to 150°C (depending on the application environment)
Domain and module applications：
3. **Application fields and module examples:**
#### （1）**Power management system**
SSM9971-VB is widely used in power management systems, especially DC-DC converters, overcurrent protection circuits and high-efficiency power regulation modules. Its low on-resistance and high current carrying capacity can effectively improve power conversion efficiency and reduce energy loss.
#### （2）**LED drive circuit**
Due to the low on-resistance and high current handling capacity of SSM9971-VB, it performs well in LED drive systems and can provide a stable current supply to ensure high efficiency and long life of LED lighting systems. In environments where high-efficiency power regulation is required, it can help reduce power loss and improve the energy efficiency of the overall system.
#### （3）**Load Switch and Power Switching**
In load switch applications, SSM9971-VB as a switching element can efficiently control the current flow of the load, and is suitable for various scenarios such as home appliances, power tools and portable devices. Its low on-resistance can reduce power loss and ensure efficient operation of the load switch.
#### （4）**Power Tools and Industrial Equipment**
SSM9971-VB is suitable for power tools and various industrial equipment, especially drive circuits that require high current and high-frequency switching. With its low on-resistance and high current carrying capacity, it can provide stable power supply and still maintain low power consumption under high load conditions.
#### （5）**Battery Management and Power Conversion Applications**
In battery management systems, SSM9971-VB can be used in battery charging, discharging control and battery protection circuits. It can precisely control the current flow, optimize the charging process, and provide stable power through its high current carrying capacity, protecting the battery from overcurrent or overvoltage.
#### (6) **Automotive Electronics**
In automotive electronics applications, SSM9971-VB can be used in vehicle power management, power regulation and electric system drive. It can efficiently control the power transmission of the electric drive system, improve the energy utilization of electric vehicles or hybrid vehicles, and adapt to higher current loads.
### Summary:
SSM9971-VB is a high-efficiency, low-power N-channel MOSFET suitable for high current and high-frequency switching applications. Its low on-resistance and high current carrying capacity make it very suitable for use in power management, LED driving, power tools, load switches and automotive electronics, which can significantly improve system efficiency and reduce power loss.
#### （1）**Power management system**
SSM9971-VB is widely used in power management systems, especially DC-DC converters, overcurrent protection circuits and high-efficiency power regulation modules. Its low on-resistance and high current carrying capacity can effectively improve power conversion efficiency and reduce energy loss.
#### （2）**LED drive circuit**
Due to the low on-resistance and high current handling capacity of SSM9971-VB, it performs well in LED drive systems and can provide a stable current supply to ensure high efficiency and long life of LED lighting systems. In environments where high-efficiency power regulation is required, it can help reduce power loss and improve the energy efficiency of the overall system.
#### （3）**Load Switch and Power Switching**
In load switch applications, SSM9971-VB as a switching element can efficiently control the current flow of the load, and is suitable for various scenarios such as home appliances, power tools and portable devices. Its low on-resistance can reduce power loss and ensure efficient operation of the load switch.
#### （4）**Power Tools and Industrial Equipment**
SSM9971-VB is suitable for power tools and various industrial equipment, especially drive circuits that require high current and high-frequency switching. With its low on-resistance and high current carrying capacity, it can provide stable power supply and still maintain low power consumption under high load conditions.
#### （5）**Battery Management and Power Conversion Applications**
In battery management systems, SSM9971-VB can be used in battery charging, discharging control and battery protection circuits. It can precisely control the current flow, optimize the charging process, and provide stable power through its high current carrying capacity, protecting the battery from overcurrent or overvoltage.
#### (6) **Automotive Electronics**
In automotive electronics applications, SSM9971-VB can be used in vehicle power management, power regulation and electric system drive. It can efficiently control the power transmission of the electric drive system, improve the energy utilization of electric vehicles or hybrid vehicles, and adapt to higher current loads.
### Summary:
SSM9971-VB is a high-efficiency, low-power N-channel MOSFET suitable for high current and high-frequency switching applications. Its low on-resistance and high current carrying capacity make it very suitable for use in power management, LED driving, power tools, load switches and automotive electronics, which can significantly improve system efficiency and reduce power loss.
* 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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