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K3973-VB Product details
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K3973-VB MOSFET Product Introduction
K3973-VB is a single N-channel MOSFET in SOT723-3 package. The device has an operating voltage range of 20V, a gate drive voltage (VGS) of ±20V, and a threshold voltage (Vth) of 0.45V. The MOSFET is designed based on advanced trench technology and has low RDS(ON) characteristics of 337.5mΩ@VGS=4.5V and 270mΩ@VGS=10V respectively. Its maximum continuous current capability is 0.65A, which is suitable for low-power circuit applications, providing efficient switching performance and low conduction losses.
K3973-VB is a single N-channel MOSFET in SOT723-3 package. The device has an operating voltage range of 20V, a gate drive voltage (VGS) of ±20V, and a threshold voltage (Vth) of 0.45V. The MOSFET is designed based on advanced trench technology and has low RDS(ON) characteristics of 337.5mΩ@VGS=4.5V and 270mΩ@VGS=10V respectively. Its maximum continuous current capability is 0.65A, which is suitable for low-power circuit applications, providing efficient switching performance and low conduction losses.
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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 |
K3973-VB MOSFET Detailed parameter description
- **Package type**: SOT723-3
- **Configuration**: Single N-channel
- **Drain-source voltage (VDS)**: 20V
- **Gate-source voltage (VGS)**: ±20V
- **Turn-on 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
- **Operating temperature range**: -55°C to +150°C
- **Package type**: SOT723-3
- **Configuration**: Single N-channel
- **Drain-source voltage (VDS)**: 20V
- **Gate-source voltage (VGS)**: ±20V
- **Turn-on 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
- **Operating temperature range**: -55°C to +150°C
Domain and module applications：
Applications and module examples
1. **Portable devices**: K3973-VB is particularly suitable for power management modules of portable electronic devices due to its small package and low power consumption, such as battery management and power switching applications in smartphones, tablets and wearable devices.
2. **Signal switching circuit**: Due to its low RDS(ON) and fast switching speed, this MOSFET can be used in signal modulation or signal switching circuits. It can help reduce energy consumption and reduce signal interference, and is commonly seen in sensor interfaces or radio frequency (RF) modules.
3. **Load switch application**: In power switch modules, K3973-VB can be used in low-voltage, low-current load switching scenarios, such as the standby power control part of laptops and consumer electronic devices. It ensures efficient turn-on and turn-off at lower currents.
4. **Electric toys and small drives**: Due to its support for higher gate drive voltage and lower on-resistance, it can also be used as a drive switch in toy motors, micro drives or LED light control, providing efficient and stable current management.
Through the above diverse application scenarios, K3973-VB becomes an ideal choice in low-power electronic devices, with the advantages of efficient switching and compact design.
1. **Portable devices**: K3973-VB is particularly suitable for power management modules of portable electronic devices due to its small package and low power consumption, such as battery management and power switching applications in smartphones, tablets and wearable devices.
2. **Signal switching circuit**: Due to its low RDS(ON) and fast switching speed, this MOSFET can be used in signal modulation or signal switching circuits. It can help reduce energy consumption and reduce signal interference, and is commonly seen in sensor interfaces or radio frequency (RF) modules.
3. **Load switch application**: In power switch modules, K3973-VB can be used in low-voltage, low-current load switching scenarios, such as the standby power control part of laptops and consumer electronic devices. It ensures efficient turn-on and turn-off at lower currents.
4. **Electric toys and small drives**: Due to its support for higher gate drive voltage and lower on-resistance, it can also be used as a drive switch in toy motors, micro drives or LED light control, providing efficient and stable current management.
Through the above diverse application scenarios, K3973-VB becomes an ideal choice in low-power electronic devices, with the advantages of efficient switching and compact design.
* 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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