BZX84C3V9-AU_R1_000A1

Single Zener Diodes Overview

The BZX84C3V9-AU_R1_000A1 is a surface mount silicon Zener diode manufactured by Panjit International Inc. It features a nominal Zener voltage of 3.9 V with a maximum Zener impedance of 90 Ohms at a test current of 5 mA. The device supports a maximum power dissipation of 410 mW and operates within a junction temperature range of -55°C to +150°C. It utilizes an SOT-23 package, complies with AEC-Q101 automotive standards, and meets RoHS2.0 directives.

Single Zener Diodes Feature Summary

• Planar die construction designed for automated assembly processes
• Qualified under AEC-Q101 automotive reliability standards
• Lead-free composition compliant with EU RoHS2.0 directives
• Utilizes green molding compound that is halogen-free per IEC61249 standard

Single Zener Diodes Applications

• Voltage regulation in automotive electronic circuits
• Clamping applications for transient voltage protection
• Reference voltage generation in precision measurement equipment

Single Zener Diodes Procurement Notes

Verify the specific part number against official Panjit documentation to confirm electrical tolerances and marking codes. Ensure procurement channels provide traceability data including lot numbers for quality assurance. Confirm compliance with environmental directives such as RoHS2.0 and REACH requirements prior to integration into final assemblies.

Single Zener Diodes Selection Notes

Select this component when a stable 3.9 V reference is required in space-constrained designs utilizing the SOT-23 form factor. Consider the 410 mW power dissipation limit and thermal resistance characteristics for circuit layout. Verify that the operating environment falls within the specified -55°C to +150°C temperature range for reliable performance.

Single Zener Diodes Part Context

This component belongs to the BZX84C series of surface mount Zener diodes from Panjit. The series offers a wide voltage range from 2.4 V to 75 V in a standardized SOT-23 package. These devices are engineered for high-volume manufacturing and general-purpose voltage regulation tasks across industrial and consumer electronics sectors.

Single Zener Diodes Replacement Considerations

Direct substitutes must match the 3.9 V nominal voltage, SOT-23-3 package, and 410 mW power rating. Verify equivalent Zener impedance and leakage current specifications to ensure circuit compatibility without redesign.