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JANTXV2N3999 is listed in the Single Bipolar Transistors range at ChipApex. The manufacturer field lists Microchip Technology. Its product description is TRANS NPN 80V 10A TO-59. Review the specifications below when checking this part for your BOM.
The JANTXV2N3999 is a silicon NPN power bipolar junction transistor manufactured by Microchip Technology. It features an 80 V collector-emitter voltage rating and supports a maximum continuous collector current of 5 A. The device is designed for stud-mount installation within the TO-59 package configuration. It offers a power dissipation capacity of 2 W and operates across a temperature range from -65°C to +200°C junction temperature. This component is classified as a single NPN BJT suitable for high-reliability applications.
Verify the specific ordering suffix against the manufacturer's official datasheet to confirm exact electrical tolerances and testing standards. Ensure the procurement channel provides traceability documentation required for defense or aerospace contracts. Confirm that the received components match the specified TO-59 stud-mount package dimensions and terminal configurations before integration into the design.
Select this component when designing circuits requiring high current switching with strict thermal management constraints. The TO-59 stud-mount package necessitates direct mounting to a heatsink or chassis for adequate thermal performance. Consider the 80 V breakdown voltage limit when selecting biasing networks and ensure the drive circuitry can supply sufficient base current to maintain saturation at the 5 A load level.
This part belongs to the military-grade JANTXV series of bipolar transistors produced by Microchip Technology. It shares the fundamental electrical characteristics of the commercial 2N3999 but undergoes rigorous screening and testing protocols to meet stringent reliability standards. The JANTXV designation indicates enhanced quality assurance procedures compared to standard commercial variants, targeting environments where failure is not an option.
Direct substitutes include the commercial 2N3999 for non-critical applications. For equivalent military-grade specifications, verify compatibility with other JANTXV2N3999 lot variations. Cross-reference with Microchip's official replacement guide to ensure pinout and thermal resistance parameters align with existing board layouts.
Explore related parts through Bipolar (BJT), Transistors, Discrete Semiconductor Products, all product categories.

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Read MoreJANTXV2N3999 is listed in the Single Bipolar Transistors range at ChipApex. The manufacturer field lists Microchip Technology. Its product description is TRANS NPN 80V…
Read MoreJANTXV2N3999 is listed in the Single Bipolar Transistors range at ChipApex. The manufacturer field lists Microchip Technology. Its product description is TRANS NPN 80V…
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JANTXV2N3999 is listed in the Single Bipolar Transistors range at ChipApex. The manufacturer field lists Microchip Technology. Its product description is TRANS NPN 80V…
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JANTXV2N3999 is listed in the Single Bipolar Transistors range at ChipApex. The manufacturer field lists Microchip Technology. Its product description is TRANS NPN 80V…
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JANTXV2N3999 is listed in the Single Bipolar Transistors range at ChipApex. The manufacturer field lists Microchip Technology. Its product description is TRANS NPN 80V…
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Read More