PD3Z284C27-7

Single Zener Diodes Overview

The PD3Z284C27-7 is a single Zener diode manufactured by Diodes Incorporated, designed for surface mount applications in the PowerDI 323 package. It features a nominal Zener voltage of 27 V with a tolerance range of 25.1 V to 28.9 V at a test current of 2 mA. The device supports a maximum power dissipation of 500 mW and operates within a temperature range of -65°C to +150°C. Key electrical parameters include a maximum Zener impedance of 40 Ohms at 2 mA, a maximum reverse leakage current of 0.1 µA at 18.9 V, and a temperature coefficient ranging from 21.4 to 25.3 mV/°C.

Single Zener Diodes Feature Summary

• Utilizes planar die construction for high reliability and consistent performance.
• Encased in an ultra-small PowerDI 323 surface mount package optimized for space-constrained designs.
• Qualified to AEC-Q101 standards to ensure suitability for automotive and high-reliability environments.

Single Zener Diodes Applications

• Voltage regulation in compact electronic circuits
• Reference voltage generation in precision measurement systems
• Over-voltage protection in automotive electronics

Single Zener Diodes Procurement Notes

Verify component authenticity through authorized distribution channels. Confirm that the specific ordering suffix matches the required voltage tolerance and packaging configuration. Ensure compliance with RoHS directives and check for any design change notices affecting the manufacturing process or material composition prior to procurement.

Single Zener Diodes Selection Notes

Select this component when a precise 27 V reference is required in a minimal footprint. Consider the 500 mW power dissipation limit and thermal resistance characteristics for heat management. Evaluate the low leakage current and impedance specifications against circuit sensitivity requirements to ensure stable operation under varying load conditions.

Single Zener Diodes Part Context

This part belongs to the PD3Z284C series of 0.5 W surface mount Zener diodes. The series offers various voltage options within the same PowerDI 323 package, allowing for standardized inventory management across different voltage requirements while maintaining consistent mechanical and thermal properties for PCB layout uniformity.

Single Zener Diodes Replacement Considerations

The datasheet explicitly recommends using the D3ZxxBF Series as a replacement for new designs. Verify pinout compatibility and electrical parameter alignment before substituting with other manufacturers' equivalents in existing layouts.

Single Zener Diodes FAQ

What is the test current used to specify the Zener voltage for the PD3Z284C27-7?

The Zener voltage is specified at a test current (IZT) of 2 mA.

Does the PD3Z284C27-7 meet automotive reliability standards?

Yes, the device is qualified to AEC-Q101 standards for high reliability.