AZ23C3V9-E3-08

Overview

The AZ23C3V9-E3-08 is a dual common anode silicon planar Zener diode array from Vishay, housed in an SOT-23 surface-mount package. It provides a nominal Zener voltage of 3.9 V with a standard tolerance of ±5%. The device operates within a junction temperature range of -55 °C to +150 °C and dissipates up to 300 mW on an FR-4 board. Electrical characteristics include a maximum reverse leakage current of 3 µA at 3 V and a dynamic resistance of 90 Ω at the test current of 5 mA.

Feature Summary

• Dual common anode configuration for space-efficient circuit design
• ESD protection capability exceeding 8 kV via human body model
• RoHS-compliant commercial grade construction

Applications

• Voltage reference circuits requiring dual polarity or split supplies
• Clamping applications for signal lines
• Protection against electrostatic discharge events

Procurement Notes

Verify the specific ordering code suffix to confirm reel size and minimum order quantity requirements. Ensure that the component selection aligns with the required thermal management specifications for the intended operating environment. Confirm RoHS compliance status if restricted substances are a constraint for the final assembly process.

Selection Notes

Select this part when a dual common anode topology is required within a compact SOT-23 footprint. Consider the ±5% voltage tolerance and the specific dynamic resistance values for precision applications. Evaluate the thermal resistance parameters to ensure adequate heat dissipation under continuous operating conditions.

Part Context

This component belongs to the AZ23 series of small signal Zener diodes manufactured by Vishay General Semiconductor - Diodes Division. The series offers a wide range of graded Zener voltages according to the E24 standard, providing flexibility for various voltage regulation needs across different electronic designs.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation.