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Product Detailed Parameters
- Description：DIODE ZENER ARRAY 39V SOT-23-3
- Series：AZ23
- Mfr：Vishay General Semiconductor - Diodes Division
- Package：Tape & Reel (TR)
- Configuration：1 Pair Common Anode
- Voltage - Zener (Nom) (Vz)：39 V
- Tolerance：±5%
- Power - Max：300 mW
- Impedance (Max) (Zzt)：90 Ohms
- Current - Reverse Leakage @ Vr：100 nA @ 29 V
- Operating Temperature：-55°C ~ 150°C
- Grade：Automotive
- Qualification：AEC-Q101
- Mounting Type：Surface Mount
- pa_package-case：
- Supplier Device Package：SOT-23-3
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Overview
The AZ23C39-HE3-18 is a dual common-anode Zener diode array manufactured by Vishay General Semiconductor - Diodes Division. It features a nominal Zener voltage of 39 V with a ±5% tolerance, tested at a current of 2 mA. The device has a maximum power dissipation of 300 mW on an FR-4 board and operates within a temperature range of -55 °C to +150 °C. Packaged in a SOT-23 (TO-236-3) surface-mount housing, it provides ESD protection exceeding 8 kV via the human body model. The part is RoHS compliant and supplied in taped reels for automated assembly.
Feature Summary
- Dual common-anode configuration integrating two Zener elements into a single compact package
- AEC-Q101 qualified for automotive electronics reliability standards
- High electrostatic discharge robustness exceeding 8 kV human body model limits
- RoHS compliant construction utilizing matte tin lead finish
Applications
- Automotive circuit voltage regulation and clamping
- ESD protection for sensitive signal lines
- Reference voltage generation in dual-channel systems
Procurement Notes
Verify component authenticity through authorized distribution channels. Confirm that the ordering suffix matches the required tape reel quantity and AEC-Q101 qualification status. Ensure storage conditions adhere to moisture sensitivity level 1 guidelines prior to soldering.
Selection Notes
Select this variant when a dual common-anode topology is required for space-constrained designs. Verify that the 39 V breakdown voltage aligns with the target circuit threshold. Consider the 300 mW thermal limit on standard PCB footprints during power dissipation calculations.
Part Context
This component belongs to the AZ23 series of small signal silicon planar Zener diodes. The series offers graded voltages according to the E24 standard. The specific suffix indicates the packaging format and compliance level relative to other commercial or automotive grades in the lineup.
Replacement Considerations
AZ23C39-HE3_A-18
FAQ
What is the dynamic resistance of the AZ23C39-HE3-18?
The maximum dynamic resistance (ZZ) at the test current of 2 mA is 300 Ohms.
Does the AZ23C39-HE3-18 meet automotive standards?
Yes, the device is AEC-Q101 qualified for automotive applications.
What is the reverse leakage current specification?
The maximum reverse leakage current is 50 µA when measured at a reverse voltage of 29 V.
