STMicroelectronics

STP15NK50ZFP

STP15NK50ZFP Description

The STP15NK50ZFP from STMicroelectronics is an N-channel 500V SuperMESH™ MOSFET designed for high-voltage switching applications. With a continuous drain current (Id) of 14A (Tc) and low on-resistance (Rds(on)) of 340mΩ @ 7A, 10V, it offers efficient power handling in a TO-220FP package. The device features a gate charge (Qg) of 106nC @ 10V and an input capacitance (Ciss) of 2260pF @ 25V, ensuring fast switching performance. Although marked as obsolete, it remains a reliable choice for legacy designs requiring high-voltage, low-loss switching.

STP15NK50ZFP Features

• High Voltage Rating: 500V Vdss for robust performance in demanding circuits.
• Low Rds(on): 340mΩ @ 10V Vgs minimizes conduction losses.
• SuperMESH™ Technology: Enhances efficiency and switching speed.
• Wide Gate-Source Voltage Range: ±30V Vgs(max) for flexible drive compatibility.
• Thermal Performance: 40W (Tc) power dissipation ensures reliability under load.
• RoHS3 & REACH Compliant: Meets environmental standards.
• Through-Hole Mounting: Easy integration in power electronics.

STP15NK50ZFP Applications

• Switched-Mode Power Supplies (SMPS): High-voltage DC-DC conversion.
• Motor Drives & Inverters: Efficient control in industrial systems.
• Lighting Ballasts: Reliable switching for HID/LED drivers.
• Electronic Loads & UPS Systems: High-efficiency power management.
• Legacy Power Designs: Suitable for maintenance or replacements in older equipment.

Conclusion of STP15NK50ZFP

The STP15NK50ZFP is a high-voltage MOSFET optimized for low-loss switching in power electronics. Its SuperMESH™ technology and low Rds(on) make it ideal for SMPS, motor drives, and industrial applications. While obsolete, its 500V rating, thermal performance, and compliance ensure continued suitability for legacy or cost-sensitive designs requiring dependable high-voltage switching.