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Product Detailed Parameters
- Description：DIODE ZENER ARRAY 6.8V EMD5
- Series：-
- Mfr：Rohm Semiconductor
- Package：Tape & Reel (TR),Cut Tape (CT)
- Configuration：2 Pair Common Anode
- Voltage - Zener (Nom) (Vz)：6.8 V
- Tolerance：-
- Power - Max：150 mW
- Impedance (Max) (Zzt)：-
- Current - Reverse Leakage @ Vr：500 nA @ 3.5 V
- Operating Temperature：-
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- pa_package-case：
- Supplier Device Package：EMD5
- Voltage - Forward (Vf) (Max) @ If：-
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Overview
The ROHM Semiconductor EMZ6.8ET2R is a low capacitance Zener diode featuring a quad common anode configuration housed in an SOT-553-5 surface-mount package. It provides a nominal Zener voltage of 6.8 V with a test current of 5 mA and a maximum reverse leakage current of 500 nA. The device dissipates up to 150 mW of power and maintains operation at temperatures up to +150 °C. Its compact dimensions are 1.6 mm in length, 1.2 mm in width, and 0.5 mm in height.
Feature Summary
- Quad common anode architecture for efficient multi-channel voltage regulation
- Low capacitance design suitable for high-speed signal lines
- Ultra-small plastic package optimized for dense PCB layouts
Applications
- Input protection for high-speed data interfaces
- Voltage reference circuits in portable electronics
- ESD suppression on I/O ports
Procurement Notes
Verify the specific suffix ET2R against the official datasheet to confirm the taping format and reel specifications. Ensure the component meets RoHS compliance requirements for the target assembly process. Cross-reference the manufacturer part number with authorized distributor catalogs to validate authenticity and traceability before procurement.
Selection Notes
Select this component when a quad common anode Zener configuration is required within a minimal footprint. The low capacitance characteristic makes it appropriate for applications where signal integrity must be preserved during clamping events. Verify that the 150 mW power dissipation rating aligns with the thermal constraints of the final enclosure.
Part Context
This component belongs to ROHM's EMZT series of low capacitance Zener diodes. The series is engineered for space-constrained consumer and industrial devices requiring reliable voltage regulation and transient protection. The SOT-553 package represents a standard form factor for integrating multiple diode functions into single-chip solutions.
Replacement Considerations
The EMZT6.8E is a documented alternative within the same family offering identical electrical characteristics. Verify pin compatibility and package dimensions before substitution. Ensure the replacement part supports the required operating temperature range and packaging format.
