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Product Detailed Parameters
- Description：DIODE ZENER ARRAY 36V SOT-23-3
- Series：AZ23
- Mfr：Vishay General Semiconductor - Diodes Division
- Package：Tape & Reel (TR)
- Configuration：1 Pair Common Anode
- Voltage - Zener (Nom) (Vz)：36 V
- Tolerance：±2%
- Power - Max：300 mW
- Impedance (Max) (Zzt)：90 Ohms
- Current - Reverse Leakage @ Vr：100 nA @ 27 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 AZ23B36-HE3-18 is a silicon planar Zener diode array from the Vishay AZ23 series, housed in an SOT-23 surface-mount package. It features a dual common-anode configuration with a nominal Zener voltage of 36 V and 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. It is AEC-Q101 qualified for automotive applications and supplied in 10,000-unit reels.
Feature Summary
- AEC-Q101 qualified for automotive reliability
- Dual common-anode Zener array configuration
- Tight ±2% Zener voltage tolerance
- ESD protection exceeding 8 kV (HBM) and 800 V (MM)
Applications
- Automotive circuit voltage regulation
- Transient voltage suppression in sensitive electronics
- Reference voltage generation in measurement systems
Procurement Notes
Verify the specific HE3_A suffix against the official datasheet to confirm AEC-Q101 qualification status. Ensure the ordering code matches the required tape-and-reel quantity and packaging format. Cross-reference the manufacturer's latest documentation to validate current production status and compliance with RoHS3 standards before finalizing procurement.
Selection Notes
Select this component when a precise 36 V reference with ±2% accuracy is required in a compact SOT-23 footprint. The HE3 variant provides necessary automotive-grade reliability. Verify that the 300 mW power dissipation rating on standard PCBs meets the thermal requirements of the target application environment.
Part Context
This part belongs to the Vishay AZ23 series of small-signal Zener diodes. The series offers a wide voltage range from 2.2 V to 75 V in both commercial and automotive grades. The 'B' designation indicates the tighter ±2% tolerance band compared to the standard ±5% 'C' grade options available in the same family.
Replacement Considerations
AZ23B36-E3-18
FAQ
What is the dynamic resistance of the AZ23B36-HE3-18?
The maximum dynamic resistance (ZZ) at the test current IZT1 is 87 Ohms.
How does the HE3 suffix affect the device qualification?
The HE3 suffix indicates that the device is RoHS-compliant and qualified according to the AEC-Q101 automotive standard.
What is the reverse leakage current specification?
The maximum reverse leakage current is 0.05 µA when measured at a reverse voltage of 27 V.
