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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：±2%
- 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 AZ23B39-E3-08 is a dual common anode silicon planar Zener diode array from the Vishay AZ23 series, housed in a SOT-23 surface-mount package. It features a nominal Zener voltage of 39 V with a tight tolerance of ±2%. 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 nA at 29 V and a dynamic resistance of 87 Ω at a test current of 2 mA.
Feature Summary
- Dual common anode configuration for space-efficient circuit designs
- Tight ±2% Zener voltage tolerance for precision regulation
- High ESD protection capability exceeding 8 kV (HBM) and 800 V (MM)
- RoHS-compliant commercial grade construction
Applications
- Voltage reference circuits requiring dual rails
- Overvoltage protection for sensitive input lines
- Clamping applications in signal conditioning paths
Procurement Notes
Verify the specific ordering suffix against the manufacturer's official documentation to confirm tape-and-reel quantities and RoHS compliance status. Ensure that the procurement channel sources directly from authorized distributors to guarantee component authenticity and traceability throughout the supply chain.
Selection Notes
Select this variant when a precise ±2% voltage tolerance is required for dual-channel regulation. Compare the 87 Ω dynamic resistance against circuit requirements to ensure adequate performance under load variations. Confirm that the SOT-23 footprint aligns with the PCB layout constraints and thermal management strategy.
Part Context
This component belongs to the AZ23 series of small signal Zener diodes manufactured by Vishay General Semiconductor. The series offers a wide range of standardized voltages based on the E24 standard, providing designers with flexible options for various low-power voltage regulation and clamping applications across industrial and consumer electronics.
Replacement Considerations
AZ23B39-G3-08
FAQ
What is the dynamic resistance of the AZ23B39-E3-08?
The dynamic resistance (ZZ) is specified as a maximum of 87 Ω at a test current of 2 mA.
Does the AZ23B39-E3-08 have AEC-Q101 qualification?
No, the base P/N-E3 designation indicates a commercial grade part. AEC-Q101 qualification is available only for parts with the HE3_A suffix.
What is the maximum operating junction temperature?
The maximum operating junction temperature (Tj) is +150 °C.
