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Product Detailed Parameters
- Description：DIODE ZENER ARRAY 27V SOT-23-3
- Series：-
- Mfr：Vishay General Semiconductor - Diodes Division
- Package：Tape & Reel (TR)
- Configuration：1 Pair Common Anode
- Voltage - Zener (Nom) (Vz)：27 V
- Tolerance：-
- Power - Max：225 mW
- Impedance (Max) (Zzt)：-
- Current - Reverse Leakage @ Vr：80 nA @ 22 V
- Operating Temperature：-55°C ~ 150°C
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- pa_package-case：
- Supplier Device Package：SOT-23-3
- Voltage - Forward (Vf) (Max) @ If：1.1 V @ 200 mA
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Overview
The MMBZ27VDA-G3-18 is a bidirectional Transient Voltage Suppressor (TVS) diode manufactured by Vishay General Semiconductor - Diodes Division. It is housed in an SOT-23-3 surface-mount package and holds AEC-Q101 automotive qualification. The device features a working voltage of 22V, with a minimum breakdown voltage of 25.65V and a maximum clamping voltage of 38V at a peak pulse current of 1A. It offers a peak pulse power rating of 40W and operates within a junction temperature range of -55°C to +150°C.
Feature Summary
- Bidirectional configuration for protecting differential signal lines from electrostatic discharge and transient voltage events.
- Automotive-grade reliability certified under the AEC-Q101 standard for harsh operating environments.
- Compact SOT-23-3 surface-mount footprint designed for high-density circuit board layouts.
Applications
- Protection of data bus interfaces in automotive electronic control units.
- Electrostatic discharge suppression for high-speed communication ports.
- Transient voltage protection in compact consumer electronics assemblies.
Procurement Notes
Verify the specific suffix against official manufacturer documentation to confirm exact electrical tolerances and packaging configurations. Ensure that any ordering variations do not alter the fundamental bidirectional functionality or automotive qualification status required for the intended application design.
Selection Notes
Select this component when bidirectional protection is required for sensitive circuits exposed to ESD or inductive switching transients. The low clamping voltage ensures effective protection for low-voltage logic interfaces, while the small package size supports space-constrained designs requiring robust transient suppression capabilities.
Part Context
This part belongs to the MMBZ27VDA series of automotive-qualified TVS diodes. It shares the same physical package and general protection characteristics as other variants within the family, differentiated primarily by specific testing standards or minor parameter tolerances defined in the official datasheet.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided source material. Verify compatibility with alternative components by matching the bidirectional configuration, SOT-23-3 package dimensions, and equivalent clamping voltage specifications.
