Overview
The STW12NK90Z is a high-performance N-channel Power MOSFET produced by STMicroelectronics. This device is part of the SuperMESH™ series, which is optimized using ST's well-established strip-based PowerMESH™ layout. The STW12NK90Z is designed to offer extremely low on-resistance, high dv/dt capability, and excellent manufacturing repeatability, making it suitable for the most demanding applications. It features integrated Zener diodes to enhance ESD protection and absorb voltage transients, eliminating the need for external components.
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 | 11 | A |
| Continuous Drain Current (ID) at TC = 100°C | 7 | A |
| Pulsed Drain Current (IDM) | 44 | A |
| Total Dissipation at TC = 25°C (Ptot) | 230 | W |
| Derating Factor | 1.85 | W/°C |
| Gate-Source ESD (VESD) | 6000 | V |
| Static Drain-Source On-Resistance (RDS(on)) | 0.72 - 0.88 | Ω |
| Thermal Resistance Junction-Case (Rthj-case) | 0.54 | °C/W |
| Thermal Resistance Junction-Ambient (Rthj-amb) | 50 | °C/W |
| Maximum Junction Temperature (Tj) | 150 | °C |
| Maximum Lead Temperature for Soldering | 300 | °C |
| Total Gate Charge (Qg) | 113 | nC |
| Package | TO-247 |
Key Features
- Extremely high dv/dt capability, making it suitable for demanding applications.
- 100% avalanche tested for reliability.
- Minimized gate charge for efficient switching.
- Very low intrinsic capacitance.
- Very good manufacturing repeatability.
- Integrated Zener diodes for enhanced ESD protection and to absorb voltage transients.
Applications
The STW12NK90Z is primarily used in switching applications, including but not limited to:
- Flyback converters.
- LED lighting systems.
- Other high-voltage switching circuits where high reliability and low on-resistance are critical.
Q & A
- What is the maximum drain-source voltage of the STW12NK90Z?
The maximum drain-source voltage (VDS) is 900 V.
- What is the continuous drain current at 25°C and 100°C?
The continuous drain current is 11 A at 25°C and 7 A at 100°C.
- What is the total dissipation at 25°C?
The total dissipation (Ptot) at 25°C is 230 W.
- What is the derating factor for temperature?
The derating factor is 1.85 W/°C.
- What is the maximum gate-source voltage?
The maximum gate-source voltage (VGS) is ±30 V.
- What is the static drain-source on-resistance?
The static drain-source on-resistance (RDS(on)) is between 0.72 Ω and 0.88 Ω.
- What is the thermal resistance junction-case?
The thermal resistance junction-case (Rthj-case) is 0.54 °C/W.
- What is the maximum junction temperature?
The maximum junction temperature (Tj) is 150 °C.
- What is the package type of the STW12NK90Z?
The package type is TO-247.
- What are the key features of the STW12NK90Z?
The key features include high dv/dt capability, 100% avalanche testing, minimized gate charge, low intrinsic capacitance, good manufacturing repeatability, and integrated Zener diodes for ESD protection.
