AZ23C12-HE3_A-08

Overview

The AZ23C12-HE3_A-08 is a dual common anode silicon planar Zener diode array from the Vishay AZ23 series, housed in a SOT-23 package. It features a nominal Zener voltage of 12 V with a tolerance of ±5%. The device operates within a junction temperature range of -55 °C to +150 °C and dissipates up to 500 mW (300 mW on FR-4). It is AEC-Q101 qualified for automotive applications and offers ESD protection exceeding 8 kV via the human body model.

Feature Summary

• Dual common anode configuration providing two independent Zener elements in a single compact surface-mount package.
• AEC-Q101 qualification ensuring compliance with automotive electronics reliability standards.
• High electrostatic discharge robustness rated at greater than 8 kV using the human body model.

Applications

• Automotive electronic circuits requiring AEC-Q101 compliant voltage reference or clamping components.
• Protection of sensitive input lines against electrostatic discharge events in consumer electronics.
• Voltage regulation tasks within low-power portable devices utilizing standard surface-mount assembly processes.

Procurement Notes

Verify the specific ordering code suffix to confirm the tape-and-reel quantity and packaging format required for your production line. Confirm that the HE3_A designation aligns with your project's automotive qualification requirements before finalizing procurement orders.

Selection Notes

Select this component when a dual Zener array with a 12 V nominal rating and ±5% tolerance is needed. Ensure the application environment stays within the specified -55 °C to +150 °C operating range and accounts for the thermal resistance characteristics defined in the datasheet.

Part Context

This part belongs to the broader AZ23 series of small signal Zener diodes manufactured by Vishay Semiconductors. The series provides various voltage options graded according to the international E24 standard, all sharing the same SOT-23 footprint and general electrical architecture.

Replacement Considerations

Direct functional equivalents within the same family include the AZ23B12-HE3_A-08 for tighter tolerance needs or the AZ23C12-E3-08 for commercial grade applications without automotive qualification.

FAQ

What is the marking code for the AZ23C12-HE3_A-08?

The marking code printed on the device body is D57.

What is the maximum reverse leakage current for this device?

The maximum reverse leakage current is specified as 0.1 µA at a reverse voltage of 9 V.

How does the dynamic resistance vary for this component?

The dynamic resistance ranges from a minimum of 6 x 10^-4 /°C to a maximum of 9 x 10^-4 /°C under test conditions.