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Product Detailed Parameters
- Description：DIODE ZENER ARRAY 7.5V SOT-23-3
- Series：DZ23
- Mfr：Vishay General Semiconductor - Diodes Division
- Package：Tape & Reel (TR)
- Configuration：1 Pair Common Cathode
- Voltage - Zener (Nom) (Vz)：7.5 V
- Tolerance：±5%
- Power - Max：300 mW
- Impedance (Max) (Zzt)：4 Ohms
- Current - Reverse Leakage @ Vr：100 nA @ 5 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 DZ23C7V5-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 7.5 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 6 V. Electrical characteristics include a dynamic resistance (ZZ) of 7 Ω and a temperature coefficient ranging from 3 to 7 x 10⁻⁴/°C. It is AEC-Q101 qualified for automotive applications and supports a junction temperature up to 150 °C.
Feature Summary
- AEC-Q101 qualified for automotive reliability requirements
- ESD protection exceeding 8 kV via human body model and 800 V via machine model
- RoHS-compliant HE3_A construction variant
Applications
- Voltage reference circuits requiring stable regulation
- Overvoltage protection in automotive electronic modules
- Clamping applications in signal conditioning paths
Procurement Notes
Verify component authenticity through authorized distribution channels. Confirm that the specific ordering suffix matches the required AEC-Q101 qualification status and reel packaging specifications before finalizing procurement orders.
Selection Notes
Select this component when a 7.5 V Zener voltage with ±5% tolerance is required in a compact SOT-23 footprint. Ensure the application environment remains within the specified -55 °C to +150 °C operating range and accounts for the 300 mW power dissipation limit on standard FR-4 boards.
Part Context
This part belongs to the Vishay DZ23 Series of small signal Zener diodes. The series offers a wide voltage range from 2.2 V to 75 V, utilizing standardized E24 grading. The HE3_A suffix specifically denotes the RoHS-compliant, automotive-grade version of the device.
Replacement Considerations
Direct replacements must match the 7.5 V nominal voltage, SOT-23 package, and AEC-Q101 qualification. Verify that alternative components meet the same thermal resistance and ESD capability specifications.
FAQ
What is the ESD rating for the DZ23C7V5-HE3_A-18?
The device meets AEC-Q101 standards with an ESD capability greater than 8 kV using the human body model and greater than 800 V using the machine model.
How does the power dissipation change based on mounting conditions?
The total power dissipation is rated at 500 mW when the thermal resistance to lead (RthJL) is 250 K/W, but it reduces to 300 mW when mounted on an FR-4 board with the recommended soldering footprint.
What is the marking code for this specific part number?
The marking code for the DZ23C7V5 is V52.
