AZ23C11-HE3-18

Overview

The AZ23C11-HE3-18 is a silicon planar Zener diode array from the Vishay AZ23 series, housed in an SOT-23 package. It features a common anode configuration with two elements. The nominal Zener voltage is 11 V with a tolerance of ±5 %. Electrical characteristics include a test current of 5 mA, a maximum reverse leakage current of 0.1 μA at 8.5 V, and a dynamic resistance of 20 Ω at 5 mA. The device is AEC-Q101 qualified and RoHS compliant.

Feature Summary

• Dual-element common anode Zener diode array
• AEC-Q101 automotive qualification
• Silicon planar construction

Applications

• Automotive electronic circuits
• Voltage reference applications
• Transient voltage suppression

Procurement Notes

Verify the specific ordering code suffix to confirm packaging quantity and tape specifications. Ensure the HE3_A designation is required for AEC-Q101 compliance. Cross-reference the manufacturer's latest documentation to confirm current production status and availability before finalizing procurement plans.

Selection Notes

Select this component when a dual Zener array with a 11 V nominal breakdown is required in a compact surface-mount footprint. The HE3 variant provides necessary automotive reliability standards. Verify that the ±5 % voltage tolerance meets the circuit design requirements.

Part Context

This part belongs to the AZ23 series of small signal Zener diodes manufactured by Vishay General Semiconductor - Diodes Division. The series offers various voltage options within the E24 standard range, packaged in SOT-23 housings for space-constrained designs.

Replacement Considerations

AZ23C11-E3-18 (Commercial grade)

FAQ

What is the dynamic resistance of the AZ23C11-HE3-18?

The dynamic resistance is 20 Ω at a test current of 5 mA.

Is the AZ23C11-HE3-18 suitable for automotive applications?

Yes, it is AEC-Q101 qualified.