Nexperia High Voltage NPN Transistor 500 mA 350 V 3-Pin SOT-89 BST39TA

The Nexperia BST39TA is a high voltage NPN bipolar transistor designed for use in electronic circuits requiring efficient switching and amplification with compact surface mount packaging. It features a 3-pin SOT-89 package suitable for automated PCB assembly, optimizing space without compromising performance.

This transistor can handle a maximum DC collector current of 500 mA and withstand collector-emitter voltages up to 350 V, making it ideal for high voltage applications in industrial, commercial, and power supply designs. It delivers a minimum DC current gain of 40 (hFE), enabling reliable amplification.

The device operates comfortably within a temperature range from -65°C to 150°C, suitable for harsh environments encountered in industrial electronics, HVAC control systems, and manufacturing equipment. The maximum power dissipation rating of 1 W ensures the transistor maintains stable operations under load without excessive heat generation.

With a maximum transition frequency of 70 MHz, the BST39TA transistor supports moderate-speed switching applications across various electronic components.

This transistor is a single transistor configuration, emphasizing simplicity for integration into discrete semiconductor circuits. The package and mount type is surface mount, facilitating modern manufacturing techniques.

Designed for high voltage and power dissipation in compact SOT-89 packages. Maximum DC collector current of 500 mA for efficient circuit performance. NPN polarity suitable for a wide range of electronic circuits. Surface mount package optimizes PCB space and assembly.

Collector-emitter voltage rating of 350 V ensures safety margins in power circuits. Minimum DC current gain of 40 for effective amplification. Wide operating temperature range enabling use in industrial conditions. Power dissipation rating of 1 W to manage thermal characteristics.

Transition frequency of 70 MHz for switching applications.

Ideal for industrial, laboratory, manufacturing, and electronic power supply applications requiring a high voltage NPN transistor in a compact SOT-89 package. The BST39TA by Nexperia combines robustness and versatility for modern electronics.

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