BZX84B18-AU_R1_000A1

Single Zener Diodes Overview

The BZX84B18-AU_R1_000A1 is a surface mount silicon Zener diode from the BZX84B2V4-AU series manufactured by Panjit International Inc. It features planar die construction and operates within a junction temperature range of -55°C to +150°C. The device provides a nominal Zener voltage of 18 V with a maximum Zener impedance of 45 Ω at IZT = 5 mA, and a maximum reverse leakage current of 100 nA at VR = 18 V. It dissipates up to 410 mW of power and is housed in an SOT-23-3 molded plastic package.

Single Zener Diodes Feature Summary

• Planar die construction for reliable performance
• Qualified under AEC-Q101 automotive standards
• Halogen-free green molding compound compliant with IEC61249

Single Zener Diodes Applications

• Automotive electronics circuits
• Voltage reference applications
• General purpose regulation

Single Zener Diodes Procurement Notes

Verify component authenticity against official datasheets before integration. Confirm that the specific part number matches the required electrical characteristics and packaging format. Ensure compliance with RoHS directives and check for any recent product change notifications or obsolescence notices directly from the manufacturer.

Single Zener Diodes Selection Notes

Select this component when a stable 18 V reference is needed in space-constrained designs. The SOT-23 package supports automated assembly processes. Verify thermal derating requirements if operating near the maximum junction temperature limit of 150°C.

Single Zener Diodes Part Context

This part belongs to the BZX84B2V4-AU series of surface mount Zener diodes. The series covers a wide voltage range from 2.4 V to 75 V, all sharing the same physical footprint and mechanical specifications. This allows for design flexibility while maintaining consistent board layout parameters across different voltage requirements.

Single Zener Diodes Replacement Considerations

Direct substitutes include other BZX84B18 variants from Panjit or equivalent industry-standard parts meeting the exact same electrical parameters and SOT-23 package dimensions.