Overview
The STW15NK90Z is a high-performance N-channel Zener Protected SuperMESH™ PowerMOSFET produced by STMicroelectronics. This device is part of the SuperMESH™ series, which is optimized from ST’s well-established strip-based PowerMESH™ layout. The STW15NK90Z is designed to offer extremely low on-resistance and high dv/dt capability, making it suitable for the most demanding applications. It complements ST’s full range of high voltage MOSFETs, including the revolutionary MDmesh™ products.
Key Specifications
| Fet Type | N-Ch |
|---|---|
| Drain-to-Source Voltage (Vdss) | 900 V |
| Drain-Source On Resistance-Max (RDS(on)) | 0.4 Ω (typ), 0.55 Ω (max) |
| Rated Power Dissipation (PTOT) | 350 W |
| Gate Charge (Qg) | 256 nC |
| Package Style | TO-247-3 |
| Drain Current (ID) | 15 A (continuous at TC = 25°C), 9.5 A (continuous at TC = 100°C) |
| Pulse Drain Current (IDM) | 60 A |
| Gate-Source Voltage (VGS) | ± 30 V |
| Thermal Resistance Junction-Case (Rthj-case) | 0.36 °C/W |
| Thermal Resistance Junction-Ambient (Rthj-a) | 50 °C/W |
| Operating Junction Temperature (TJ) | -55 to 150 °C |
Key Features
- Extremely high dv/dt capability
- 100% avalanche tested
- Gate charge minimized
- Very low intrinsic capacitances
- Very good manufacturing repeatability
- Built-in back-to-back Zener diodes for enhanced ESD capability and protection against voltage transients
Applications
The STW15NK90Z is suitable for various high-power switching applications, including but not limited to:
- Power supplies and converters
- Motor control and drives
- High-frequency switching circuits
- Aerospace and industrial control systems
Q & A
- What is the drain-to-source voltage rating of the STW15NK90Z?
The drain-to-source voltage (Vdss) rating is 900 V.
- What is the maximum drain-source on resistance of the STW15NK90Z?
The maximum drain-source on resistance (RDS(on)) is 0.55 Ω.
- What is the rated power dissipation of the STW15NK90Z?
The rated power dissipation (PTOT) is 350 W.
- What is the gate charge of the STW15NK90Z?
The total gate charge (Qg) is 256 nC.
- What package style is the STW15NK90Z available in?
The STW15NK90Z is available in the TO-247-3 package style.
- What are the continuous drain current ratings for the STW15NK90Z at different temperatures?
The continuous drain current (ID) is 15 A at TC = 25°C and 9.5 A at TC = 100°C.
- What is the pulse drain current rating for the STW15NK90Z?
The pulse drain current (IDM) is 60 A.
- What is the gate-source voltage rating for the STW15NK90Z?
The gate-source voltage (VGS) rating is ± 30 V.
- What are the thermal resistance values for the STW15NK90Z?
The thermal resistance junction-case (Rthj-case) is 0.36 °C/W, and the thermal resistance junction-ambient (Rthj-a) is 50 °C/W.
- What is the operating junction temperature range for the STW15NK90Z?
The operating junction temperature (TJ) range is -55 to 150 °C.
