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Product Detailed Parameters
- Description：DIODE ZENER ARRAY 22V SOT-23-3
- Series：DZ23
- Mfr：Vishay General Semiconductor - Diodes Division
- Package：Tape & Reel (TR)
- Configuration：1 Pair Common Cathode
- Voltage - Zener (Nom) (Vz)：22 V
- Tolerance：±5%
- Power - Max：300 mW
- Impedance (Max) (Zzt)：25 Ohms
- Current - Reverse Leakage @ Vr：100 nA @ 17 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 DZ23C22-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 22 V with a standard tolerance of ±5 %. The device operates within a temperature range of -55 °C to +150 °C and features a maximum power dissipation of 300 mW on an FR-4 board. It is AEC-Q101 qualified for automotive applications and offers ESD protection exceeding 8 kV via the human body model.
Feature Summary
- AEC-Q101 qualified for automotive reliability
- High ESD capability exceeding 8 kV (HBM)
- RoHS-compliant HE3_A material category
Applications
- Automotive voltage regulation circuits
- General-purpose voltage reference applications
- ESD protection in sensitive signal lines
Procurement Notes
Verify that the ordering suffix matches the required tape configuration and reel size. Confirm the HE3_A designation indicates AEC-Q101 qualification rather than commercial grade. Ensure the component meets specific environmental compliance requirements before finalizing procurement orders.
Selection Notes
Select this part when a 22 V Zener voltage with ±5 % tolerance is required in an SOT-23 footprint. Consider the 300 mW power dissipation limit on FR-4 boards during thermal design. Verify that the AEC-Q101 qualification aligns with target automotive or high-reliability application standards.
Part Context
This component belongs to the Vishay DZ23 series of small signal Zener diodes. The series covers a wide voltage range from 2.2 V to 75 V. The HE3_A variant specifically denotes RoHS compliance combined with AEC-Q101 automotive qualification, distinguishing it from the standard commercial E3 versions.
Replacement Considerations
DZ23C22-E3-18
FAQ
What is the ESD protection rating for this component?
The device provides ESD capability according to AEC-Q101 standards, exceeding 8 kV using the human body model and greater than 800 V using the machine model.
How does the HE3_A suffix affect the component's qualification?
The HE3_A suffix indicates that the component is RoHS-compliant and AEC-Q101 qualified, whereas the base E3 suffix denotes a commercial grade without automotive qualification.
What is the maximum power dissipation on an FR-4 board?
When mounted on an FR-4 board with the recommended soldering footprint, the maximum power dissipation is rated at 300 mW.
