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FJAF6920TU is listed in the Single Bipolar Transistors range at ChipApex. The manufacturer field lists onsemi. Its product description is TRANS NPN 800V 20A TO-3PF. Review the specifications below when checking this part for your BOM.
The FJAF6920TU is an NPN triple diffused planar silicon transistor designed for high-voltage applications. It features a collector-base breakdown voltage of 1700 V and a collector-emitter voltage rating of 800 V. The device supports a continuous DC collector current of 20 A and a pulsed current of 30 A, with a maximum power dissipation of 60 W at 25°C case temperature. It operates up to a junction temperature of 150 °C and utilizes a TO-3PF flange mount package.
Verify the manufacturer origin, as the component was originally produced by Fairchild Semiconductor. Confirm that the specific ordering suffix corresponds to the intended packaging configuration. Ensure the datasheet revision matches the required specifications for the design. Check for RoHS compliance status if environmental regulations apply to the final assembly.
Select this component for circuits requiring high voltage isolation and robust current handling capabilities. The low saturation voltage minimizes power loss during conduction phases. Consider the thermal resistance characteristics when designing heat sinking solutions for sustained operation. Verify that the base drive requirements align with the specified DC current gain parameters.
This transistor belongs to the family of high-voltage NPN power transistors used in analog and switching applications. It shares structural similarities with other planar silicon devices but is distinguished by its specific voltage ratings and packaging. The TO-3PF form factor allows for direct mounting to heatsinks, facilitating thermal management in compact designs.
Consult official cross-reference lists for verified substitutes. Ensure any replacement maintains equivalent voltage, current, and thermal ratings.
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