STP14NK50ZFP MOSFET N-Channel 500V 14A TO-220FP Power Transistor

STP14NK50ZFP: High-Performance Power MOSFET for Demanding Applications

The STP14NK50ZFP from STMicroelectronics is a cutting-edge N-Channel Power MOSFET designed to deliver exceptional performance in high-voltage and high-current applications. Engineered with ST's advanced SuperMESH™ technology, this device combines robust electrical characteristics with reliable thermal management, making it an ideal choice for industrial, automotive, and power electronics systems requiring efficiency and durability.

Key Features and Technical Excellence

Operating at an impressive 500V drain-to-source voltage rating, the STP14NK50ZFP supports continuous drain currents up to 14A at 25°C. Its optimized R_DS(on) of just 380mΩ at 6A and 10V gate-source voltage ensures minimal conduction losses, enhancing system energy efficiency. The device's advanced gate charge management (92nC at 10V) enables fast switching performance while maintaining control over power dissipation.

Engineered for real-world operating conditions, this MOSFET offers exceptional thermal stability with a maximum operating temperature range of -55°C to 150°C (T_J). The TO-220FP package provides excellent heat dissipation characteristics, allowing the device to maintain performance even under heavy load conditions. With a power dissipation rating of 35W (T_c), it's well-suited for applications requiring sustained high-power operation.

Advanced Design and Reliability

The STP14NK50ZFP incorporates STMicroelectronics' proprietary SuperMESH™ technology, which optimizes the device's on-resistance while maintaining superior switching characteristics. This innovative approach results in enhanced device efficiency and reduced thermal stress during operation. The ±30V gate-source voltage rating provides additional protection against voltage spikes, ensuring long-term reliability in demanding environments.

With its 2000pF input capacitance (at 25V V_DS) and 4.5V gate threshold voltage, this MOSFET offers excellent compatibility with standard gate drivers while maintaining precise control over switching behavior. The through-hole mounting configuration ensures reliable mechanical stability in various PCB layouts, while the TO-220-3 Full Pack case provides industry-standard thermal and electrical performance.

Wide Range of Applications

This versatile power transistor excels in numerous applications including motor drives, power supplies, battery management systems, and industrial automation equipment. Its combination of high voltage capability, efficient thermal management, and robust electrical characteristics makes it particularly suitable for:

• Switching power supplies (SMPS)
• Motors and actuator control
• Photovoltaic inverters
• Uninterruptible power supplies (UPS)
• Industrial motor drives

The device's automotive temperature rating (-55°C to 150°C) also makes it suitable for vehicle electronics systems requiring high reliability under extreme operating conditions.

Performance and Efficiency

By combining low on-state resistance with optimized switching characteristics, the STP14NK50ZFP enables engineers to design power systems that achieve both high efficiency and compact form factors. The reduced conduction losses (thanks to the 380mΩ R_DS(on)) translate directly to lower operating temperatures and improved system reliability. This performance advantage becomes particularly significant in parallel configurations where multiple devices are used to achieve higher current capabilities.

The device's packaging in tubes ensures proper handling and protection during storage and transportation, maintaining its electrical integrity until final assembly. As an active product in STMicroelectronics' portfolio, the STP14NK50ZFP benefits from ongoing technical support and production reliability.

Tags: Power Transistors, High Voltage MOSFETs, Electronic Components, Industrial Semiconductors, Automotive Electronics