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Product Detailed Parameters
- Description：DIODE ZENER ARRAY 5.1V SOT-23-3
- Series：AZ23
- Mfr：Vishay General Semiconductor - Diodes Division
- Package：Tape & Reel (TR)
- Configuration：1 Pair Common Anode
- Voltage - Zener (Nom) (Vz)：5.1 V
- Tolerance：±5%
- Power - Max：300 mW
- Impedance (Max) (Zzt)：60 Ohms
- Current - Reverse Leakage @ Vr：2 µA @ 2 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 AZ23C5V1-HE3_A-18 is a silicon planar Zener diode array from the Vishay AZ23 series, configured as one pair with a common anode. It features a nominal Zener voltage of 5.1 V with a ±5% tolerance and operates within a junction temperature range of -55 °C to +150 °C. The device is AEC-Q101 qualified for automotive applications and RoHS compliant. Electrical characteristics include a maximum reverse leakage current of 0.1 µA at 0.8 V and a dynamic resistance of 60 Ω at a test current of 5 mA. It is supplied in SOT-23 packages on 13 mm tape reels.
Feature Summary
- AEC-Q101 qualified for automotive reliability requirements
- ESD protection capability exceeding 8 kV via human body model
- RoHS compliant construction without halogenated additives
Applications
- Automotive circuit voltage regulation
- Transient voltage suppression in vehicle electronics
- Reference voltage generation in sensor interfaces
Procurement Notes
Verify that the ordering suffix matches the required reel size and qualification level. Confirm the specific manufacturer lot traceability aligns with project quality standards. Ensure storage conditions maintain moisture sensitivity level 1 integrity prior to soldering. Cross-reference the component marking code D48 against the datasheet to validate authenticity upon receipt.
Selection Notes
Select this variant when AEC-Q101 qualification is mandatory for the target application environment. The common anode configuration simplifies dual-channel clamping circuits compared to independent diodes. Verify that the 60 Ω dynamic resistance meets the noise and regulation requirements of the specific signal path design constraints.
Part Context
This component belongs to the AZ23 series of small signal Zener diodes manufactured by Vishay General Semiconductor. The series offers a wide range of graded voltages from 2.2 V to 75 V. The HE3_A suffix specifically denotes the AEC-Q101 qualified version packaged in 13 mm tape reels, distinguishing it from commercial grade or alternative packaging options.
Replacement Considerations
- AZ23C5V1-E3-18
- AZ23B5V1-HE3_A-18
FAQ
What is the ESD rating for the AZ23C5V1-HE3_A-18?
The device provides ESD protection greater than 8 kV according to the human body model and greater than 800 V according to the machine model, as specified under AEC-Q101 guidelines.
How does the HE3_A suffix differ from the standard E3 suffix?
The HE3_A suffix indicates that the device is AEC-Q101 qualified for automotive applications, whereas the standard E3 suffix denotes a commercial grade part without this specific automotive qualification.
What is the marking code for this specific part number?
The marking code printed on the AZ23C5V1-HE3_A-18 package is D48.
