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Product Detailed Parameters
- Description：DIODE ZENER ARRAY 20V SOT-23-3
- Series：-
- Mfr：Diodes Incorporated
- Package：Tape & Reel (TR),Cut Tape (CT)
- Configuration：1 Pair Common Anode
- Voltage - Zener (Nom) (Vz)：20 V
- Tolerance：±5%
- Power - Max：300 mW
- Impedance (Max) (Zzt)：50 Ohms
- Current - Reverse Leakage @ Vr：-
- Operating Temperature：-65°C ~ 150°C
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- pa_package-case：
- Supplier Device Package：SOT-23-3
- Voltage - Forward (Vf) (Max) @ If：-
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Overview
The AZ23C20-7-F is a dual surface mount Zener diode array manufactured by Diodes Incorporated. It features two Zener diodes in a common anode configuration within a single SOT-23 package. The nominal Zener voltage is 20 V, with a specified range of 18.8 V to 21.2 V at a test current of 5.0 mA. Maximum power dissipation is rated at 300 mW. Key electrical parameters include a maximum Zener impedance (ZZT) of 50 Ohms and a typical temperature coefficient of +0.09 %/°C. The device operates within a junction temperature range of -65°C to +150°C.
Feature Summary
- Dual Zener diodes integrated in a common anode configuration for space-efficient circuit design.
- High reliability qualification compliant with JEDEC standards and AEC-Q101 ESD ratings.
- Lead-free construction utilizing matte tin finish on an alloy leadframe, fully RoHS compliant.
Applications
- Voltage reference circuits requiring dual stable voltage rails.
- Over-voltage protection stages in signal conditioning paths.
- Clamping applications for transient suppression in low-power electronics.
Procurement Notes
Verify the specific ordering suffix '-7-F' corresponds to commercial grade qualification and tape & reel packaging containing 3,000 units per carrier. Confirm that the component meets the required environmental compliance standards, specifically RoHS and halogen-free definitions, prior to final procurement authorization.
Selection Notes
Select this component when a dual Zener solution with a common anode topology is required in a compact SOT-23 footprint. Ensure the application current does not exceed limits that would cause self-heating beyond the 300 mW dissipation rating. Verify that the 20 V nominal voltage aligns with the target clamping or reference requirements.
Part Context
This part belongs to the AZ23C series of dual surface mount Zener diodes from Diodes Incorporated. The series offers various voltage options ranging from 2.7 V to 51 V, all sharing the same physical package dimensions and thermal characteristics. The 'AZ23C20' designation specifically identifies the 20 V variant within this standardized product family.
Replacement Considerations
Direct replacements must match the SOT-23 package, common anode configuration, and 20 V Zener voltage. Verify that substitute components meet the 300 mW power dissipation and -65°C to +150°C operating temperature range specifications.
FAQ
What is the typical temperature coefficient for the AZ23C20-7-F?
The typical temperature coefficient is +0.09 %/°C.
Is the AZ23C20-7-F qualified for automotive applications?
The standard AZ23C20-7-F is commercially qualified. Automotive-grade versions are available with the 'Q' suffix (e.g., AZ23C20Q-7-F) which are AEC-Q101 qualified.
What is the maximum reverse leakage current for this device?
The datasheet specifies a maximum reverse voltage of 15.0 V at a reverse current of 0.1 µA for the AZ23C20 type.
