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Product Detailed Parameters
- Description：DIODE ZENER ARRAY 6.8V SOT-23-3
- Series：AZ23
- Mfr：Vishay General Semiconductor - Diodes Division
- Package：Tape & Reel (TR)
- Configuration：1 Pair Common Anode
- Voltage - Zener (Nom) (Vz)：6.8 V
- Tolerance：±2%
- Power - Max：300 mW
- Impedance (Max) (Zzt)：8 Ohms
- Current - Reverse Leakage @ Vr：100 nA @ 3 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 AZ23B6V8-E3-18 is a dual common anode Zener diode array manufactured by Vishay General Semiconductor - Diodes Division. It features two silicon planar Zener diodes integrated into a single SOT-23 package. The nominal Zener voltage is 6.8 V with a tight tolerance of ±2%. Each diode operates at a test current of 5 mA and dissipates up to 300 mW on an FR-4 board. The device supports an operating temperature range from -55 °C to +150 °C, complies with RoHS standards, and utilizes a standard 13-inch reel packaging format.
Feature Summary
- Dual common anode configuration for space-efficient circuit design
- Tight ±2% Zener voltage tolerance for precision applications
- High ESD protection capability exceeding 8 kV (HBM) and 800 V (MM)
- RoHS-compliant commercial grade construction
Applications
- Precision voltage reference circuits requiring dual rails
- Overvoltage protection for sensitive signal lines
- Clamping networks in high-speed data interfaces
- Voltage regulation in compact surface-mount designs
Procurement Notes
Verify the specific ordering code suffix against project requirements. The '-18' suffix indicates a 10,000-unit reel quantity, while '-08' denotes a 3,000-unit reel. Confirm that the base part number matches the required voltage and tolerance specifications before finalizing procurement orders.
Selection Notes
Select this component when a dual Zener array with common anode topology is required in a minimal footprint. Ensure the application current does not exceed the 5 mA test current limits for optimal voltage accuracy. Verify thermal management capabilities if ambient temperatures approach the maximum rated junction temperature.
Part Context
This device belongs to the AZ23 series of small signal Zener diodes. The 'B' designation specifically indicates the ±2% voltage tolerance variant, distinguishing it from the standard ±5% 'C' tolerance devices within the same family. All variants share identical physical dimensions and pin configurations.
Replacement Considerations
AZ23B6V8-E3-08 provides identical electrical characteristics but is supplied in 3,000-unit reels instead of 10,000-unit reels.
FAQ
What is the dynamic resistance of the AZ23B6V8-E3-18?
The dynamic resistance (ZZ) at the 5 mA test current is specified as a maximum of 8 Ohms.
Does the AZ23B6V8-E3-18 meet automotive qualification standards?
No, the base P/N-E3 version is a commercial grade device. Automotive qualification requires the HE3_A suffix.
What is the maximum reverse leakage current?
The maximum reverse leakage current is 2 μA when measured at the specified reverse voltage.
