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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：-
- Qualification：-
- Mounting Type：Surface Mount
- pa_package-case：
- Supplier Device Package：SOT-23-3
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Overview
The AZ23C39-E3-08 is a dual common anode silicon planar Zener diode array from Vishay, housed in a SOT-23 surface-mount package. It provides a nominal Zener voltage of 39 V with a standard tolerance of ±5%. The device operates within a junction temperature range of -55 °C to +150 °C and dissipates up to 300 mW on an FR-4 board. Electrical characteristics include a maximum reverse leakage current of 50 μA at 29 V and a dynamic resistance of 87 Ω at the test current of 2 mA.
Feature Summary
- Dual common anode configuration for space-efficient circuit designs
- Graded Zener voltages according to international E24 standards
- ESD protection capability exceeding 8 kV via human body model
Applications
- Voltage reference circuits requiring dual independent references
- Clamping applications for signal lines
- Overvoltage protection stages in low-power electronics
Procurement Notes
Verify component authenticity by cross-referencing the manufacturer's part number against official datasheets. Confirm that the ordering suffix matches the required tape-and-reel quantity and RoHS compliance status. Ensure the supplier provides traceable documentation for the specific manufacturing batch.
Selection Notes
Select this variant when a dual common anode topology is required alongside a precise 39 V breakdown voltage. The ±5% tolerance suits general-purpose regulation tasks. Verify that the thermal management strategy accommodates the specified power dissipation limits under expected ambient conditions.
Part Context
This component belongs to the AZ23 series of small-signal Zener diodes manufactured by Vishay Semiconductors. The series offers various voltage grades and tolerance options, including a higher precision ±2% variant designated by the 'B' suffix. All devices utilize silicon planar technology optimized for surface-mount assembly.
Replacement Considerations
AZ23C39-HE3_A-08 (Vishay General Semiconductor - Diodes Division)
FAQ
What is the dynamic resistance of the AZ23C39-E3-08?
The dynamic resistance is 87 Ω, measured at a test current of 2 mA.
Does the AZ23C39-E3-08 have AEC-Q101 automotive qualification?
No, the base P/N-E3 is commercial grade. Automotive qualification requires the HE3_A suffix.
What is the maximum reverse leakage current specification?
The maximum reverse leakage current is 50 μA, tested at a reverse voltage of 29 V.
