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Product Detailed Parameters
- Description：DIODE ZENER ARRAY 68V SOT-23-3
- Series：AZ23
- Mfr：Vishay
- Package：Tape & Reel (TR)
- Configuration：1 Pair Common Anode
- Voltage - Zener (Nom) (Vz)：68 V
- Tolerance：±5%
- Power - Max：300 mW
- Impedance (Max) (Zzt)：200 Ohms
- Current - Reverse Leakage @ Vr：50 nA @ 51 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 AZ23C68-HE3_A-08 is a silicon planar Zener diode array configured as a dual common anode pair. It provides a nominal Zener voltage of 68 V with a tolerance of ±5%. The device operates at a test current of 2 mA and features a maximum reverse leakage current of 51 µA at 51 V. Dynamic resistance is specified at 200 Ω (ZZ) and 475 Ω (ZZK). It is AEC-Q101 qualified, housed in an SOT-23 package, and rated for junction temperatures up to 150 °C.
Feature Summary
- Dual common anode configuration within a single SOT-23 package
- AEC-Q101 automotive qualification ensuring reliability under harsh conditions
- ESD protection exceeding 8 kV via human body model and 800 V via machine model
Applications
- Automotive circuit voltage regulation
- Overvoltage protection for sensitive electronic components
- Reference voltage generation in dual-channel signal processing
Procurement Notes
Verify the specific HE3_A suffix confirms AEC-Q101 qualification status. Confirm the tape and reel packaging matches the required manufacturing equipment specifications. Ensure the ordering code aligns with the intended voltage tolerance and configuration requirements for the target application design.
Selection Notes
Select this component when a dual Zener solution is required in a minimal footprint. The common anode topology simplifies circuit layout compared to discrete pairs. Verify that the 68 V breakdown voltage and 2 mA test current are compatible with the system's power budget and operational range.
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. The HE3_A variant specifically denotes RoHS compliance combined with automotive-grade qualification, distinguishing it from standard commercial grade E3 versions.
Replacement Considerations
AZ23C68-HE3-08
FAQ
What is the dynamic resistance specification for the AZ23C68?
The dynamic resistance (ZZ) is 200 Ω at the test current, while the knee dynamic resistance (ZZK) is 475 Ω.
How does the HE3_A suffix affect the component's qualification?
The HE3_A suffix indicates that the device is RoHS-compliant and qualified to the AEC-Q101 automotive reliability standard.
What is the maximum operating temperature for this device?
The device supports an operating temperature range from -55 °C to +150 °C.
