1N2980B

Overview

The Microchip Technology 1N2980B is a silicon 10-watt Zener diode designed for voltage regulation applications. It features a nominal Zener voltage of 16 V with a tolerance of ±5%. The device operates within a temperature range of -65 °C to +200 °C and utilizes a DO-203AA (DO-4) stud mount package. Key electrical characteristics include a maximum Zener impedance of 250 Ohms at 10 uA test current, a reverse leakage current of 10 uA, and a forward voltage of 1.5 V.

Feature Summary

• High power dissipation capability of 10 watts for robust voltage regulation
• Extended operating temperature range suitable for demanding environments
• Stud mount construction for efficient thermal management

Applications

• Voltage reference circuits in industrial equipment
• Overvoltage protection in high-power systems
• Power supply regulation modules

Procurement Notes

Verify the specific suffix designation against official Microchip documentation to confirm exact electrical tolerances and hermetic sealing requirements. Ensure the procurement channel provides valid manufacturer traceability. Confirm that the component meets all necessary environmental and reliability standards for the intended application before finalizing orders.

Selection Notes

Select this component when a 16 V regulation point is required with significant power handling capacity. The stud mount package facilitates direct mounting to heat sinks or chassis for effective thermal dissipation. Consider the wide temperature range and low leakage current specifications for stability in harsh operational conditions compared to standard surface-mount alternatives.

Part Context

This part belongs to the family of silicon 10-watt Zener diodes manufactured by Microchip Technology. These components are engineered for high-reliability applications requiring stable voltage references under varying thermal loads. The DO-203AA package is a standard industry form factor for through-hole stud-mounted power diodes.

Replacement Considerations

Consult official substitution guides for compatible equivalents. Verify that any alternative maintains identical voltage, power rating, and package dimensions to ensure mechanical and electrical compatibility without redesign.