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Product Detailed Parameters
- Description：DIODE ZENER ARRAY 47V SOT-23-3
- Series：DZ23
- Mfr：Vishay General Semiconductor - Diodes Division
- Package：Tape & Reel (TR)
- Configuration：1 Pair Common Cathode
- Voltage - Zener (Nom) (Vz)：47 V
- Tolerance：±5%
- Power - Max：300 mW
- Impedance (Max) (Zzt)：70 Ohms
- Current - Reverse Leakage @ Vr：100 nA @ 35 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 Vishay DZ23C47-HE3_A-18 is a silicon planar Zener diode in the DZ23 series, housed in an SOT-23 package. It provides a nominal Zener voltage of 47 V with a standard tolerance of ±5 %. The device operates at a test current of 2 mA and features a maximum reverse leakage current of 0.05 µA at 35 V. Dynamic resistance is specified at 97 Ω (at IZT1) and 375 Ω (at IZT2). It is AEC-Q101 qualified for automotive applications, supports a junction temperature up to 150 °C, and offers ESD protection exceeding 8 kV (HBM) and 800 V (MM).
Feature Summary
- AEC-Q101 qualified for automotive reliability requirements.
- High electrostatic discharge (ESD) capability exceeding 8 kV via human body model.
- RoHS-compliant construction utilizing HE3_A technology.
Applications
- Automotive voltage regulation circuits.
- General-purpose voltage reference applications.
- Protection against overvoltage transients.
Procurement Notes
Verify that the specific ordering code matches the required AEC-Q101 qualification and reel packaging configuration. Confirm compliance with RoHS standards and material categorization requirements before finalizing procurement orders.
Selection Notes
Select this component when a 47 V Zener voltage with ±5 % tolerance is required in an SOT-23 footprint. Ensure the operating environment meets the -55 °C to +150 °C range and consider the 2 mA test current for biasing calculations.
Part Context
This part 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, offering standardized grading according to the international E24 series for consistent voltage selection across various circuit designs.
Replacement Considerations
Direct substitutes within the same family include other DZ23C47 variants such as DZ23C47-E3-18 or DZ23C47-HE3_A-08, provided the tape-and-reel format and specific qualification level match the design requirements.
FAQ
What is the dynamic resistance of the DZ23C47-HE3_A-18?
The dynamic resistance is specified as 97 Ω at the primary test current (IZT1) and 375 Ω at the secondary test current (IZT2).
Is the DZ23C47-HE3_A-18 suitable for automotive use?
Yes, the HE3_A suffix indicates that the device is AEC-Q101 qualified, making it suitable for automotive applications.
What is the maximum reverse leakage current?
The maximum reverse leakage current is 0.05 µA, measured at a reverse voltage of 35 V.
