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RQJ0451FQDQS-VB Product details
Back to previous pageProduct introduction：
**Product Introduction:**
RQJ0451FQDQS-VB is a VBsemi brand P-channel field effect transistor with two P-channels. The transistor is designed for medium-power electronic applications and is packaged in SOT23-6 for easy installation and layout. It has a drain-source voltage tolerance of -20V and a drain current tolerance of -4A. At a gate-source voltage of 4.5V and 12V, it has an on-resistance (RDS(ON)) of 75mΩ, and the threshold voltage (Vth) varies from -1.2V to -2.2V.
RQJ0451FQDQS-VB transistor has a wide range of applications in power management, battery protection, power tools, and LED lighting, and can improve system performance and ensure its stable operation.
RQJ0451FQDQS-VB is a VBsemi brand P-channel field effect transistor with two P-channels. The transistor is designed for medium-power electronic applications and is packaged in SOT23-6 for easy installation and layout. It has a drain-source voltage tolerance of -20V and a drain current tolerance of -4A. At a gate-source voltage of 4.5V and 12V, it has an on-resistance (RDS(ON)) of 75mΩ, and the threshold voltage (Vth) varies from -1.2V to -2.2V.
RQJ0451FQDQS-VB transistor has a wide range of applications in power management, battery protection, power tools, and LED lighting, and can improve system performance and ensure its stable operation.
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Product parameter：
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds2.5 | Rds4.5 | Rds10 | Technology |
|---|---|---|---|---|---|---|---|---|---|
| SOT23-6 | Dual-P+P | -20V | -0.6V | -4A | 100（mΩ） | 75(mΩ) | Trench |
| VB Package | Configuration | VCE | VGE | VGEth(V) | VCEsat15V | ICE | Technology |
|---|---|---|---|---|---|---|---|
| SOT23-6 | Dual-P+P | Trench |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds18 | Technology |
|---|---|---|---|---|---|---|---|
| SOT23-6 | Dual-P+P | -20V | -0.6V | -4A | Trench |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds6 | Technology |
|---|---|---|---|---|---|---|---|
| SOT23-6 | Dual-P+P | -20V | -0.6V | -4A | Trench |
| VB Package | Polarity | Vz / VR | Pd | VF | IF | IR | Cd | Type |
|---|---|---|---|---|---|---|---|---|
| SOT23-6 | Dual-P+P |
**Detailed parameter description:**
- Voltage withstand capability: -20V
- Drain current withstand capability: -4A
- On-resistance (RDS(ON)):
- When VGS=4.5V: 75mΩ
-;
When VGS=±12V;: 75mΩ
- Threshold voltage (Vth): -1.2V to -2.2V
- Package type: SOT23-6
- Brand: VBsemi
Domain and module applications：
**Application fields and module examples:**
1. **Power management module:** Due to its P-channel structure, RQJ0451FQDQS-VB is suitable for applications such as load switching power supply, reverse battery protection, and battery charge and discharge management. Its high voltage tolerance and low on-resistance characteristics enable it to achieve efficient energy conversion and stable current control in power management modules.
2. **Battery protection circuit:** In portable devices and battery-powered systems, it is necessary to protect the battery from damage caused by over-discharge and over-charge. RQJ0451FQDQS-VB can be used as a switch tube in the battery protection circuit to ensure safe charging and discharging of the battery and extend the battery life.
3. **Power tool controller:** In power tools and motor control systems, it is necessary to control the switching and reverse movement of the motor. This type of transistor can be used for power switches in power tool controllers to achieve reliable motor control and efficient energy conversion.
4. **LED lighting controller:** In LED lighting applications, it is necessary to control the brightness and switching of the LED. RQJ0451FQDQS-VB can be used for power switches in LED lighting controllers to achieve stable brightness adjustment and energy-saving control of LED lamps.
1. **Power management module:** Due to its P-channel structure, RQJ0451FQDQS-VB is suitable for applications such as load switching power supply, reverse battery protection, and battery charge and discharge management. Its high voltage tolerance and low on-resistance characteristics enable it to achieve efficient energy conversion and stable current control in power management modules.
2. **Battery protection circuit:** In portable devices and battery-powered systems, it is necessary to protect the battery from damage caused by over-discharge and over-charge. RQJ0451FQDQS-VB can be used as a switch tube in the battery protection circuit to ensure safe charging and discharging of the battery and extend the battery life.
3. **Power tool controller:** In power tools and motor control systems, it is necessary to control the switching and reverse movement of the motor. This type of transistor can be used for power switches in power tool controllers to achieve reliable motor control and efficient energy conversion.
4. **LED lighting controller:** In LED lighting applications, it is necessary to control the brightness and switching of the LED. RQJ0451FQDQS-VB can be used for power switches in LED lighting controllers to achieve stable brightness adjustment and energy-saving control of LED lamps.
* 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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