AZ23C75-HE3_A-18

Overview

The Vishay AZ23C75-HE3_A-18 is a dual common anode silicon planar Zener diode array housed in an SOT-23 package. It features a nominal Zener voltage of 75 V with a ±5% tolerance and operates at a test current of 2 mA. The device has a maximum power dissipation of 500 mW, reverse leakage current of 56 μA, and dynamic resistance of 250 Ω. It is AEC-Q101 qualified for automotive applications, offers ESD protection exceeding 8 kV (HBM) and 800 V (MM), and complies with RoHS standards.

Feature Summary

• Dual common anode configuration providing two independent Zener channels within a single compact surface-mount footprint.
• Automotive-grade qualification under AEC-Q101 standards ensuring reliability for demanding operational environments.
• High electrostatic discharge robustness rated above 8 kV via human body model and 800 V via machine model protocols.

Applications

• Voltage reference circuits requiring stable dual-channel regulation
• Overvoltage protection stages in automotive electronic control units
• Signal clamping and waveform shaping in precision analog interfaces

Procurement Notes

Verify the specific ordering suffix to confirm tape-and-reel packaging quantities and ensure the component meets the required environmental compliance standards. Cross-reference the manufacturer's latest documentation to validate that the part remains active and available for procurement before finalizing supply chain commitments.

Selection Notes

Select this component when a dual Zener solution is needed in a minimal SOT-23 form factor. Ensure the circuit design accommodates the 2 mA test current requirement and verify that the 250 Ω dynamic resistance aligns with the application's impedance matching needs.

Part Context

This device belongs to the Vishay AZ23 series of small signal Zener diodes. The series utilizes silicon planar technology and provides standardized voltage grading according to the international E24 standard across a wide range of nominal voltages.

Replacement Considerations

Consult the official datasheet for authorized substitute part numbers or alternative configurations within the same product family that may offer different voltage tolerances or packaging options.

FAQ

What is the maximum power dissipation rating?

The maximum power dissipation is 500 mW.

Is this component suitable for automotive applications?

Yes, it is qualified according to the AEC-Q101 standard.

What is the reverse leakage current specification?

The maximum reverse leakage current is 56 μA.