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Product Detailed Parameters
- Description：DIODE ZENER ARRAY 16V SOT-23-3
- Series：MMBZxxxALT1G
- Mfr：onsemi
- Package：Tape & Reel (TR),Tape & Reel (TR)
- Configuration：1 Pair Common Anode
- Voltage - Zener (Nom) (Vz)：16 V
- Tolerance：±5%
- Power - Max：300 mW
- Impedance (Max) (Zzt)：-
- Current - Reverse Leakage @ Vr：50 nA @ 13 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 MMBZ16VTALT1G is a dual monolithic silicon Zener transient voltage suppressor from onsemi, housed in an SOT-23 package. It features a common anode configuration with two cathodes for protecting separate lines. The device provides a nominal breakdown voltage of 16 V with a tight 2% tolerance range (15.68 V to 16.32 V). It handles a peak pulse power of 40 W at 1.0 ms and operates within a junction temperature range of -55 °C to +150 °C.
Feature Summary
- Dual junction common anode design protects two independent lines using a single compact package.
- High ESD protection capability rated at ±30 kV contact discharge per IEC61000-4-2 Level 4.
- Tight 2% breakdown voltage tolerance ensures precise clamping performance.
- Automotive qualified under AEC-Q101 standards with PPAP capability.
Applications
- Protection of high-speed data lines in communication systems
- ESD suppression for computer interface circuits
- Transient overvoltage protection for sensitive medical equipment
Procurement Notes
Verify the specific ordering suffix when sourcing components. The 'T1' suffix indicates a standard 7-inch tape and reel containing 3,000 units. Confirm that the required automotive qualification and PPAP documentation are available if the application demands strict supply chain controls.
Selection Notes
Select this component when a bidirectional or dual unidirectional TVS solution is needed for low-voltage lines requiring tight voltage accuracy. The 2% tolerance distinguishes it from standard 5% devices. Ensure the operating voltage does not exceed the 13 V working peak reverse voltage rating.
Part Context
This part belongs to the MMBZxxxALT1G series of dual Zener diodes. While many series members offer 5% tolerance, the 'VT' designation specifically denotes the tighter 2% tolerance variant. It shares the same physical footprint and pinout as other members in the family but offers superior voltage consistency.
Replacement Considerations
MMBZ16VALT1G serves as a direct functional substitute with identical electrical characteristics except for the looser 5% breakdown voltage tolerance. Both parts utilize the SOT-23 package and share the same pin configuration.
FAQ
What is the difference between MMBZ16VALT1G and MMBZ16VTALT1G?
The primary difference is the breakdown voltage tolerance. The MMBZ16VTALT1G has a tight 2% tolerance, whereas the MMBZ16VALT1G has a standard 5% tolerance.
How is the MMBZ16VTALT1G configured internally?
It consists of two Zener diodes connected in a common anode configuration, allowing Pin 3 to serve as the shared anode while Pins 1 and 2 act as independent cathodes.
Is this component suitable for automotive applications?
Yes, the device is AEC-Q101 qualified and PPAP capable, making it suitable for automotive environments requiring unique site and control change requirements.
