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2N5143 is listed in the Single Bipolar Transistors range at ChipApex. The manufacturer field lists Central Semiconductor Corp. Its product description is TRANS PNP 20V TO-105. Review the specifications below when checking this part for your BOM.
The Central Semiconductor Corp 2N5143 is a PNP bipolar junction transistor (BJT) designed for general-purpose switching and amplification applications. It features a collector-emitter voltage rating of 20V, an emitter-base voltage of 4V, and a maximum DC collector current of 300mA. The device utilizes silicon technology and is housed in a TO-92-3 through-hole package. Key electrical characteristics include a collector-base voltage of 20V, a saturation voltage of 2V, and a minimum DC current gain (hFE) of 30 at 1V and 50mA.
Verify the specific manufacturer datasheet to confirm exact electrical tolerances and thermal resistance values before integration. Ensure the procurement source provides official documentation matching the PN5143 or 2N5143 designation to guarantee component authenticity and performance consistency.
Select this component for low-voltage PNP switching tasks requiring a standard TO-92 form factor. Consider the 300mA current limit and 20V voltage ratings when designing load interfaces. Verify that the required current gain meets the specific application's drive requirements.
This part belongs to the family of small-signal silicon NPN and PNP transistors manufactured by Central Semiconductor. These components are typically utilized in consumer electronics and industrial control systems where reliable discrete switching is required within standard voltage ranges.
Consult official substitution guides for verified equivalents. Generic replacements may differ in hFE ranges or thermal characteristics.
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