STMicroelectronics

STF14NM65N

STF14NM65N Description

The STF14NM65N from STMicroelectronics is an N-channel 650V, 12A power MOSFET designed for high-efficiency switching applications. Part of the MDmesh™ II series, it leverages advanced MOSFET (Metal Oxide) technology to deliver low conduction losses and superior switching performance. With a drain-to-source voltage (Vdss) of 650V and a continuous drain current (Id) of 12A (at 25°C case temperature), this device is optimized for robust power management in demanding environments. Its through-hole TO220FP package ensures reliable thermal dissipation, supporting a maximum power dissipation of 30W (Tc) and an operating junction temperature (TJ) of up to 150°C.

STF14NM65N Features

• Low On-Resistance: Rds(on) as low as 380mΩ @ 6A, 10V, minimizing conduction losses.
• High Voltage Tolerance: 650V Vdss rating for high-power applications.
• Fast Switching: Gate charge (Qg) of 45nC @ 10V and input capacitance (Ciss) of 1300pF @ 50V ensure efficient switching performance.
• Robust Gate Drive: Vgs(max) of ±25V and threshold voltage (Vgs(th)) of 4V @ 250µA for reliable control.
• Thermal Efficiency: TO220FP package with 30W (Tc) power dissipation capability.
• Compliance: ROHS3 Compliant, REACH Unaffected, and EAR99/ECCN classified for global use.

STF14NM65N Applications

The STF14NM65N is ideal for:

• Switch-Mode Power Supplies (SMPS): High-voltage DC-DC converters, PFC stages.
• Industrial Motor Drives: Inverters, motor control systems requiring high efficiency.
• Lighting Solutions: LED drivers, ballast control.
• Renewable Energy Systems: Solar inverters, wind power converters.
• Automotive & Telecom: Auxiliary power systems, high-voltage switching circuits.

Conclusion of STF14NM65N

The STF14NM65N stands out for its high-voltage capability, low Rds(on), and efficient thermal performance, making it a strong choice for power electronics designers. While marked as Obsolete, its MDmesh™ II technology ensures it remains competitive in applications demanding reliability and efficiency. Engineers seeking a balance of performance, thermal management, and cost-effectiveness in industrial, automotive, and energy systems will find this MOSFET a compelling option.