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STT6405-VB Product details
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1. **STT6405-VB Product Introduction**
**STT6405-VB** is a **single P-type MOSFET**, using **SOT23-6 package**, suitable for switching applications with low voltage and medium current loads. Its maximum drain-source voltage (VDS) is **-30V**, and the maximum drain current (ID) is **-4.8A**, which is suitable for applications where the load current requirement does not exceed this range. The **Trench technology** is used to optimize the on-resistance and switching characteristics, provide lower on-resistance, and enhance the efficiency of power conversion. The **threshold voltage (Vth)** of this MOSFET is **-1.7V**, which is suitable for low-voltage control applications and is widely used in battery drive circuits, DC-DC converters, power management modules, and high-efficiency switching circuits.
**STT6405-VB** is a **single P-type MOSFET**, using **SOT23-6 package**, suitable for switching applications with low voltage and medium current loads. Its maximum drain-source voltage (VDS) is **-30V**, and the maximum drain current (ID) is **-4.8A**, which is suitable for applications where the load current requirement does not exceed this range. The **Trench technology** is used to optimize the on-resistance and switching characteristics, provide lower on-resistance, and enhance the efficiency of power conversion. The **threshold voltage (Vth)** of this MOSFET is **-1.7V**, which is suitable for low-voltage control applications and is widely used in battery drive circuits, DC-DC converters, power management modules, and high-efficiency switching circuits.
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Product parameter：
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds2.5 | Rds4.5 | Rds10 | Technology |
|---|---|---|---|---|---|---|---|---|---|
| SOT23-6 | Single-P | -30V | -1.7V | -4.8A | 49mΩ | Trench |
| VB Package | Configuration | VCE | VGE | VGEth(V) | VCEsat15V | ICE | Technology |
|---|---|---|---|---|---|---|---|
| SOT23-6 | Single-P | Trench |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds18 | Technology |
|---|---|---|---|---|---|---|---|
| SOT23-6 | Single-P | -30V | -1.7V | -4.8A | Trench |
| VB Package | Configuration | VDS(V) | VGS | Vthyp（V） | ID(A) | Rds6 | Technology |
|---|---|---|---|---|---|---|---|
| SOT23-6 | Single-P | -30V | -1.7V | -4.8A | Trench |
| VB Package | Polarity | Vz / VR | Pd | VF | IF | IR | Cd | Type |
|---|---|---|---|---|---|---|---|---|
| SOT23-6 | Single-P |
2. **Detailed parameter description**
- **Model**: STT6405-VB
- **Package type**: **SOT23-6** — The small **SOT23-6 package** is suitable for design requirements with limited space, especially for high-density circuit boards.
- **Configuration**: **Single-P-Channel** — Single P-type MOSFET, suitable for load current control, usually used in switching power supply circuits, load regulation and other applications.
- **Drain-source voltage (VDS)**: **-30V** — The maximum drain-source voltage supported by this MOSFET is **-30V**, suitable for medium voltage load control.
- **Gate-source voltage (VGS)**: **±20V** — The supported gate voltage range is **±20V**, suitable for a variety of drive voltage applications.
- **Threshold voltage (Vth)**: **-1.7V** — The threshold voltage of this MOSFET is **-1.7V**, that is, it turns on when the gate-source voltage is **-1.7V**, which is suitable for low voltage control applications.
- **On-resistance (RDS(ON))**:
- **54mΩ @ VGS=4.5V** — At a lower gate-source voltage, the on-resistance is **54mΩ**, suitable for small current load applications.
- **49mΩ @ VGS=10V** — At a higher gate-source voltage, the on-resistance drops to **49mΩ**, improving switching efficiency and reducing power loss.
- **Maximum drain current (ID)**: **-4.8A** — This MOSFET can provide a maximum drain current of **-4.8A**, suitable for switching control of medium current loads.
- **Technology Type**: **Trench Technology** — Adopt **Trench Technology** to optimize the on-resistance and switching speed, which can reduce power loss and improve efficiency during switching operation.
- **Model**: STT6405-VB
- **Package type**: **SOT23-6** — The small **SOT23-6 package** is suitable for design requirements with limited space, especially for high-density circuit boards.
- **Configuration**: **Single-P-Channel** — Single P-type MOSFET, suitable for load current control, usually used in switching power supply circuits, load regulation and other applications.
- **Drain-source voltage (VDS)**: **-30V** — The maximum drain-source voltage supported by this MOSFET is **-30V**, suitable for medium voltage load control.
- **Gate-source voltage (VGS)**: **±20V** — The supported gate voltage range is **±20V**, suitable for a variety of drive voltage applications.
- **Threshold voltage (Vth)**: **-1.7V** — The threshold voltage of this MOSFET is **-1.7V**, that is, it turns on when the gate-source voltage is **-1.7V**, which is suitable for low voltage control applications.
- **On-resistance (RDS(ON))**:
- **54mΩ @ VGS=4.5V** — At a lower gate-source voltage, the on-resistance is **54mΩ**, suitable for small current load applications.
- **49mΩ @ VGS=10V** — At a higher gate-source voltage, the on-resistance drops to **49mΩ**, improving switching efficiency and reducing power loss.
- **Maximum drain current (ID)**: **-4.8A** — This MOSFET can provide a maximum drain current of **-4.8A**, suitable for switching control of medium current loads.
- **Technology Type**: **Trench Technology** — Adopt **Trench Technology** to optimize the on-resistance and switching speed, which can reduce power loss and improve efficiency during switching operation.
Domain and module applications：
3. **Applicable fields and modules**
**The characteristics of STT6405-VB** make it suitable for many fields, especially in medium voltage, low current load switching applications. The following are typical application scenarios of this MOSFET:
#### a) **DC-DC converter**
In **DC-DC converter**, **STT6405-VB** can be used as a switching element, especially in low voltage or reverse current controlled power conversion systems. Due to its **low on-resistance** and **Trench technology**, it can effectively reduce power loss and improve conversion efficiency, especially suitable for **5V/12V** voltage power converters.
#### b) **Battery Management System (BMS)**
This MOSFET is very suitable for **Battery Management System (BMS)**, especially in **Li-ion battery** charge and discharge management, **STT6405-VB**'s **low on-resistance** and **moderate drain current** ensure efficient current flow, while reducing temperature rise and extending battery life. It can achieve load regulation and balanced management of battery packs.
#### c) **Power Factor Correction (PFC) Circuit**
In **Power Factor Correction (PFC)** circuit, **STT6405-VB** can be used as **load control switch**, by optimizing **on-resistance**, reducing switching losses and improving the efficiency of the power system. It is suitable for power factor improvement of industrial power systems and home appliance power supplies.
#### d) **LED Driver**
In **LED Driver**, **STT6405-VB** is used to control the current of LED to ensure efficient and stable brightness output. Due to its **low on-resistance** and **high switching efficiency**, it can effectively reduce power loss and improve the energy efficiency of the driver.
#### e) **Switching Mode Power Supply (SMPS)**
In **Switching Mode Power Supply (SMPS)** systems, **STT6405-VB** can be used as **P-type MOSFET** switch to help achieve efficient voltage conversion and current control. Its **low on-resistance** and **high current handling capability** make it perform well in **high frequency switching power supplies**, meeting various load regulation and voltage stabilization requirements.
#### f) **Small Power Tools and Consumer Electronics**
In small power tools and some **consumer electronics**, **STT6405-VB** can be used as a switching element for battery power regulation and control. Its small package (**SOT23-6**) is well suited for compact device designs and can withstand moderate current and voltage requirements.
#### g) **Electric Vehicles (EV) and Automotive Electronics**
**STT6405-VB** is also widely used in battery management and power control modules for **Electric Vehicles (EV)** and **Automotive Electronics**. It can effectively regulate battery current to ensure stable operation of the vehicle's power system, and has good thermal management and power conversion efficiency.
### Summary
**STT6405-VB** is a **single P-type MOSFET**, in **SOT23-6 package**, suitable for **30V** voltage environment, capable of handling a maximum **-4.8A** drain current. Its low **RDS(ON)** and **Trench technology** make it excellent in **DC-DC converters, battery management systems, LED driver power supplies**, and **switching power supplies**. Its small package and high efficiency make it an ideal choice for a variety of power management and control applications, especially for **low voltage** and **medium current load** control tasks.
**The characteristics of STT6405-VB** make it suitable for many fields, especially in medium voltage, low current load switching applications. The following are typical application scenarios of this MOSFET:
#### a) **DC-DC converter**
In **DC-DC converter**, **STT6405-VB** can be used as a switching element, especially in low voltage or reverse current controlled power conversion systems. Due to its **low on-resistance** and **Trench technology**, it can effectively reduce power loss and improve conversion efficiency, especially suitable for **5V/12V** voltage power converters.
#### b) **Battery Management System (BMS)**
This MOSFET is very suitable for **Battery Management System (BMS)**, especially in **Li-ion battery** charge and discharge management, **STT6405-VB**'s **low on-resistance** and **moderate drain current** ensure efficient current flow, while reducing temperature rise and extending battery life. It can achieve load regulation and balanced management of battery packs.
#### c) **Power Factor Correction (PFC) Circuit**
In **Power Factor Correction (PFC)** circuit, **STT6405-VB** can be used as **load control switch**, by optimizing **on-resistance**, reducing switching losses and improving the efficiency of the power system. It is suitable for power factor improvement of industrial power systems and home appliance power supplies.
#### d) **LED Driver**
In **LED Driver**, **STT6405-VB** is used to control the current of LED to ensure efficient and stable brightness output. Due to its **low on-resistance** and **high switching efficiency**, it can effectively reduce power loss and improve the energy efficiency of the driver.
#### e) **Switching Mode Power Supply (SMPS)**
In **Switching Mode Power Supply (SMPS)** systems, **STT6405-VB** can be used as **P-type MOSFET** switch to help achieve efficient voltage conversion and current control. Its **low on-resistance** and **high current handling capability** make it perform well in **high frequency switching power supplies**, meeting various load regulation and voltage stabilization requirements.
#### f) **Small Power Tools and Consumer Electronics**
In small power tools and some **consumer electronics**, **STT6405-VB** can be used as a switching element for battery power regulation and control. Its small package (**SOT23-6**) is well suited for compact device designs and can withstand moderate current and voltage requirements.
#### g) **Electric Vehicles (EV) and Automotive Electronics**
**STT6405-VB** is also widely used in battery management and power control modules for **Electric Vehicles (EV)** and **Automotive Electronics**. It can effectively regulate battery current to ensure stable operation of the vehicle's power system, and has good thermal management and power conversion efficiency.
### Summary
**STT6405-VB** is a **single P-type MOSFET**, in **SOT23-6 package**, suitable for **30V** voltage environment, capable of handling a maximum **-4.8A** drain current. Its low **RDS(ON)** and **Trench technology** make it excellent in **DC-DC converters, battery management systems, LED driver power supplies**, and **switching power supplies**. Its small package and high efficiency make it an ideal choice for a variety of power management and control applications, especially for **low voltage** and **medium current load** control tasks.
* 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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