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K3938-VB Product details
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Product Introduction: K3938-VB MOSFET
K3938-VB is a high-efficiency N-channel MOSFET in a SOT723-3 package, designed for miniaturization and high-density circuits. The device supports a drain-source voltage (VDS) of up to 20V and a gate drive voltage (VGS) of up to ±20V. Its threshold voltage (Vth) is as low as 0.45V, allowing it to be reliably turned on at a lower gate voltage. The on-resistance (RDS(ON)) of K3938-VB is 337.5mΩ at VGS = 4.5V, which drops to 270mΩ at VGS = 10V, and the maximum drain current (ID) can reach 0.65A. With its excellent current carrying capability and low power loss characteristics, K3938-VB is particularly suitable for applications with strict requirements on efficiency and volume.
K3938-VB is a high-efficiency N-channel MOSFET in a SOT723-3 package, designed for miniaturization and high-density circuits. The device supports a drain-source voltage (VDS) of up to 20V and a gate drive voltage (VGS) of up to ±20V. Its threshold voltage (Vth) is as low as 0.45V, allowing it to be reliably turned on at a lower gate voltage. The on-resistance (RDS(ON)) of K3938-VB is 337.5mΩ at VGS = 4.5V, which drops to 270mΩ at VGS = 10V, and the maximum drain current (ID) can reach 0.65A. With its excellent current carrying capability and low power loss characteristics, K3938-VB is particularly suitable for applications with strict requirements on efficiency and volume.
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Product parameter：
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds2.5 | Rds4.5 | Rds10 | Technology |
|---|---|---|---|---|---|---|---|---|---|
| SOT723-3 | Single-N | 20V | 0.45V | 0.65A | 270mΩ | Trench |
| VB Package | Configuration | VCE | VGE | VGEth(V) | VCEsat15V | ICE | Technology |
|---|---|---|---|---|---|---|---|
| SOT723-3 | Single-N | Trench |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds18 | Technology |
|---|---|---|---|---|---|---|---|
| SOT723-3 | Single-N | 20V | 0.45V | 0.65A | Trench |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds6 | Technology |
|---|---|---|---|---|---|---|---|
| SOT723-3 | Single-N | 20V | 0.45V | 0.65A | Trench |
| VB Package | Polarity | Vz / VR | Pd | VF | IF | IR | Cd | Type |
|---|---|---|---|---|---|---|---|---|
| SOT723-3 | Single-N |
Parameter description:
- **Package type**: SOT723-3
- **Configuration**: Single N-channel
- **Maximum drain-source voltage (VDS)**: 20V
- **Maximum gate drive voltage (VGS)**: ±20V
- **Threshold voltage (Vth)**: 0.45V
- **On-resistance (RDS(ON))**:
- 337.5mΩ @ VGS = 4.5V
- 270mΩ @ VGS = 10V
- **Maximum drain current (ID)**: 0.65A
- **Technology**: Trench
- **Package type**: SOT723-3
- **Configuration**: Single N-channel
- **Maximum drain-source voltage (VDS)**: 20V
- **Maximum gate drive voltage (VGS)**: ±20V
- **Threshold voltage (Vth)**: 0.45V
- **On-resistance (RDS(ON))**:
- 337.5mΩ @ VGS = 4.5V
- 270mΩ @ VGS = 10V
- **Maximum drain current (ID)**: 0.65A
- **Technology**: Trench
Domain and module applications：
Applications and modules:
1. **Portable electronic devices**: K3938-VB is ideal for portable devices such as smartphones, tablets and wearable devices. These devices have strict requirements on power efficiency and volume, and the small package and high efficiency of K3938-VB make it an ideal choice.
2. **Power management**: This MOSFET can be widely used in power management modules such as DC-DC converters and linear regulators to ensure stable voltage and current output in low-power applications.
3. **LED driver**: K3938-VB can be used in LED driver circuits, especially in lighting solutions that require small size and high efficiency, and can effectively drive multiple LED elements at lower voltages.
4. **Signal switch**: This device is also suitable for signal switching and switching power supply applications, ensuring fast and stable switching performance through low threshold voltage and low on-resistance, suitable for various consumer electronics and industrial control systems.
The high performance and miniaturized design of K3938-VB make it widely used in a variety of small electronic products and related applications, meeting the current market demand for high-performance, low-power devices.
1. **Portable electronic devices**: K3938-VB is ideal for portable devices such as smartphones, tablets and wearable devices. These devices have strict requirements on power efficiency and volume, and the small package and high efficiency of K3938-VB make it an ideal choice.
2. **Power management**: This MOSFET can be widely used in power management modules such as DC-DC converters and linear regulators to ensure stable voltage and current output in low-power applications.
3. **LED driver**: K3938-VB can be used in LED driver circuits, especially in lighting solutions that require small size and high efficiency, and can effectively drive multiple LED elements at lower voltages.
4. **Signal switch**: This device is also suitable for signal switching and switching power supply applications, ensuring fast and stable switching performance through low threshold voltage and low on-resistance, suitable for various consumer electronics and industrial control systems.
The high performance and miniaturized design of K3938-VB make it widely used in a variety of small electronic products and related applications, meeting the current market demand for high-performance, low-power devices.
* 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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