STMicroelectronics STD16NF25 MOSFET | 250V 14A N-Channel Power Transistor

High-Performance STripFET™ II Technology for Demanding Applications

STMicroelectronics continues to push the boundaries of power semiconductor innovation with the STD16NF25 MOSFET, a next-generation N-channel transistor engineered for high-voltage industrial applications. This DPAK-packaged device combines advanced STripFET™ II technology with robust thermal management capabilities, delivering exceptional performance in motor drives, power supplies, and industrial automation systems.

Technical Excellence in a Compact Form Factor

Designed for engineers seeking reliability in challenging environments, this 250V transistor maintains stable operation across extreme temperatures (-55°C to 150°C). Its advanced MOSFET architecture achieves an impressive 235mΩ on-resistance at 6.5A current, ensuring minimal power loss while handling demanding loads. The device's ±20V gate voltage tolerance provides design flexibility while maintaining optimal switching performance.

Key electrical characteristics include:

Industrial-Grade Reliability

Manufactured under STMicroelectronics' stringent quality standards, the STD16NF25 demonstrates exceptional durability in harsh operating conditions. Its surface-mount DPAK package combines mechanical robustness with efficient heat dissipation through the device's tabbed thermal pad. This design feature enables reliable performance in high-vibration industrial environments while maintaining electrical stability.

Engineers will appreciate the device's inherent protection features, including:

• 4V gate threshold voltage ensuring noise immunity
• 100W power dissipation rating at case temperature
• Integrated ESD protection structures

Optimized for Modern Power Systems

The transistor's optimized switching characteristics make it ideal for modern power conversion systems requiring high-frequency operation. Its 250V rating provides ample safety margin in 240V AC systems while maintaining low conduction losses through the 14A current capacity. The device's thermal performance is particularly valuable in compact power supplies where heat management is critical.

Common applications include:

• Industrial motor control systems
• High-voltage DC-DC converters
• Uninterruptible power supplies (UPS)
• Welding equipment power stages
• Industrial lighting ballasts

Design Flexibility and System Integration

Designers benefit from the device's compatibility with standard gate drivers while achieving improved system efficiency through its low RDS(on) characteristic. The 10V drive voltage optimization ensures compatibility with modern PWM controllers while maintaining minimal switching losses. For parallel operation scenarios, the device's positive temperature coefficient supports balanced current sharing between multiple transistors.

When developing with this transistor, engineers should consider:

• Implementing proper gate drive circuitry for optimal switching
• Designing for adequate thermal dissipation through PCB layout
• Selecting appropriate snubber circuits for inductive loads

STMicroelectronics' comprehensive documentation and technical support ensure smooth integration into new designs. The device's availability in tape-and-reel packaging supports automated assembly processes while maintaining component traceability.

Tags: Power Electronics, Industrial Semiconductors, Surface Mount Devices, Electrical Components, Industrial Automation