1N2830B

Overview

The Microchip Technology 1N2830B is a single silicon Zener diode designed for voltage regulation applications. It features a nominal breakdown voltage of 50V with a tolerance of ±5%. The component has a power rating of 50W and operates within a temperature range of -20°C to 70°C. It utilizes a TO-204AD (TO-3) through-hole package with two pins. The device exhibits a test current of 10 µA at 38 V.

Feature Summary

• Provides stable voltage regulation with a 50W power dissipation capacity
• Utilizes a hermetically sealed metal TO-3 package for durability
• Features a 50V nominal breakdown voltage with ±5% tolerance

Applications

• Military and defense systems
• Aerospace equipment
• High-reliability discrete voltage regulation circuits

Procurement Notes

Verify the specific suffix code on the datasheet, as it determines compliance status such as RoHS or lead-free requirements. Confirm that the procurement matches the exact military or commercial grade specified in the official documentation. Ensure the TO-3 package dimensions align with the target assembly constraints before ordering.

Selection Notes

Select this component when a high-power 50W Zener diode is required for robust voltage clamping. The TO-3 package offers superior thermal performance compared to smaller surface-mount alternatives. Consider the ±5% tolerance and operating temperature range to ensure compatibility with the system's environmental and precision requirements.

Part Context

This part belongs to the Microchip Technology single Zener diode family, specifically engineered for high-reliability environments. It is often associated with military and aerospace specifications due to its rugged construction. The 1N2830B serves as a discrete solution for protecting sensitive circuits from overvoltage conditions in demanding applications.

Replacement Considerations

Consult official substitution lists for equivalent parts with matching 50V, 50W, and TO-3 specifications. Verify pinout compatibility and thermal characteristics before replacing the original component with an alternative manufacturer's device.