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Product Detailed Parameters
- Description：DIODE ZENER ARRAY 27V SOT-23-3
- Series：DZ23
- Mfr：Vishay General Semiconductor - Diodes Division
- Package：Tape & Reel (TR)
- Configuration：1 Pair Common Cathode
- Voltage - Zener (Nom) (Vz)：27 V
- Tolerance：±5%
- Power - Max：300 mW
- Impedance (Max) (Zzt)：80 Ohms
- Current - Reverse Leakage @ Vr：100 nA @ 20 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
- Voltage - Forward (Vf) (Max) @ If：-
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Overview
The DZ23C27-HE3-08 is a dual common cathode Zener diode array manufactured by Vishay General Semiconductor - Diodes Division. It features a nominal Zener voltage of 27 V with a maximum power dissipation of 300 mW and a tolerance of ±5%. The device is housed in an SOT-23-3 (TO-236-3, SC-59) surface-mount package. It operates within a junction temperature range of -55°C to +150°C and holds AEC-Q101 automotive qualification. The component is currently obsolete and no longer in production.
Feature Summary
- Dual common cathode configuration for space-efficient circuit design
- Automotive grade reliability certified under AEC-Q101 standards
- Wide operating temperature range suitable for harsh environments
Applications
- Voltage reference circuits in automotive electronics
- Overvoltage protection for signal lines
- Clamping applications in industrial control systems
Procurement Notes
This component is officially discontinued and no longer manufactured by Vishay. Procurement is limited to existing stock from third-party distributors. Verification of authenticity and storage history is critical due to the end-of-life status. Designers should initiate replacement strategies immediately to ensure long-term supply chain stability.
Selection Notes
Engineers requiring this specific 27 V dual Zener specification should evaluate alternative components from the same family or compatible pin-to-pin replacements. Considerations must include matching Zener impedance, leakage current characteristics, and thermal performance. Verify that any substitute meets the original AEC-Q101 requirements if used in automotive contexts.
Part Context
The DZ23 series represents Vishay's line of dual Zener diode arrays designed for compact surface-mount applications. These devices integrate two independent Zener diodes in a single package to reduce board space. The HE3 suffix indicates Halogen-free and RoHS-compliant construction, aligning with environmental regulations for electronic components.
Replacement Considerations
The AZ23C27-HE3-08 is a recommended manufacturer substitute within the same product family. Other potential replacements include equivalent dual Zener arrays from Diodes Incorporated or ON Semiconductor, provided electrical parameters such as Vz, Ptot, and package type are identical.
