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Product Detailed Parameters
- Description：DIODE ZENER ARRAY 30V SOT-23-3
- Series：AZ23
- Mfr：Vishay General Semiconductor - Diodes Division
- Package：Tape & Reel (TR)
- Configuration：1 Pair Common Anode
- Voltage - Zener (Nom) (Vz)：30 V
- Tolerance：±2%
- Power - Max：300 mW
- Impedance (Max) (Zzt)：80 Ohms
- Current - Reverse Leakage @ Vr：100 nA @ 22.5 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 AZ23B30-HE3-08 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 30 V with a tight ±2 % tolerance and a maximum dynamic resistance of 80 Ω at a test current of 2 mA. The device supports a maximum power dissipation of 500 mW and operates within a temperature range of -55 °C to +150 °C. It carries AEC-Q101 qualification for automotive reliability and provides high ESD protection exceeding 8 kV via the human body model.
Feature Summary
- Dual common anode configuration integrating two Zener diodes into a single compact footprint
- AEC-Q101 qualified construction ensuring suitability for demanding automotive electronic environments
- High electrostatic discharge robustness exceeding 8 kV under human body model testing conditions
Applications
- Automotive circuit voltage regulation and reference applications
- Protection against transient overvoltage events in sensitive electronics
- Clamping circuits requiring precise dual voltage thresholds
Procurement Notes
Verify the specific ordering code suffix to confirm the tape and reel packaging format matches the production line requirements. Ensure that the AEC-Q101 qualification status aligns with the target application's automotive reliability standards before finalizing component selection.
Selection Notes
Select this variant when a strict ±2 % voltage tolerance is required compared to the standard ±5 % commercial grade options. Confirm that the 30 V breakdown voltage and 80 Ω dynamic impedance meet the specific circuit design parameters for the intended load conditions.
Part Context
This component belongs to the broader AZ23 series of small signal Zener diodes manufactured by Vishay Semiconductors. The series offers a wide range of standardized voltage values graded according to the international E24 standard, providing designers with flexible options for various precision voltage regulation needs across different industries.
Replacement Considerations
AZ23B30-E3-08
FAQ
What is the reverse leakage current specification for the AZ23B30-HE3-08?
The maximum reverse leakage current is specified as 50 μA when measured at a reverse voltage of 22.5 V.
How does the HE3 suffix affect the device characteristics?
The HE3 suffix indicates that the device is RoHS-compliant and AEC-Q101 qualified, distinguishing it from the base E3 commercial grade version.
What is the thermal resistance junction-to-lead value?
The thermal resistance from junction to lead is rated at 250 K/W.
