Overview
The STB18NM80 is an N-channel Power MOSFET developed by STMicroelectronics, utilizing their revolutionary MDmesh™ technology. This device is part of a series that includes the STF18NM80, STP18NM80, and STW18NM80, each available in different packages such as D²PAK, TO-220FP, TO-220, and TO-247. The STB18NM80 is characterized by its extremely low on-resistance, high dv/dt, and excellent avalanche characteristics, making it suitable for a variety of high-performance applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Drain-Source Voltage (VDS) | 800 | V |
| Gate-Source Voltage (VGS) | ±30 | V |
| Continuous Drain Current (ID) at TC = 25°C | 17 | A |
| Continuous Drain Current (ID) at TC = 100°C | 10.71 | A |
| Pulsed Drain Current (IDM) | 68 | A |
| Total Dissipation at TC = 25°C | 190 | W |
| Thermal Resistance Junction-Case (Rthj-case) | 0.66 | °C/W |
| Thermal Resistance Junction-Ambient (Rthj-amb) | 62.5 | °C/W |
| Maximum Operating Junction Temperature (Tj) | 150 | °C |
| Maximum Lead Temperature for Soldering | 300 | °C |
| On-Resistance (RDS(on)) | < 0.295 | Ω |
Key Features
- 100% avalanche tested
- Low input capacitance and gate charge
- Low gate input resistance
- Extremely low on-resistance
- High dv/dt and excellent avalanche characteristics
- Utilizes ST’s proprietary strip technique for superior dynamic performance
Applications
The STB18NM80 is designed for various switching applications, including but not limited to:
- Power supplies and DC-DC converters
- Motor control and drives
- Industrial and automotive systems
- High-frequency switching circuits
Q & A
- What is the maximum drain-source voltage of the STB18NM80?
The maximum drain-source voltage (VDS) is 800 V. - What is the continuous drain current at 25°C?
The continuous drain current (ID) at 25°C is 17 A. - What is the thermal resistance junction-case for the TO-220 package?
The thermal resistance junction-case (Rthj-case) for the TO-220 package is 0.66 °C/W. - What are the key features of the STB18NM80?
The key features include 100% avalanche testing, low input capacitance and gate charge, low gate input resistance, extremely low on-resistance, and high dv/dt with excellent avalanche characteristics. - In which packages is the STB18NM80 available?
The STB18NM80 is available in D²PAK, TO-220FP, TO-220, and TO-247 packages. - What is the maximum operating junction temperature?
The maximum operating junction temperature (Tj) is 150 °C. - What is the maximum lead temperature for soldering?
The maximum lead temperature for soldering is 300 °C. - What technology is used in the STB18NM80?
The STB18NM80 uses STMicroelectronics' MDmesh™ technology. - What are some typical applications of the STB18NM80?
Typical applications include power supplies, DC-DC converters, motor control, industrial and automotive systems, and high-frequency switching circuits. - What is the total gate charge for the STB18NM80?
The total gate charge (Qg) is approximately 70 nC.
