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RQJ0450FQDQS-VB Product details
Back to previous pageProduct introduction：
**Product Introduction:**
RQJ0450FQDQS-VB is a VBsemi brand P-channel field effect transistor in SOT23-6 package, suitable for low-power electronic systems. Its silkscreen logo is VB4290. Each transistor has a drain-source voltage tolerance of -20V and a drain current rating of -4A, providing reliable power switching and control functions for the circuit.
RQJ0450FQDQS-VB is suitable for multiple fields and modules such as mobile device charging protection, small DC-DC converters, battery management systems and analog circuit protection, providing reliable power switching and control solutions for various low-power electronic systems.
RQJ0450FQDQS-VB is a VBsemi brand P-channel field effect transistor in SOT23-6 package, suitable for low-power electronic systems. Its silkscreen logo is VB4290. Each transistor has a drain-source voltage tolerance of -20V and a drain current rating of -4A, providing reliable power switching and control functions for the circuit.
RQJ0450FQDQS-VB is suitable for multiple fields and modules such as mobile device charging protection, small DC-DC converters, battery management systems and analog circuit protection, providing reliable power switching and control solutions for various low-power electronic systems.
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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:**
- Drain-source voltage (VDS): -20V
- Drain current (ID): -4A
- Static drain-source resistance (RDS(ON)): 75mΩ (at VGS=4.5V), 20mΩ (at;
VGS=±12V;)
- Gate-source threshold voltage (Vth): -1.2V to -2.2V (range)
Domain and module applications：
**Application fields and module examples:**
1. **Mobile device charging protection:** Due to its small size and low power characteristics, the RQJ0450FQDQS-VB is suitable for charging protection circuits in mobile devices to prevent overvoltage and overcurrent from damaging the device.
2. **Small DC-DC converters:** DC-DC converters used in small electronic devices, such as portable electronics and embedded systems, can achieve efficient conversion of electrical energy and stable power output.
3. **Battery management system:** In the battery management system, this transistor can be used for battery protection and charge and discharge control to ensure the safety and long life of the battery.
4. **Analog circuit protection:** Suitable for functions such as overvoltage protection, overcurrent protection and power isolation in analog circuits to protect analog circuits from damage.
1. **Mobile device charging protection:** Due to its small size and low power characteristics, the RQJ0450FQDQS-VB is suitable for charging protection circuits in mobile devices to prevent overvoltage and overcurrent from damaging the device.
2. **Small DC-DC converters:** DC-DC converters used in small electronic devices, such as portable electronics and embedded systems, can achieve efficient conversion of electrical energy and stable power output.
3. **Battery management system:** In the battery management system, this transistor can be used for battery protection and charge and discharge control to ensure the safety and long life of the battery.
4. **Analog circuit protection:** Suitable for functions such as overvoltage protection, overcurrent protection and power isolation in analog circuits to protect analog circuits from damage.
* 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
Technical support：
* If you have any questions about the product, please fill out the form to submit, we will reply you within 24 hours
