Product introduction：
**STP21N65M5-VB detailed product introduction**
**STP21N65M5-VB** is a high-performance single N-type MOSFET in a **TO220 package**, with a high withstand voltage of **700V** and a maximum drain current of **20A**. Its low on-resistance (**RDS(ON) = 210mΩ @ VGS = 10V**) ensures efficient power conversion and switching performance. This MOSFET adopts **SJ_Multi-EPI technology**, which gives it low conduction losses and excellent switching performance, suitable for medium and high power power management applications. Due to its superior characteristics, the STP21N65M5-VB is often used in applications requiring high voltage, high current and low loss, such as switching power supplies, inverters, motor drives, and efficient power conversion systems.
The threshold voltage of this MOSFET (**Vth = 3.5V**) makes it stable under a variety of control voltage environments. It is suitable for use in various electronic devices that require high frequency, stable performance and high power carrying.
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Product parameter：
| VB Package |
Configuration |
VDS(V) |
VGS |
Vthyp（V） |
ID(A) |
Rds2.5 |
Rds4.5 |
Rds10 |
Technology |
| TO220 |
Single-N |
700V |
|
3.5V |
20A |
|
|
210mΩ |
SJ_Multi-EPI |
| VB Package |
Configuration |
VCE |
VGE |
VGEth(V) |
VCEsat15V |
ICE |
Technology |
| TO220 |
Single-N |
|
|
|
|
|
SJ_Multi-EPI |
| VB Package |
Configuration |
VDS(V) |
VGS |
Vthyp（V） |
ID(A) |
Rds18 |
Technology |
| TO220 |
Single-N |
700V |
|
3.5V |
20A |
|
SJ_Multi-EPI |
| VB Package |
Configuration |
VDS(V) |
VGS |
Vthyp（V） |
ID(A) |
Rds6 |
Technology |
| TO220 |
Single-N |
700V |
|
3.5V |
20A |
|
SJ_Multi-EPI |
| VB Package |
Polarity |
Vz / VR |
Pd |
VF |
IF |
IR |
Cd |
Type |
| TO220 |
Single-N |
|
|
|
|
|
|
|
**Detailed product parameter description**
- **Model**: STP21N65M5-VB
- **Package type**: TO220
- **Configuration**: Single N-type MOSFET
- **Maximum drain-source voltage (VDS)**: 700V
- **Maximum gate-source voltage (VGS)**: ±30V
- **Throw-on voltage (Vth)**: 3.5V
- **On-resistance (RDS(ON))**:
- 210mΩ @ VGS = 10V
- **Maximum drain current (ID)**: 20A
- **Technology**: SJ_Multi-EPI technology
- **Maximum power consumption**: Suitable for medium and high power applications
- **Operating temperature range**: -55°C to +150°C (typical)
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Domain and module applications：
**Application Examples**
1. **Switching Power Supplies (SMPS)**:
In high-efficiency switching power supplies, STP21N65M5-VB significantly improves power efficiency with its low on-resistance and good switching performance. It is suitable for applications such as **DC-DC converters** and **AC-DC power supplies**, and can provide stable voltage conversion and reduce energy loss. It is widely used in communication equipment, home appliances, computer power supplies and other fields.
2. **Inverters**:
STP21N65M5-VB is suitable for various types of inverters, especially **solar inverters** and **UPS (uninterruptible power supply) systems**. Its high voltage and high current carrying capacity enable it to provide extremely low conduction loss and high efficiency in power conversion, and can withstand high-power current loads in inverters.
3. **Motor Drives**:
In motor drive systems, STP21N65M5-VB is often used to control the start and stop, speed regulation and steering of motors, especially in high-power power tools, electric vehicles (EVs) and industrial automation equipment, to provide efficient and stable current regulation and improve the overall performance and reliability of motor drive systems.
4. **Power Factor Correction (PFC)**:
STP21N65M5-VB is also suitable for power factor correction circuits, especially in **AC-DC converters**. Its low on-resistance and excellent switching performance make it a key component to improve the efficiency of power supply systems, and it has a significant effect in reducing harmonic interference and improving power factor.
5. **Battery Management Systems (BMS)**:
In the battery management system, STP21N65M5-VB provides efficient charge and discharge control. Its low on-resistance and high current carrying capacity enable it to work stably under high power loads, especially suitable for the management and protection of **lithium battery** and **nickel-metal hydride battery** systems.
6. **High-Power Power Conversion**:
STP21N65M5-VB provides strong power support in high-power power conversion applications, especially in **power converter**, **high-power power module** and other fields. Its superior switching characteristics and high voltage resistance enable it to effectively carry high-power loads and ensure stable power output.
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* 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
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