STW7NK90Z High-Voltage N-Channel MOSFET from STMicroelectronics - 900V, 5.8A, TO-247-3 Package
- Brand: STMicroelectronics
- Product Code: STW7NK90Z
- Availability: In Stock
$1.30
- Ex Tax: $1.30
STW7NK90Z SuperMESH™ MOSFET: Power Electronics Redefined
STMicroelectronics' STW7NK90Z N-channel MOSFET represents the cutting edge of power semiconductor technology, combining exceptional voltage handling capabilities with efficient thermal management. As part of the renowned SuperMESH™ series, this 900V transistor delivers reliable performance in demanding industrial and high-voltage applications where precision and durability matter most.
Technical Excellence in Power Discrete Design
Engineered with ST's advanced PowerMESH™ technology, the STW7NK90Z achieves an optimal balance between conduction and switching losses. This TO-247-3 packaged device maintains a maximum RDS(on) of just 2Ω at 10V gate drive, enabling minimal power dissipation even under heavy load conditions. The device's 1350 pF input capacitance (Ciss) and 60.5 nC gate charge rating ensure fast switching transitions while maintaining gate control stability.
| Parameter | Value |
|---|---|
| Max Drain-Source Voltage | 900 V |
| Continuous Drain Current | 5.8 A |
| RDS(on) Max | 2Ω @ 2.9A, 10V |
| Gate Charge (Qg) | 60.5 nC @ 10V |
| Operating Temperature | -55°C to 150°C |
Thermal Performance & Reliability
The device's through-hole TO-247-3 packaging facilitates excellent thermal dissipation, rated at 140W maximum power dissipation under standard test conditions. With a guaranteed ±30V gate-source voltage tolerance and 4.5V max threshold voltage, the STW7NK90Z maintains stable operation across diverse environmental conditions. Its 100µA leakage current specification at threshold voltage ensures precise switching control even in low-power modes.
Industrial Application Versatility
Engineered for modern power conversion systems, this MOSFET excels in applications including:
Industrial motor drives requiring precise voltage control
High-frequency power supplies demanding fast switching performance
Renewable energy systems needing reliable high-voltage handling
Uninterruptible power supply (UPS) designs requiring robust thermal management
The device's Active status in ST's product catalog ensures long-term supply stability for production environments. Its tube packaging format suits both manual and automated assembly processes, while the RoHS-compliant construction meets modern environmental standards.
Design Advantages
Compared to conventional high-voltage transistors, the STW7NK90Z offers several key advantages:
• Enhanced switching efficiency through optimized gate charge characteristics
• Improved thermal stability with through-hole mounting configuration
• Reduced conduction losses via low RDS(on) specification
• Wide gate voltage tolerance for improved circuit design flexibility
When integrated into power conversion circuits, this MOSFET enables designers to achieve higher energy efficiency ratings while maintaining component reliability under continuous operation.
Tags: Power Electronics, High Voltage Transistor, Industrial Components, Semiconductor Devices, Electrical Engineering