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Product Detailed Parameters
- Description：DIODE ZENER ARRAY 6.8V SOT-23-3
- Series：MMBZxxxALT1G
- Mfr：onsemi
- Package：Tape & Reel (TR),Cut Tape (CT)
- Configuration：1 Pair Common Anode
- Voltage - Zener (Nom) (Vz)：6.8 V
- Tolerance：±5%
- Power - Max：300 mW
- Impedance (Max) (Zzt)：-
- Current - Reverse Leakage @ Vr：500 nA @ 4.5 V
- Operating Temperature：-55°C ~ 150°C (TJ)
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- pa_package-case：
- Supplier Device Package：SOT-23-3 (TO-236)
- Voltage - Forward (Vf) (Max) @ If：900 mV @ 10 mA
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Overview
The MMBZ6V8ALT1G is a dual common-anode Zener diode transient voltage suppressor manufactured by onsemi. It features a nominal breakdown voltage of 6.8 V with a tolerance range of 6.46 V to 7.14 V. The device operates in an SOT-23-3 package and dissipates up to 225 mW of power. It withstands peak pulse power of 40 W at 10/1000 µs and 24 W at 8/20 µs, with a maximum clamping voltage of 9.6 V at peak pulse current. The component supports an operating temperature range from -55 °C to +150 °C junction temperature.
Feature Summary
- Dual common-anode configuration for efficient space-saving protection
- High peak pulse power handling capability for ESD suppression
- Automotive-grade reliability qualification
Applications
- ESD protection for high-speed data lines
- Voltage reference circuits requiring dual zener elements
- Automotive electronic systems
Procurement Notes
Verify the specific suffix against official datasheets to confirm pinout and electrical characteristics. Ensure the source document matches the manufacturer's current revision. Check RoHS compliance status through official material composition reports. Confirm package dimensions match the required PCB footprint before ordering.
Selection Notes
Select this component when dual independent zener channels are needed in a single low-profile package. The common-anode topology simplifies circuit design for bidirectional or differential signal protection. Verify that the 6.8 V breakdown voltage aligns with the target system's voltage thresholds and noise margins.
Part Context
This part belongs to the MMBZ series of dual Zener TVS diodes designed for compact surface-mount applications. It shares the same package and general functionality as other variants in the family but differs in breakdown voltage and specific electrical parameters. The series is commonly used in portable electronics and automotive interfaces.
Replacement Considerations
MMBZ6V8ALYFH is listed as a similar level replacement with the same pinout and package. Verify electrical specifications and supply status before substitution.
