1N2970A

Overview

The Microchip Technology 1N2970A is a high-power Zener diode designed for voltage regulation applications. It features a nominal Zener voltage of 6.8 V with a maximum power dissipation of 10 W. The device supports a maximum regulator current of 1320 mA and operates within an extended temperature range from 0 °C to 175 °C. Constructed with internal solder bond technology, it provides robust performance in demanding environments.

Feature Summary

• Hermetically sealed welded construction for environmental durability
• Internal solder bond design for mechanical stability
• Extended operational temperature capability up to 175 °C

Applications

• High-power voltage reference circuits
• Industrial voltage regulation systems
• Military and aerospace power supplies

Procurement Notes

Verify the specific manufacturer source, as the component is historically associated with Microsemi Corporation, which has undergone corporate restructuring. Confirm RoHS compliance status and exact package type (stud-mount) against the current official datasheet before procurement. Ensure the supplier provides valid traceability documentation for this legacy part number.

Selection Notes

Select this component when high thermal stability and significant power handling are required. The 10 W rating and 175 °C junction temperature limit make it suitable for harsh industrial or military environments where standard silicon devices may fail. Verify that the 6.8 V regulation point aligns with the circuit design requirements.

Part Context

This component belongs to the 1N2970 series of general-purpose voltage reference and regulator diodes. Originally manufactured by Microsemi Corporation, these parts are characterized by their rugged stud-mount construction. The series offers various voltage options while maintaining consistent high-power capabilities across the product line.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided data.