Product introduction：
# 1. Product Introduction
STP85NF55-VB is a high-performance N-channel MOSFET in TO220 package with excellent current carrying capacity and low on-resistance. Its maximum drain-source voltage is 60V and the maximum drain current is up to 120A, which is suitable for high-power and high-current applications. Based on Trench technology, STP85NF55-VB can effectively reduce the on-resistance (RDS(ON) = 5mΩ @ VGS = 10V), thereby reducing power loss and improving system efficiency.
This MOSFET has a wide range of applications, especially in power conversion, motor drive, automotive electronics, and industrial automation. It is suitable for use as a high-frequency switch and power switch, and can provide extremely high system efficiency and reliability.
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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 |
60V |
|
3V |
120A |
|
|
5mΩ |
Trench |
| VB Package |
Configuration |
VCE |
VGE |
VGEth(V) |
VCEsat15V |
ICE |
Technology |
| TO220 |
Single-N |
|
|
|
|
|
Trench |
| VB Package |
Configuration |
VDS(V) |
VGS |
Vthyp（V） |
ID(A) |
Rds18 |
Technology |
| TO220 |
Single-N |
60V |
|
3V |
120A |
|
Trench |
| VB Package |
Configuration |
VDS(V) |
VGS |
Vthyp（V） |
ID(A) |
Rds6 |
Technology |
| TO220 |
Single-N |
60V |
|
3V |
120A |
|
Trench |
| VB Package |
Polarity |
Vz / VR |
Pd |
VF |
IF |
IR |
Cd |
Type |
| TO220 |
Single-N |
|
|
|
|
|
|
|
2. Detailed parameter description
- **Package type**: TO220
- **Configuration**: Single-N-Channel
- **Drain-source voltage (VDS)**: 60V
- **Gate-source voltage (VGS)**: ±20V (max)
- **Threshold voltage (Vth)**: 3V
- **On-resistance (RDS(ON))**:
- 5mΩ @ VGS = 10V
- **Maximum drain current (ID)**: 120A
- **Maximum power dissipation**: 150W
- **Operating temperature range**: -55°C to +150°C
- **Maximum gate-source voltage (VGS)**: ±20V
- **Maximum junction temperature**: 150°C
**Typical parameters**:
- **VDS (drain-source voltage)**: 60V, suitable for medium voltage applications.
- **VGS (gate-source voltage)**: ±20V, standard gate drive voltage.
- **RDS(ON) (on-resistance)**: 5mΩ @ VGS = 10V, very low conduction loss.
- **ID (maximum drain current)**: 120A, supports high current load.
- **Vth (threshold voltage)**: 3V, suitable for low voltage drive applications.
Domain and module applications：
III. Application fields and module examples
**1. Power conversion and power management**
STP85NF55-VB is very suitable for power conversion systems (such as DC-DC converters, AC-DC power supplies) due to its low on-resistance (RDS(ON) = 5mΩ) and high current carrying capacity. It can maintain low loss in high-current, high-efficiency applications, especially suitable for high-frequency switching power supplies and high-power power management systems. Its ultra-low on-resistance effectively reduces power loss during power conversion and significantly improves overall system efficiency.
**2. Motor drive and industrial automation**
STP85NF55-VB is an ideal choice for motor drive systems, especially for industrial automation, robotics, power tools and other fields. With a high current carrying capacity of 120A, it can provide stable performance under high current and frequent switching conditions, ensuring that the motor drive system can operate efficiently and stably.
**3. Automotive electronics and battery management systems (BMS)**
STP85NF55-VB is also widely used in battery management systems for electric and hybrid vehicles. Due to its low RDS(ON) value, it can help improve battery charging and discharging efficiency, reduce energy loss, and extend battery life. In addition, the high current capability of this MOSFET is also suitable for motor control and battery monitoring in electric vehicles.
**4. Renewable energy systems (such as solar inverters)**
STP85NF55-VB is suitable for renewable energy systems such as solar inverters. In solar power generation systems, MOSFETs need to handle high power conversion, so the high current capability and low on-resistance of this MOSFET are very suitable for use in solar inverters, which can effectively improve the energy conversion efficiency of the system and ensure the reliable operation of the system under high power conditions.
**5. High-efficiency switching power supply (SMPS)**
STP85NF55-VB is suitable for high-efficiency switching power supplies (SMPS), including computer power supplies, communication power supplies, etc. Due to its low on-resistance, it can reduce losses in high power conversion, improve the efficiency of the switching power supply, ensure stable system operation and reduce heat.
**6. Electrified railway and high-power power conversion**
In the electrified railway system, STP85NF55-VB is very suitable as a power switch, which can efficiently handle high voltage and high current power conversion applications. Whether it is a traction drive system or a power electronic conversion device, STP85NF55-VB can provide stable and reliable performance and improve power conversion efficiency.
* 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：
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