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Product Detailed Parameters
- Description：DIODE ZENER ARRAY 30V UMD3
- Series：-
- Mfr：Rohm Semiconductor
- Package：Tape & Reel (TR),Cut Tape (CT)
- Configuration：1 Pair Common Anode
- Voltage - Zener (Nom) (Vz)：30 V
- Tolerance：±2.5%
- Power - Max：200 mW
- Impedance (Max) (Zzt)：-
- Current - Reverse Leakage @ Vr：100 nA @ 23 V
- Operating Temperature：150°C (TJ)
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- pa_package-case：
- Supplier Device Package：UMD3
- Voltage - Forward (Vf) (Max) @ If：-
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Overview
The UMZ30NT106 is a low capacitance Zener diode manufactured by ROHM Semiconductor, designed for terminal protection applications. It features a UMD3 (SOT-323) surface-mount package with dimensions of 2.1x2.0 mm and a thickness of 1.0 mm. The device has a typical Zener voltage of 30V, with a minimum breakdown of 29.19V and a maximum of 30.69V at a test current of 5mA. It 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. The component utilizes an A-common configuration with three terminals.
Feature Summary
- Low capacitance design suitable for high-speed signal line protection
- Compact SOT-323 molded package for space-constrained PCB layouts
- High reliability construction for transient voltage suppression
Applications
- Surge protection for data lines
- Terminal protection in electronic circuits
- Transient voltage suppression in consumer electronics
Procurement Notes
Verify the specific ordering suffix when sourcing components, as variations such as T106 indicate tape-and-reel packaging quantities. Confirm RoHS compliance status and ensure the supplier provides valid datasheets matching the exact part number to avoid discrepancies in electrical characteristics or package dimensions during integration.
Selection Notes
Select this component for applications requiring precise voltage clamping with minimal signal distortion due to its low capacitance profile. Ensure the circuit design accommodates the 200mW power dissipation limit and verify that the operating environment remains within the specified thermal ranges for reliable long-term performance.
Part Context
This component belongs to the UMZ series of low capacitance Zener diodes from ROHM Semiconductor. These devices are engineered specifically for protecting sensitive input/output ports against electrostatic discharge and other transient voltage events while maintaining signal integrity in high-frequency applications.
Replacement Considerations
Check for equivalent low-capacitance Zener diodes in the SOT-323 package with similar breakdown voltages around 30V. Verify pinout compatibility and ensure replacement parts meet the same power dissipation and capacitance specifications for direct substitution.
