Overview
The STB9NK90Z is a high-voltage N-channel Power MOSFET from STMicroelectronics, part of the SuperMESH™ series. This device is optimized from STMicroelectronics' well-established strip-based PowerMESH™ layout, offering significantly lower on-resistance and excellent dv/dt capability. The STB9NK90Z is designed for demanding applications, particularly in switching environments, and is available in various packages including TO-220, D²PAK, and TO-247.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Drain-Source Voltage (VDS) | 900 | V |
| Gate-Source Voltage (VGS) | ±30 | V |
| Continuous Drain Current (ID) at TC = 25 °C | 8 | A |
| Continuous Drain Current (ID) at TC = 100 °C | 5 | A |
| Pulsed Drain Current (IDM) | 32 | A |
| Total Dissipation at TC = 25 °C | 160 | W |
| Static Drain-Source On Resistance (RDS(on)) | 1.1 - 1.3 | Ω |
| Gate Threshold Voltage (VGS(th)) | 3 - 4.5 | V |
| Turn-On Delay Time (td(on)) | 22 | ns |
| Turn-Off Delay Time (td(off)) | 55 | ns |
| Rise Time (tr) | 13 | ns |
| Fall Time (tf) | 28 | ns |
Key Features
- Extremely high dv/dt capability, making it suitable for demanding applications.
- 100% avalanche tested, ensuring robustness against high-energy pulses.
- Minimized gate charge, reducing switching losses and improving efficiency.
- Built-in back-to-back Zener diodes for enhanced ESD protection and to safely absorb voltage transients.
- Available in various packages: TO-220, D²PAK, and TO-247, offering flexibility in design.
Applications
The STB9NK90Z is primarily used in switching applications due to its high voltage and current handling capabilities. It is suitable for a wide range of applications, including:
- Power supplies and converters.
- Motor control and drives.
- Industrial automation.
- High-voltage DC-DC converters.
Q & A
- What is the maximum drain-source voltage of the STB9NK90Z?
The maximum drain-source voltage (VDS) is 900 V. - What are the continuous and pulsed drain current ratings?
The continuous drain current (ID) is 8 A at TC = 25 °C and 5 A at TC = 100 °C. The pulsed drain current (IDM) is 32 A. - What is the static drain-source on resistance (RDS(on)) of the STB9NK90Z?
The RDS(on) is between 1.1 Ω and 1.3 Ω. - What is the gate threshold voltage (VGS(th)) range?
The VGS(th) range is between 3 V and 4.5 V. - Does the STB9NK90Z have built-in ESD protection?
Yes, it has built-in back-to-back Zener diodes for enhanced ESD protection. - What are the typical turn-on and turn-off delay times?
The turn-on delay time (td(on)) is 22 ns, and the turn-off delay time (td(off)) is 55 ns. - In what packages is the STB9NK90Z available?
The STB9NK90Z is available in TO-220, D²PAK, and TO-247 packages. - What is the total dissipation at TC = 25 °C?
The total dissipation (PTOT) at TC = 25 °C is 160 W. - Is the STB9NK90Z 100% avalanche tested?
Yes, the STB9NK90Z is 100% avalanche tested. - What are some common applications for the STB9NK90Z?
Common applications include power supplies, motor control, industrial automation, and high-voltage DC-DC converters.
