AZ23B24-HE3_A-08

Overview

The AZ23B24-HE3_A-08 is a dual common anode silicon planar Zener diode array manufactured by Vishay General Semiconductor - Diodes Division. It features a nominal Zener voltage of 24 V with a tight tolerance of ±2%. 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. It is AEC-Q101 qualified for automotive applications, offers high ESD protection (>8 kV HBM), and is supplied in SOT-23 packages on 8 mm tape reels.

Feature Summary

• Dual common anode configuration for space-efficient circuit design
• AEC-Q101 qualification ensuring reliability in automotive environments
• High electrostatic discharge (ESD) robustness exceeding 8 kV via human body model
• RoHS-compliant manufacturing process

Applications

• Automotive electronic systems requiring precise voltage regulation
• Transient voltage suppression in sensitive signal lines
• Reference voltage generation in measurement circuits

Procurement Notes

Verify the specific ordering suffix against the manufacturer's current documentation to confirm packaging quantities and reel specifications. Ensure that the component meets all applicable environmental compliance standards required for the intended deployment environment before finalizing procurement orders.

Selection Notes

Select this variant when a strict ±2% voltage tolerance is necessary compared to the standard ±5% grade. Confirm that the application requires AEC-Q101 automotive qualification. Verify that the SOT-23 package dimensions align with the available PCB footprint constraints.

Part Context

This component belongs to the AZ23 series of small signal Zener diodes from Vishay. The series provides a wide range of standardized voltage options graded according to the international E24 standard. The 'B' designation indicates the tighter ±2% tolerance band, while the 'HE3_A' suffix denotes the AEC-Q101 qualified automotive grade version.

Replacement Considerations

AZ23B24-E3-08

FAQ

What is the dynamic resistance of the AZ23B24-HE3_A-08?

The maximum dynamic resistance (ZZ) at a test current of 5 mA is 70 Ohms.

How does the reverse leakage current behave at room temperature?

The maximum reverse leakage current is specified as 0.05 µA when measured at a reverse voltage of 18 V.

Is this component suitable for high-vibration automotive environments?

Yes, the device is AEC-Q101 qualified, which certifies its suitability for automotive applications including those subject to mechanical stress.