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Product Detailed Parameters
- Description：DIODE ZENER ARRAY 12V SOT-23-3
- Series：DZ23
- Mfr：Vishay General Semiconductor - Diodes Division
- Package：Tape & Reel (TR)
- Configuration：1 Pair Common Cathode
- Voltage - Zener (Nom) (Vz)：12 V
- Tolerance：±5%
- Power - Max：300 mW
- Impedance (Max) (Zzt)：7 Ohms
- Current - Reverse Leakage @ Vr：100 nA @ 9 V
- Operating Temperature：150°C (TJ)
- 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 DZ23C12-HE3_A-18 is a silicon planar Zener diode from the Vishay DZ23 series, housed in an SOT-23 surface-mount package. It provides a nominal Zener voltage of 12 V with a tolerance of ±5 %. The device operates at a test current of 5 mA and features a maximum reverse leakage current of 0.1 µA at 9 V. Dynamic resistance is specified at 20 Ω (at Izt1) and 90 Ω (at Izt2). It is AEC-Q101 qualified for automotive applications, offering ESD protection exceeding 8 kV via human body model and 800 V via machine model.
Feature Summary
- AEC-Q101 qualified for automotive reliability requirements
- High electrostatic discharge robustness per AEC-Q101 standards
- RoHS-compliant construction with halogen-free molding compound
Applications
- Automotive electronic circuit voltage regulation
- General-purpose voltage reference stabilization
- ESD protection in sensitive signal lines
Procurement Notes
Verify that the ordering suffix matches HE3_A-18 to confirm AEC-Q101 qualification status. Confirm RoHS compliance and material categorization details through official Vishay documentation before finalizing procurement specifications.
Selection Notes
Select this component when automotive-grade reliability and high ESD immunity are required within a compact SOT-23 footprint. Ensure the 12 V nominal rating aligns with the target circuit's voltage reference needs and that the 5 mA test current fits the design bias constraints.
Part Context
This part belongs to the DZ23 series of small-signal Zener diodes manufactured by Vishay Semiconductors. The series covers a wide voltage range from 2.2 V to 75 V, utilizing standard E24 grading. The HE3_A suffix specifically denotes the AEC-Q101 qualified variant packaged in tape-and-reel format.
Replacement Considerations
Direct substitutes include other DZ23C12 variants such as DZ23C12-E3-18 or DZ23C12-HE3_A-08, provided the specific AEC-Q101 qualification and reel packaging requirements are met.
FAQ
What is the dynamic resistance specification for the DZ23C12?
The dynamic resistance is specified as a maximum of 20 Ω at the test current Izt1 (5 mA) and 90 Ω at Izt2.
Does the DZ23C12-HE3_A-18 meet automotive standards?
Yes, the HE3_A suffix indicates that the device is qualified according to the AEC-Q101 automotive standard.
What is the maximum reverse leakage current?
The maximum reverse leakage current is 0.1 µA, measured at a reverse voltage of 9 V.
