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Product Detailed Parameters
- Description：DIODE ZENER ARRAY 62V SOT-23-3
- Series：AZ23
- Mfr：Vishay
- Package：Tape & Reel (TR)
- Configuration：1 Pair Common Anode
- Voltage - Zener (Nom) (Vz)：62 V
- Tolerance：±5%
- Power - Max：300 mW
- Impedance (Max) (Zzt)：150 Ohms
- Current - Reverse Leakage @ Vr：50 nA @ 46.5 V
- Operating Temperature：150°C (TJ)
- Grade：Automotive
- Qualification：AEC-Q101
- Mounting Type：Surface Mount
- pa_package-case：
- Supplier Device Package：SOT-23-3
- Voltage - Forward (Vf) (Max) @ If：-
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Overview
The Vishay AZ23C62-HE3_A-18 is a dual common anode silicon planar Zener diode array housed in an SOT-23 surface-mount package. It features a nominal Zener voltage of 62 V with a ±5% tolerance, tested at a current of 2 mA. The device has a maximum reverse leakage current of 50 μA and a dynamic resistance of 150 Ω. Rated for AEC-Q101 automotive qualification, it dissipates up to 500 mW (300 mW on FR-4) and operates within a temperature range of -55 °C to +150 °C.
Feature Summary
- Dual common anode configuration providing two independent Zener channels in a single compact footprint.
- AEC-Q101 qualified for enhanced reliability in demanding automotive electronic environments.
- High electrostatic discharge protection capability exceeding 8 kV via human body model standards.
Applications
- Automotive circuit voltage regulation and reference applications
- Protection of sensitive input lines against transient overvoltage events
- Dual-channel biasing networks requiring shared ground potential
Procurement Notes
Verify the specific HE3_A suffix confirms AEC-Q101 automotive grade compliance rather than commercial specifications. Confirm the -18 tape and reel quantity matches the required production volume. Ensure the ordering code precisely matches the 62 V nominal voltage requirement before finalizing procurement orders.
Selection Notes
Select this component when a dual Zener solution with a common anode is required for space-constrained designs. The 62 V rating suits medium-voltage regulation tasks where standard E24 values are preferred. Verify that the 150 Ω dynamic resistance meets the noise and stability requirements of the target application circuit.
Part Context
This part belongs to the Vishay AZ23 series of small signal Zener diodes. The series offers various voltage grades from 2.2 V to 75 V in the SOT-23 package. The HE3_A variant specifically denotes RoHS-compliant materials suitable for automotive-grade manufacturing processes.
Replacement Considerations
AZ23C62-E3-18: Commercial grade equivalent without automotive qualification. AZ23B62-HE3_A-18: Automotive grade alternative with tighter ±2% voltage tolerance.
