2N7143

Single Bipolar Transistors Overview

The Microchip Technology 2N7143 is a single Zener diode designed for through-hole mounting in the DO-35-2 axial leaded package. It features a nominal Zener voltage of 10 V with a tolerance of 10%. The device operates within a power dissipation range of 400 mW and maintains a maximum reverse leakage current of 60 uA at its specified test current of 12 mA. The unit supports an extended operating temperature range from -65 C to +175 C, ensuring reliability in demanding environments.

Single Bipolar Transistors Feature Summary

• Provides stable voltage regulation via Zener breakdown characteristics in the DO-35-2 axial package.
• Capable of handling high thermal loads with a rated power dissipation of 400 mW.
• Engineered for extreme environmental resilience with an operational temperature span extending to +175 C.

Single Bipolar Transistors Applications

• Precision voltage reference circuits requiring stable DC levels.
• Overvoltage protection stages in sensitive electronic systems.
• Clamping applications in signal processing paths.

Single Bipolar Transistors Procurement Notes

Verify the specific suffix codes on the component marking against official Microchip documentation to confirm exact electrical tolerances and manufacturing lot details. Ensure that the procurement channel provides valid traceability records consistent with aerospace or industrial standards if required by the design specification.

Single Bipolar Transistors Selection Notes

Select this component when a robust 10 V regulation point is needed in a standard axial package. Consider the 10% voltage tolerance and 400 mW power rating during circuit design to ensure operation remains within safe thermal limits under all expected load conditions.

Single Bipolar Transistors Part Context

This part belongs to the established 1N/2N series of small-signal Zener diodes manufactured by Microchip Technology. These components are widely utilized in general-purpose electronics for basic voltage regulation tasks. The 2N7143 specifically offers higher power handling compared to lower-rated variants in the same family.

Single Bipolar Transistors Replacement Considerations

Consult official cross-reference lists for verified substitutes such as the JAN1N7143 variant. Ensure any replacement matches the DO-35-2 footprint and meets the 10 V / 400 mW specifications without altering the circuit's thermal profile.