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K1273-VB Product details
Back to previous pageProduct introduction：
1. K1273-VB Product Introduction
K1273-VB is a high-efficiency single N-channel MOSFET designed for low-voltage applications requiring high conductivity. The device adopts SOT89 package, has good thermal performance and space utilization, and is very suitable for compact circuit design. The maximum drain-source voltage (VDS) of K1273-VB is 60V, and the maximum gate-source voltage (VGS) can reach ±20V, which is suitable for a variety of power management and switching applications. Its threshold voltage (Vth) is 1.7V, and the on-resistance (RDS(ON)) is 76mΩ at a gate voltage of 10V, ensuring high-efficiency operation under low power consumption. Using Trench technology, K1273-VB excels in low conduction loss and high current carrying capacity, and can meet the high-efficiency requirements of modern electronic devices.
K1273-VB is a high-efficiency single N-channel MOSFET designed for low-voltage applications requiring high conductivity. The device adopts SOT89 package, has good thermal performance and space utilization, and is very suitable for compact circuit design. The maximum drain-source voltage (VDS) of K1273-VB is 60V, and the maximum gate-source voltage (VGS) can reach ±20V, which is suitable for a variety of power management and switching applications. Its threshold voltage (Vth) is 1.7V, and the on-resistance (RDS(ON)) is 76mΩ at a gate voltage of 10V, ensuring high-efficiency operation under low power consumption. Using Trench technology, K1273-VB excels in low conduction loss and high current carrying capacity, and can meet the high-efficiency requirements of modern electronic devices.
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Product parameter：
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds2.5 | Rds4.5 | Rds10 | Technology |
|---|---|---|---|---|---|---|---|---|---|
| SOT89 | Single-N | 60V | 1.7V | 5.5A | 76mΩ | Trench |
| VB Package | Configuration | VCE | VGE | VGEth(V) | VCEsat15V | ICE | Technology |
|---|---|---|---|---|---|---|---|
| SOT89 | Single-N | Trench |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds18 | Technology |
|---|---|---|---|---|---|---|---|
| SOT89 | Single-N | 60V | 1.7V | 5.5A | Trench |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds6 | Technology |
|---|---|---|---|---|---|---|---|
| SOT89 | Single-N | 60V | 1.7V | 5.5A | Trench |
| VB Package | Polarity | Vz / VR | Pd | VF | IF | IR | Cd | Type |
|---|---|---|---|---|---|---|---|---|
| SOT89 | Single-N |
2. K1273-VB Detailed parameter description
| Parameter | Value |
| ------------------------ | ---------------------- |
| **Model** | K1273-VB |
| **Package type** | SOT89 |
| **Configuration** | Single N-channel|
| **Maximum drain-source voltage (VDS)** | 60V |
| **Maximum gate-source voltage (VGS)** | ±20V |
| **Threshold voltage (Vth)** | 1.7V |
| **On-resistance (RDS(ON))** | 76mΩ @ VGS=10V |
| **On-resistance (RDS(ON))** | 88mΩ @ VGS=4.5V |
| **Maximum drain current (ID)** | 5.5A |
| **Technology type** | Trench |
| **Operating temperature range** | -55°C to 150°C |
| Parameter | Value |
| ------------------------ | ---------------------- |
| **Model** | K1273-VB |
| **Package type** | SOT89 |
| **Configuration** | Single N-channel|
| **Maximum drain-source voltage (VDS)** | 60V |
| **Maximum gate-source voltage (VGS)** | ±20V |
| **Threshold voltage (Vth)** | 1.7V |
| **On-resistance (RDS(ON))** | 76mΩ @ VGS=10V |
| **On-resistance (RDS(ON))** | 88mΩ @ VGS=4.5V |
| **Maximum drain current (ID)** | 5.5A |
| **Technology type** | Trench |
| **Operating temperature range** | -55°C to 150°C |
Domain and module applications：
III. Application fields and module examples
1. **Power management system**
K1273-VB is very suitable for power management systems, especially in applications that require high efficiency and low power consumption. The device can be used as a switching element to help improve power conversion efficiency and reduce energy consumption, and is suitable for use in switching power supplies and DC-DC converters.
2. **Load switch**
Due to its low on-resistance and high drain current capability, K1273-VB can be used in load switching applications to ensure that the device switches quickly between the on and off states and provides reliable current control. This makes it very effective in home appliances, lighting and other load switching applications.
3. **Motor drive**
K1273-VB can be applied to motor drive circuits, especially in small motor and stepper motor control. Its fast switching capability and high conductivity make it superior in motor starting and speed regulation, providing smooth operating performance.
4. **LED driver circuit**
In the LED driver circuit, K1273-VB can be used as a switching element to precisely control the brightness and power consumption of the LED. Its low on-resistance ensures that the LED maintains efficient power conversion under different working conditions, thereby extending the service life of the LED.
5. **Portable electronic devices**
The device is also suitable for portable electronic devices such as smartphones, tablets and other small devices. The small package and high efficiency of K1273-VB make it an ideal choice for these devices, helping to improve battery efficiency and extend the battery life of the device.
1. **Power management system**
K1273-VB is very suitable for power management systems, especially in applications that require high efficiency and low power consumption. The device can be used as a switching element to help improve power conversion efficiency and reduce energy consumption, and is suitable for use in switching power supplies and DC-DC converters.
2. **Load switch**
Due to its low on-resistance and high drain current capability, K1273-VB can be used in load switching applications to ensure that the device switches quickly between the on and off states and provides reliable current control. This makes it very effective in home appliances, lighting and other load switching applications.
3. **Motor drive**
K1273-VB can be applied to motor drive circuits, especially in small motor and stepper motor control. Its fast switching capability and high conductivity make it superior in motor starting and speed regulation, providing smooth operating performance.
4. **LED driver circuit**
In the LED driver circuit, K1273-VB can be used as a switching element to precisely control the brightness and power consumption of the LED. Its low on-resistance ensures that the LED maintains efficient power conversion under different working conditions, thereby extending the service life of the LED.
5. **Portable electronic devices**
The device is also suitable for portable electronic devices such as smartphones, tablets and other small devices. The small package and high efficiency of K1273-VB make it an ideal choice for these devices, helping to improve battery efficiency and extend the battery life of the device.
* 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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