BZX84C3V3LT3G

Single Zener Diodes Overview

The onsemi BZX84C3V3LT3G is a single Zener diode voltage regulator housed in an SOT-23 surface-mount package. It provides a nominal Zener voltage of 3.3 V with a standard tolerance of ±5%. The device operates at a test current of 5 mA and features a maximum power dissipation of 250 mW on FR-4 or FR-5 boards. Electrical characteristics include a maximum Zener impedance of 95 Ω, a maximum reverse leakage current of 5 µA, and a typical temperature coefficient of -3.5 mV/K.

Single Zener Diodes Feature Summary

• Designed for voltage regulation in space-constrained applications such as cellular phones and handheld portables.
• Package optimized for automated board assembly to support high-density PCB layouts.
• Compliant with RoHS standards and manufactured using lead-free processes.

Single Zener Diodes Applications

• Cellular phones
• Handheld portable devices
• High density PC boards

Single Zener Diodes Procurement Notes

Verify the specific ordering suffix 'LT3G' to confirm the 10,000-unit tape and reel packaging configuration. Ensure the component meets the required environmental compliance standards for the target application. Cross-reference the datasheet revision date to confirm the accuracy of electrical parameters before finalizing procurement specifications.

Single Zener Diodes Selection Notes

Select this component when a 3.3 V reference is needed in a compact SOT-23 footprint. The standard tolerance series offers cost-effective regulation for general-purpose circuits. Consider the thermal derating requirements if operating above 25°C ambient temperature on standard FR-4 substrates.

Single Zener Diodes Part Context

This part belongs to the BZX84CxxxLT1G/C series of Zener diodes from onsemi. The series covers a wide breakdown voltage range from 2.4 V to 75 V within the same SOT-23 mechanical outline. The 'C' designation indicates standard tolerance availability, distinguishing it from the tighter tolerance 'B' series variants.

Single Zener Diodes Replacement Considerations

Compatible substitutes include the BZX84C3V3LT1G variant, which shares identical electrical characteristics but utilizes a 3,000-unit tape and reel packaging format. Other manufacturers offering equivalent SOT-23 3.3 V Zener diodes may be considered if pinout compatibility and electrical limits are verified against the official datasheet.