CD3030B

Single Zener Diodes Overview

The CD3030B is a Zener diode voltage regulator manufactured by Microchip Technology. It features a nominal Zener voltage of 27V and a power dissipation rating of 1W. The device operates within a temperature range of -55°C to +175°C. Key electrical parameters include a maximum reverse leakage current of 50µA, a Zener impedance of 4.5 ohms, and a test current of 31mA. The component utilizes a die configuration with complete silicon dioxide junction protection.

Single Zener Diodes Feature Summary

• Provides stable voltage regulation using a 27V Zener breakdown characteristic
• Features complete silicon dioxide junction protection for enhanced reliability
• Supports high-temperature operation up to +175°C
• Compatible with standard wire bonding and die attach techniques

Single Zener Diodes Applications

• Voltage reference circuits in harsh environments
• Over-voltage protection for sensitive semiconductor devices
• Power supply regulation modules requiring high thermal stability

Single Zener Diodes Procurement Notes

Verify the specific datasheet revision and manufacturing lot details upon order confirmation. Ensure that the procurement documentation explicitly confirms the 1W power rating and 27V Zener voltage specifications. Confirm compatibility with intended assembly processes, noting that solder reflow is not supported for this die-level component. Cross-reference part numbers with official Microchip Technology catalogs to avoid substitution errors.

Single Zener Diodes Selection Notes

Select the CD3030B when a robust 27V voltage reference is required for high-temperature applications. Its 1W power handling capability makes it suitable for moderate current regulation tasks. The silicon dioxide protected junction offers superior durability compared to unprotected alternatives. Consider its die format for custom packaging solutions where standard surface-mount packages are unsuitable for the mechanical constraints of the final assembly.

Single Zener Diodes Part Context

This component belongs to Microchip Technology's discrete semiconductor portfolio, specifically categorized under Zener diodes. It serves as a fundamental voltage regulation element within larger electronic systems. The product line emphasizes ruggedness and long-term stability for industrial and aerospace-grade applications. As a die-level component, it integrates into custom hybrid circuits or specialized modules rather than serving as a standalone plug-and-play device.

Single Zener Diodes Replacement Considerations

Consult official Microchip Technology documentation for qualified substitute part numbers. Verify that any alternative component matches the 27V Zener voltage, 1W power dissipation, and -55°C to +175°C operating temperature range. Ensure junction protection technology and package compatibility align with existing design constraints.