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Product Detailed Parameters
- Description：DIODE ZENER ARRAY 12V UMD3
- Series：-
- Mfr：Rohm Semiconductor
- Package：Tape & Reel (TR),Cut Tape (CT)
- Configuration：1 Pair Common Anode
- Voltage - Zener (Nom) (Vz)：12 V
- Tolerance：±8%
- Power - Max：200 mW
- Impedance (Max) (Zzt)：30 Ohms
- Current - Reverse Leakage @ Vr：100 nA @ 9 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 UMZ12NT106 is a low capacitance Zener diode manufactured by Rohm Semiconductor, housed in the UMD3 (SOT-323/SC-70) surface-mount package. It features a typical Zener voltage of 12V with a minimum of 11.4V and maximum of 12.6V at a test current of 5mA. The device supports a power dissipation of 200mW and operates within a junction temperature range up to 150°C. Storage temperatures span from -55°C to 150°C. This component is designated as not recommended for new designs.
Feature Summary
- Low capacitance design suitable for high-speed signal lines
- Compact SMD packaging for space-constrained applications
- High reliability construction
Applications
- Voltage regulation in portable electronic devices
- Protection of I/O ports against transient voltages
- Reference voltage sources in measurement circuits
Procurement Notes
Verify the obsolete status before procurement. The UMZ12NT106 is explicitly marked as not recommended for new designs. Confirm availability through authorized distributors for existing production support only. Ensure ordering part numbers match the specific tape and reel configuration required for automated assembly processes.
Selection Notes
Select this component only for legacy board upgrades or maintenance where the original schematic specifies UMZ12N. For new projects, choose an active alternative from the same family with updated supply status. Verify that the 12V Zener tolerance and 200mW power rating meet the circuit requirements without exceeding thermal limits.
Part Context
This part belongs to Rohm's UMZ series of low capacitance Zener diodes. It shares the UMD3 package footprint with other variants like UMZ6.2N and UMZ18NFH. The series is designed for terminal protection and voltage clamping in compact consumer electronics and industrial control modules requiring small form factors.
Replacement Considerations
Direct substitutes include UMZ12NFM and UMZ12NFHT106, which share the same pinout and package. These alternatives are recommended for new designs. Verify electrical parameters such as Zener voltage tolerance and leakage current to ensure compatibility with the existing circuit design.
