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Product Detailed Parameters
- Description：DIODE ZENER ARRAY 6.8V SMD3
- Series：-
- Mfr：Rohm Semiconductor
- Package：Tape & Reel (TR),Cut Tape (CT)
- Configuration：1 Pair Common Anode
- Voltage - Zener (Nom) (Vz)：6.8 V
- Tolerance：±4.92%
- Power - Max：200 mW
- Impedance (Max) (Zzt)：40 Ohms
- Current - Reverse Leakage @ Vr：500 nA @ 3.5 V
- Operating Temperature：150°C (TJ)
- Grade：Automotive
- Qualification：AEC-Q101
- Mounting Type：Surface Mount
- pa_package-case：
- Supplier Device Package：SMD3
- Voltage - Forward (Vf) (Max) @ If：-
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Overview
The STZ6.8NFHT146 is a transient voltage suppressor (TVS) diode manufactured by Rohm Semiconductor, designed for bidirectional protection in electronic circuits. It features a peak pulse power dissipation of 600W at 10/1000µs waveform and a maximum clamping voltage of 11.2V at IPP=53.6A. The device has a breakdown voltage range of 7.56V to 8.4V and a reverse standoff voltage of 6.8V. It utilizes an SOD-323FL package with a lead-free finish, suitable for surface-mount applications requiring compact footprint and high reliability against electrostatic discharge and surge events.
Feature Summary
- Bidirectional TVS diode configuration for AC or differential signal line protection
- Compact SOD-323FL surface-mount package design
- High peak pulse power handling capability for transient suppression
Applications
- Protection of I/O ports in consumer electronics
- ESD protection for data lines in mobile devices
- Surge protection in automotive infotainment systems
Procurement Notes
Verify the exact ordering code including suffixes such as 'T146' to ensure correct packaging and tape-and-reel specifications. Confirm RoHS compliance status through official Rohm documentation prior to procurement. Cross-reference pinout diagrams with PCB layout requirements to prevent installation errors during assembly processes.
Selection Notes
Select this component when bidirectional transient suppression is required within a limited board space. Ensure the reverse standoff voltage exceeds the maximum operating voltage of the protected circuit. Verify that the clamping voltage remains below the withstand voltage of downstream sensitive components during peak pulse events.
Part Context
This part belongs to Rohm's STZ series of TVS diodes, which are optimized for ESD protection in portable and automotive applications. The series offers various voltage ratings and package options to accommodate different circuit requirements while maintaining consistent performance characteristics across the product line.
Replacement Considerations
Check for direct substitutes from Rohm with identical electrical parameters and package dimensions. Verify compatibility with existing PCB footprints before substituting with parts from other manufacturers. Ensure replacement devices meet the same thermal and mechanical reliability standards.
