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Product Detailed Parameters
- Description：DIODE ZENER ARRAY 5.6V SOT-23-3
- Series：MMBZxxxALT1G
- Mfr：onsemi
- Package：Tape & Reel (TR)
- Configuration：1 Pair Common Anode
- Voltage - Zener (Nom) (Vz)：5.6 V
- Tolerance：±5%
- Power - Max：300 mW
- Impedance (Max) (Zzt)：-
- Current - Reverse Leakage @ Vr：5 µA @ 3 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 MMBZ5V6ALT3G is a dual monolithic silicon Zener diode in an SOT-23 package, designed for transient overvoltage and ESD protection. It features a common anode configuration protecting two separate lines. Key electrical parameters include a working peak reverse voltage (VRWM) of 3.0 V, a breakdown voltage (VBR) range of 5.32 V to 5.88 V at a test current of 20 mA, and a maximum clamping voltage (VC) of 8.0 V at a peak pulse current (IPP) of 3.0 A. The device handles a peak power dissipation of 24 W at 1.0 ms and offers low leakage current (< 5.0 µA).
Feature Summary
- Dual junction common anode design protects two separate lines using one package.
- ESD rating meets IEC61000-4-2 Level 4 with ±30 kV contact discharge capability.
- Low leakage current specification below 5.0 µA.
- UL 94 V-0 flammability rating.
Applications
- Computer interface protection
- Printer and business machine circuits
- Communication systems
- Medical equipment
Procurement Notes
Verify the ordering suffix carefully when sourcing. The 'T1' suffix indicates a 7-inch/3,000-unit tape and reel, while the 'T3' suffix denotes a 13-inch/10,000-unit tape and reel. Ensure the specific packaging quantity matches the production requirements before placing orders.
Selection Notes
Select this component for applications requiring compact board space due to its small SOT-23 footprint. It supports either two separate unidirectional configurations or a single bidirectional setup. Verify that the 3.0 V working voltage aligns with the protected circuit's operating levels.
Part Context
This part belongs to the MMBZxxxALT1G series, which includes various Zener breakdown voltages from 5.6 V to 47 V. The series provides options for both 24 W and 40 W peak power ratings depending on the specific voltage code selected within the family.
Replacement Considerations
MMBZ5V6ALT1G serves as a direct functional equivalent with identical pinout and specifications but differs in reel packaging size (3,000 units vs. 10,000 units).
FAQ
What is the difference between the T1 and T3 ordering suffixes?
The T1 suffix corresponds to a 7-inch/3,000-unit tape and reel, whereas the T3 suffix corresponds to a 13-inch/10,000-unit tape and reel.
How does the common anode design benefit PCB layout?
It allows the protection of two separate signal lines using a single package, which is ideal for saving board space in high-density applications.
