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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：±2%
- Power - Max：300 mW
- Impedance (Max) (Zzt)：7 Ohms
- Current - Reverse Leakage @ Vr：100 nA @ 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 AZ23B7V5-HE3-18 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 7.5 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. It is AEC-Q101 qualified for automotive reliability and offers high ESD protection exceeding 8 kV (HBM) and 800 V (MM).
Feature Summary
- Dual common anode configuration for space-efficient circuit design.
- AEC-Q101 qualification ensures suitability for automotive applications.
- High electrostatic discharge robustness per AEC-Q101 standards.
- RoHS-compliant manufacturing process.
Applications
- Automotive voltage reference circuits.
- ESD protection networks.
- Voltage clamping and regulation tasks.
Procurement Notes
Verify the specific ordering suffix against official documentation to confirm the tape-and-reel quantity and packaging format. Ensure that the component meets all required environmental and automotive qualification standards before finalizing procurement orders.
Selection Notes
Select this variant when a precise 7.5 V reference with ±2% tolerance is required. The dual common anode structure allows for efficient use of board space compared to discrete single diodes. Confirm thermal management requirements align with the specified power dissipation limits.
Part Context
This component belongs to the AZ23 series of small signal Zener diodes manufactured by Vishay General Semiconductor - Diodes Division. The series provides various voltage options graded according to the international E24 standard, catering to diverse electronic design needs.
Replacement Considerations
AZ23B7V5-E3-18
FAQ
What is the dynamic resistance of the AZ23B7V5-HE3-18?
The maximum dynamic resistance (ZZ) at the test current IZT1 is 7 Ω.
Is the AZ23B7V5-HE3-18 suitable for automotive environments?
Yes, the HE3_A suffix indicates that the device is AEC-Q101 qualified for automotive applications.
What is the reverse leakage current specification?
The maximum reverse leakage current (IR) is 0.1 μA when measured at a reverse voltage (VR) of 5 V.
