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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 DZ23C47-HE3_A-08 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 47 V with a standard tolerance of ±5 %. The device operates within a junction temperature range of -55 °C to +150 °C and dissipates up to 500 mW on lead-mounted configurations or 300 mW on FR-4 boards. 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 standards
- High electrostatic discharge (ESD) capability exceeding 8 kV HBM
- RoHS-compliant construction utilizing silicon planar technology
Applications
- Voltage reference circuits requiring stable DC levels
- Clamping and protection stages in automotive electronic modules
- Overvoltage protection networks in industrial control systems
Procurement Notes
Verify component authenticity by cross-referencing the manufacturer part number against official Vishay documentation. Confirm that the ordering suffix matches the required AEC-Q101 qualification status and tape-and-reel packaging specifications before finalizing procurement orders.
Selection Notes
Select this component when a precise 47 V reference is needed in space-constrained designs. Ensure the thermal management strategy accommodates the specified power dissipation limits at the maximum operating ambient temperature. Validate that the ±5 % tolerance aligns with the circuit's voltage regulation requirements.
Part Context
This component belongs to the DZ23 series of small signal Zener diodes manufactured by Vishay Semiconductors. The series covers a wide voltage range from 2.2 V to 75 V, all graded according to the international E24 standard. The HE3_A suffix specifically denotes the RoHS-compliant variant qualified for automotive environments.
Replacement Considerations
Direct replacements must match the 47 V nominal voltage, SOT-23 package, and AEC-Q101 qualification. Verify dynamic resistance and leakage current specifications to ensure equivalent performance in sensitive reference applications.
FAQ
What is the specific Zener voltage tolerance for the DZ23C47-HE3_A-08?
The standard Zener voltage tolerance for this device is ±5 %, adhering to the international E24 grading standard.
How does the mounting surface affect the power dissipation rating?
The device dissipates 500 mW when mounted on leads, but the rating drops to 300 mW when mounted on an FR-4 board using the recommended soldering footprint.
Is this component suitable for high-vibration automotive environments?
Yes, the DZ23C47-HE3_A-08 is explicitly AEC-Q101 qualified, indicating it meets the reliability standards required for automotive electronics.
