The TK4A50D(STA4 is a 500V, 4A N-channel power MOSFET manufactured by Toshiba Semiconductor and Storage. It is designed for high-efficiency power switching applications.

Applications

• Power supplies (SMPS)
• Motor control
• DC-DC converters
• Inverters
• Lighting ballasts

Features

• VDSS: 500V
• ID: 4A
• RDS(on) (Max): 1.75 Ω @ VGS = 10V
• Low gate charge
• Avalanche ruggedness
• RoHS compliant
• TO-220SIS package

Benefits

• High efficiency due to low RDS(on)
• Reduced switching losses due to low gate charge
• Improved reliability due to avalanche ruggedness
• Simplified thermal management with TO-220SIS package

Additional Details

The TK4A50D(STA4 uses Toshiba's DTMOSIV process technology for improved performance. The gate threshold voltage (VGS(th)) is typically around 3V. The maximum junction temperature is 150°C. The device is suitable for applications requiring high voltage and moderate current switching. The TO-220SIS package provides good thermal performance, allowing for efficient heat dissipation. The datasheet contains detailed information on the MOSFET's electrical characteristics, thermal performance, and package dimensions. Proper gate drive circuitry is essential for optimal performance. Snubbers may be required in some applications to protect against voltage spikes.

The Toshiba TK4A50D(STA4 N-channel power MOSFET is a reliable and efficient solution for a variety of power switching applications. Its high voltage and moderate current capabilities make it suitable for use in power supplies, motor control, and other applications where efficient power conversion is critical. The MOSFET's low on-resistance and gate charge minimize power losses, resulting in improved system efficiency. The device's robust design and avalanche ruggedness ensure reliable operation in demanding environments. The TK4A50D(STA4 is a popular choice for designers seeking a high-performance power MOSFET in a through-hole package.