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Product Detailed Parameters
- Description：DIODE ZENER ARRAY 27V UMD3
- Series：-
- Mfr：Rohm Semiconductor
- Package：Tape & Reel (TR),Cut Tape (CT)
- Configuration：1 Pair Common Anode
- Voltage - Zener (Nom) (Vz)：27 V
- Tolerance：-
- Power - Max：200 mW
- Impedance (Max) (Zzt)：-
- Current - Reverse Leakage @ Vr：100 nA @ 21 V
- Operating Temperature：-
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- pa_package-case：
- Supplier Device Package：UMD3
- Voltage - Forward (Vf) (Max) @ If：-
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Overview
The UMZ27NT106 is a Zener diode array manufactured by ROHM Semiconductor, designed for terminal protection applications in automotive environments. It complies with the AEC-Q101 standard and features a UMD3 (SOT-323) surface-mount package. The device operates with a typical Zener voltage of 27V, ranging from 26.46V to 27.54V at a test current of 5mA. It dissipates 200mW of power and maintains a junction temperature up to 150°C. Key electrical characteristics include a maximum reverse leakage current of 1µA and an IEC 61000-4-2 ESD rating of ±15kV (air discharge).
Feature Summary
- Automotive-grade reliability compliant with AEC-Q101 standards.
- Integrated dual Zener configuration for efficient circuit protection.
- High electrostatic discharge tolerance suitable for sensitive terminals.
Applications
- Automotive electronic module input/output protection.
- Terminal surge suppression in vehicle control units.
- ESD protection for data lines and sensor interfaces.
Procurement Notes
Verify the specific ordering suffix against the official datasheet to ensure correct packaging and tape specifications. Confirm that the component meets the required AEC-Q101 qualification level for your target application. Cross-reference the part number with the manufacturer's latest availability status to avoid obsolete stock issues.
Selection Notes
Select this component when a dual-channel Zener array is required for compact automotive designs. Ensure the 27V breakdown voltage aligns with the system's operating limits. Verify that the UMD3 package dimensions fit the PCB layout constraints and that the 200mW power dissipation rating suffices for the expected transient energy levels.
Part Context
This part belongs to ROHM's UMZ series of Zener arrays specifically engineered for automotive use. These devices are characterized by their small SOT-323 footprint and high reliability under harsh environmental conditions. The series supports various voltage options to accommodate different protection requirements across multiple automotive subsystems.
Replacement Considerations
Check for direct pin-compatible alternatives within the same UMZ family or other AEC-Q101 qualified Zener arrays from ROHM. Ensure any substitute matches the 27V nominal voltage, 200mW power rating, and UMD3 package type to maintain mechanical and electrical compatibility.
