The STD3NK50Z is a high-performance N-channel Zener-protected Power MOSFET designed and manufactured by STMicroelectronics, a leader in semiconductor solutions. This MOSFET is part of ST's MDmesh™ K5 series, which utilizes innovative technology to achieve outstanding energy efficiency.

Key Features

• High Voltage Capability: The STD3NK50Z can handle up to 500V, making it suitable for high-voltage applications.
• Low On-Resistance: With an RDS(on) value as low as 1.15 Ohm, this MOSFET provides excellent conductivity and efficiency.
• Zener-Protected: The built-in Zener diode protects the gate from electrostatic discharges, enhancing the device's reliability and longevity.
• Low Gate Charge: The reduced gate charge allows for faster switching, which is beneficial in high-speed switching applications.
• 100% Avalanche Tested: Each unit is rigorously tested for avalanche ruggedness, ensuring its performance under extreme conditions.

Applications

The versatility of the STD3NK50Z MOSFET makes it ideal for a wide range of applications. Some of the typical applications include:

• Switch Mode Power Supplies (SMPS)
• LED Lighting
• High-Efficiency DC-DC Converters
• Motor Control Circuits
• Power Management Functions

Technical Specifications

Parameter Value Drain-source Voltage (V<sub>DS) 500V Continuous Drain Current (I<sub>D) 2.5A Power Dissipation (P<sub>D) 35W Operating Temperature Range -55°C to +150°C

With its robust design and impressive electrical characteristics, the STD3NK50Z is an excellent choice for designers looking to improve system efficiency and reliability in high-voltage power applications.