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Product Detailed Parameters
- Description：DIODE ZENER ARRAY 7.5V SOT-23-3
- Series：AZ23
- Mfr：Vishay General Semiconductor - Diodes Division
- Package：Tape & Reel (TR)
- Configuration：1 Pair Common Anode
- Voltage - Zener (Nom) (Vz)：7.5 V
- Tolerance：±5%
- Power - Max：300 mW
- Impedance (Max) (Zzt)：15 Ohms
- Current - Reverse Leakage @ Vr：1 µA @ 5 V
- Operating Temperature：150°C (TJ)
- Grade：Automotive
- Qualification：AEC-Q101
- Mounting Type：Surface Mount
- pa_package-case：
- Supplier Device Package：SOT-23-3
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Overview
The AZ23C7V5-HE3_A-18 is a dual common anode silicon planar Zener diode array manufactured by Vishay General Semiconductor - Diodes Division. It features a nominal Zener voltage of 7.5 V with a tolerance of ±5 %. The device operates within a junction temperature range of -55 °C to +150 °C and provides a maximum power dissipation of 300 mW on an FR-4 board. It is housed in a SOT-23 package and meets AEC-Q101 automotive qualification standards.
Feature Summary
- Dual common anode configuration for space-efficient circuit designs
- AEC-Q101 qualified for automotive reliability requirements
- High ESD protection capability exceeding 8 kV (HBM) and 800 V (MM)
- RoHS compliant construction
Applications
- Automotive electronic systems requiring robust voltage regulation
- General-purpose voltage reference circuits
- Protection against electrostatic discharge events
Procurement Notes
Verify the specific ordering code suffix to confirm the tape and reel quantity, as the '-18' designation indicates a standard 10,000-unit reel. Ensure that the procurement documentation explicitly states AEC-Q101 compliance, as this is tied to the HE3_A suffix rather than the base part number. Confirm RoHS status through official manufacturer channels prior to finalizing orders.
Selection Notes
Select this component when a dual Zener array with a 7.5 V nominal rating is required in a compact SOT-23 footprint. The HE3_A suffix is mandatory for applications demanding AEC-Q101 automotive qualification. Verify that the ±5 % voltage tolerance aligns with the design specifications before replacing higher precision variants.
Part Context
This part belongs to the AZ23 series of small signal Zener diodes from Vishay Semiconductors. The series offers various graded voltages according to the E24 standard. The AZ23C7V5-HE3_A-18 specifically combines the 7.5 V characteristic with automotive-grade reliability and standard reel packaging.
Replacement Considerations
AZ23C7V5-E3-18
FAQ
What does the 'HE3_A' suffix indicate?
The 'HE3_A' suffix denotes that the device is RoHS-compliant and qualified to the AEC-Q101 automotive standard.
What is the dynamic resistance at the test current?
The dynamic resistance (ZZ) is specified as a maximum of 7 Ω at a test current (IZT1) of 5 mA.
How is the reverse leakage current defined?
The maximum reverse leakage current is 0.1 μA when measured at a reverse voltage (VR) of 5 V.
