1N2823B

Overview

The 1N2823B is a single Zener diode manufactured by Microchip Technology, designed for voltage regulation applications. It features a nominal Zener voltage of 30 V with a tolerance of ±5%. The device is rated for a maximum power dissipation of 50 W and supports a forward current of up to 420 mA. It exhibits an impedance of 3 Ohms and a leakage current of 10 µA at the specified test conditions. The component utilizes a TO-204AD (TO-3) through-hole package, providing robust thermal performance suitable for high-power environments.

Feature Summary

• Provides stable voltage regulation with a 30 V nominal breakdown voltage
• Capable of handling high power dissipation up to 50 W
• Utilizes a durable TO-204AD through-hole package for secure mounting

Applications

• High-power voltage regulation circuits
• Overvoltage protection systems
• Reference voltage sources in industrial equipment

Procurement Notes

Verify the manufacturer designation as Microchip Technology or its predecessor Microsemi Corporation when sourcing this component. Confirm the package type is TO-204AD (TO-3) and ensure the electrical specifications match the required 30 V Zener voltage and 50 W power rating. Check datasheets for specific test conditions regarding impedance and leakage current to ensure compatibility with your circuit design requirements.

Selection Notes

Select this component when a high-power Zener diode is required for precise voltage clamping or regulation. The 50 W rating allows for significant energy absorption, making it suitable for applications where standard low-power diodes would fail. Ensure the operating environment supports the thermal characteristics of the TO-204AD package and that the 30 V breakdown voltage aligns with the system's voltage constraints.

Part Context

The 1N2823B belongs to the family of 50 Watt Zener Diodes produced by Microchip Technology. This series is characterized by high power handling capabilities and robust construction. The part number follows the standard JEDEC naming convention for Zener diodes, indicating its specific voltage and power class within the manufacturer's portfolio of discrete semiconductor devices.

Replacement Considerations

Publicly confirmed substitute part numbers include JANTX1N2823B from Microsemi Corporation (now Microchip). Verify pinout compatibility and exact electrical tolerances before substitution.