DFLZ12Q-7

Single Zener Diodes Overview

The DFLZ12Q-7 is a 1.0W surface mount power Zener diode manufactured by Diodes Incorporated, housed in the PowerDI123 package. It features a nominal Zener voltage of 12V with a tolerance range of 11.4V to 12.7V at a test current of 50mA. The device exhibits a maximum Zener impedance of 7 Ohms and a maximum reverse leakage current of 3µA at 9.1V. It operates within a temperature range of -55°C to +150°C and is qualified to AEC-Q101 standards for automotive applications.

Single Zener Diodes Feature Summary

• Patented interlocking clip design provides high surge capacity.
• Large exposed pad and heat sink structure ensure superior thermal performance.
• Qualified to AEC-Q101 standards for high reliability in automotive environments.

Single Zener Diodes Applications

• Automotive electronic circuits requiring robust voltage regulation
• General purpose voltage reference applications
• Surge protection in surface mount designs

Single Zener Diodes Procurement Notes

Verify that the component matches the specific DFLZ12Q-7 designation to ensure correct voltage rating and packaging. Confirm compliance with RoHS 3 and halogen-free requirements as specified in the datasheet notes. Ensure the supplier provides documentation confirming AEC-Q101 qualification status for automotive use cases.

Single Zener Diodes Selection Notes

Select this component when a 1W power dissipation capability is required in a compact surface mount form factor. The PowerDI123 package offers lower thermal resistance compared to standard SOD packages. Consider the 12V nominal voltage and 5% tolerance for precise reference needs. Verify PCB layout compatibility with the suggested pad dimensions for optimal heat sinking.

Single Zener Diodes Part Context

This part belongs to the DFLZxxQ series of 1.0W surface mount power Zener diodes from Diodes Incorporated. The series utilizes the PowerDI123 package to deliver enhanced thermal management capabilities. Other variants in the family cover a wide range of Zener voltages from 5.1V to 39V, all sharing similar mechanical and electrical characteristics.

Single Zener Diodes Replacement Considerations

Direct replacements must match the 12V nominal voltage, 1W power rating, and PowerDI123 package. Verify that alternative components meet AEC-Q101 automotive qualification if used in such environments. Check for equivalent thermal resistance and impedance specifications to ensure circuit performance consistency.