The ST1802FX is a robust NPN power transistor designed by STMicroelectronics, a global leader in semiconductor solutions. This high-voltage, fast-switching transistor is engineered to deliver superior performance in a wide array of electronic applications, particularly those requiring efficient power management and fast switching capabilities.

Key Features

• Voltage Capabilities: The ST1802FX boasts a collector-emitter voltage (V<sub>CEO) of 800V, providing a wide safety margin for applications operating at high voltages, making it an ideal choice for electronic ballasts, switch-mode power supplies, and lighting applications.
• Current Handling: With a continuous collector current (I<sub>C) rating of up to 3A, this transistor can handle significant power loads, contributing to its versatility in various high-power circuits.
• Speed: Fast-switching capabilities are one of the defining features of the ST1802FX, allowing for efficient operation at high frequencies, which is crucial for modern power conversion and control applications.
• Power Dissipation: The device is capable of dissipating up to 50W of power, indicating its ability to manage thermal conditions effectively during operation.

Application Areas

The ST1802FX transistor finds its applications in several high-voltage scenarios, including:

• Electronic ballasts for fluorescent lighting
• Switch-mode power supplies (SMPS)
• Power inverters and converters
• Motor control systems

Package and Quality

Encased in a robust TO-220FP package, the ST1802FX ensures a reliable thermal path for heat dissipation, which is critical for maintaining performance and longevity. STMicroelectronics adheres to strict quality standards, ensuring that each transistor meets the high reliability and performance criteria expected in professional electronic environments.

Environmental Compliance

STMicroelectronics is committed to environmental sustainability. The ST1802FX is designed to meet current RoHS directives, ensuring that it is free from hazardous substances and suitable for use in environmentally sensitive applications.