STL11N65M2 N-Channel MOSFET 650V PowerFLAT 5x5 High-Efficiency Power Transistor
- Brand: STMicroelectronics
- Product Code: STL11N65M2
- Availability: In Stock
$5.00
- Ex Tax: $5.00
High-Performance Power Transistor for Demanding Applications
STMicroelectronics' STL11N65M2 N-Channel MOSFET represents a significant advancement in power transistor technology, combining robust electrical characteristics with a compact PowerFLAT 5x5 package design. This 650V power transistor delivers exceptional efficiency and reliability for industrial and consumer electronics applications requiring high-voltage switching capabilities.
Advanced MOSFET Architecture
Engineered with ST's proprietary Power MOSFET technology, the STL11N65M2 features optimized parameters that make it ideal for modern power conversion systems. The device maintains a maximum Rds(on) of just 670mΩ at 3.5A and 10V gate drive, enabling minimal conduction losses in power circuits. Its 650V drain-source voltage rating provides ample headroom for high-voltage applications while maintaining excellent switching performance.
The transistor's gate charge characteristics (12.4nC maximum at 10V) contribute to reduced switching losses, making it particularly suitable for high-frequency operation in DC-DC converters, motor control circuits, and power supply units. The ±25V gate voltage tolerance adds an extra layer of protection against voltage spikes and transient conditions.
| Parameter | Value |
|---|---|
| Continuous Drain Current | 7A (Tc) |
| Max Rds(on) | 670mΩ @ 3.5A, 10V |
| Gate Charge | 12.4nC @ 10V |
| Operating Temperature | -55°C to 150°C |
Industrial-Grade Reliability
Designed for demanding environments, this surface-mount transistor features a ruggedized construction that maintains performance across extreme temperature ranges. Its 85W power dissipation rating (at case temperature) enables operation in high-power density designs without compromising longevity. The device's thermal stability and low thermal resistance make it well-suited for automotive electronics, industrial automation equipment, and renewable energy systems.
The PowerFLAT 5x5 package combines space-saving benefits with excellent thermal management properties, allowing engineers to create compact yet powerful designs. This makes the STL11N65M2 an ideal choice for applications such as:
- Switching power supplies (SMPS)
- Motor drives and actuator control
- Uninterruptible power supplies (UPS)
- Industrial lighting systems
- Energy-efficient appliance control
Optimized for Modern Electronics
While classified as an obsolete product, the STL11N65M2 remains a reliable solution for legacy systems and cost-effective designs requiring proven power transistor performance. Its electrical characteristics align well with various power conversion topologies, including flyback converters, forward converters, and half-bridge circuits. The device's 410pF input capacitance (at 100V Vds) ensures compatibility with standard gate drive circuits while minimizing parasitic oscillations.
Engineers will appreciate the transistor's 4V gate threshold voltage (at 250μA), which simplifies gate drive circuit design while maintaining robust short-circuit protection. The component's tape-and-reel packaging format facilitates automated assembly processes, supporting high-volume manufacturing requirements.
Design Flexibility and System Integration
The STL11N65M2's combination of electrical performance and compact packaging enables innovative design solutions across multiple industries. Its thermal performance allows operation in environments with limited cooling options, while the surface-mount configuration supports modern PCB layout techniques. Designers can leverage this transistor to achieve optimal balance between power handling capability and physical footprint in their applications.
When implementing this component in new designs, engineers should consider the following best practices:
- Proper heatsinking for high-current applications
- Gate drive circuit optimization for switching performance
- Transient voltage suppression for inductive loads
- PCB layout techniques to minimize parasitic inductance
While newer alternatives exist in STMicroelectronics' portfolio, the STL11N65M2 remains a trusted solution for applications where proven reliability and cost-effectiveness are critical requirements.
Tags: Power Electronics, MOSFET Transistor, High Voltage Transistor, Surface Mount Device, Industrial Semiconductors