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Product Detailed Parameters
- Description：DIODE ZENER ARRAY 12V SOT-323
- Series：-
- Mfr：Panjit International Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Configuration：1 Pair Common Anode
- Voltage - Zener (Nom) (Vz)：12 V
- Tolerance：±5%
- Power - Max：200 mW
- Impedance (Max) (Zzt)：22 Ohms
- Current - Reverse Leakage @ Vr：100 nA @ 9 V
- Operating Temperature：-55°C ~ 150°C (TJ)
- Grade：Automotive
- Qualification：AEC-Q101
- Mounting Type：Surface Mount
- pa_package-case：
- Supplier Device Package：SOT-323
- Voltage - Forward (Vf) (Max) @ If：-
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Overview
The PZD22B12C-AU is a silicon Zener diode from the PZD22B series manufactured by Panjit International Inc. It features a nominal Zener voltage of 12 V with a tolerance range of 11.4 V to 12.6 V at an test current of 5 mA. The device operates within a power dissipation limit of 200 mW and utilizes a SOT-323 surface-mount package. Electrical characteristics include a maximum reverse leakage current of 0.1 uA at 9 V, a typical Zener impedance of 22 Ω at IZT, and a junction-to-ambient thermal resistance of 540 °C/W. It supports an operating junction temperature range of -55°C to 150°C.
Feature Summary
- Planar die construction designed for automated assembly processes
- AEC-Q101 qualified for automotive reliability standards
- Lead-free composition compliant with EU RoHS 2.0 directives
- Green molding compound meeting IEC 61249 environmental standards
Applications
- Voltage regulation in low-power electronic circuits
- Reference voltage generation in precision measurement systems
- Over-voltage protection for sensitive semiconductor components
Procurement Notes
Verify component authenticity through official manufacturer channels or authorized distributors. Confirm that the ordering suffix matches the specific electrical parameters required for your design. Ensure compliance with AEC-Q101 qualification requirements if deploying in automotive environments. Check for recent Product Change Notifications (PCN) regarding manufacturing updates.
Selection Notes
Select this component based on the 12 V nominal breakdown voltage and 200 mW power rating constraints. Evaluate the SOT-323 package dimensions against available PCB real estate. Consider the 22 Ω Zener impedance value for dynamic load applications. Verify thermal management capabilities given the 540 °C/W thermal resistance under standard mounting conditions.
Part Context
This part belongs to the PZD22B2V4C-AU ~ PZD22B75C-AU series, which covers a wide voltage range from 2.4 V to 75 V. All members share identical mechanical data, packaging specifications, and qualification standards. The series provides standardized pinouts and marking codes across different voltage options for consistent board layout strategies.
Replacement Considerations
Direct replacements must match the 12 V nominal voltage, 200 mW power rating, and SOT-323 package. Verify equivalent AEC-Q101 qualification status for automotive applications. Cross-reference Zener impedance and leakage current specifications to ensure circuit performance compatibility.
FAQ
What is the marking code for the PZD22B12C-AU?
The marking code for the PZD22B12C-AU is VFH.
What is the maximum reverse leakage current specified for this device?
The maximum reverse leakage current is 0.1 uA when measured at a reverse voltage of 9 V.
Is this component suitable for high-temperature automotive environments?
Yes, it is AEC-Q101 qualified and supports an operating junction temperature range up to 150°C.
