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Product Detailed Parameters
- Description：DIODE ZENER ARRAY 12V SOT-23-3
- Series：SZMMBZxxxALT1G
- Mfr：onsemi
- Package：Tape & Reel (TR),Tape & Reel (TR),Cut Tape (CT)
- Configuration：1 Pair Common Anode
- Voltage - Zener (Nom) (Vz)：12 V
- Tolerance：±5%
- Power - Max：300 mW
- Impedance (Max) (Zzt)：-
- Current - Reverse Leakage @ Vr：200 nA @ 8.5 V
- Operating Temperature：-55°C ~ 150°C (TJ)
- Grade：Automotive
- Qualification：AEC-Q101
- 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 SZMMBZ12VALT1G is a Zener voltage regulator diode manufactured by onsemi, designed for surface-mount applications in the SOT-23-3 package. It provides a nominal Zener voltage of 12 V with a power dissipation rating of 225 mW. The device operates within a temperature range of -55 °C to +150 °C and holds AEC-Q100 qualification for automotive reliability. Key electrical parameters include a forward voltage of 900 mV and a unit weight of 8.800 mg. It belongs to the MMBZ12V series and is available in Reel, Cut Tape, and MouseReel packaging formats.
Feature Summary
- AEC-Q100 qualified for automotive electronic systems
- Compact SOT-23-3 surface-mount package design
- High-density board assembly suitability
Applications
- Voltage regulation in cellular phones
- Protection circuits in handheld portable devices
- High density PCB voltage reference applications
Procurement Notes
Verify component authenticity through authorized distribution channels or direct manufacturer engagement. Confirm that the specific part number matches the required automotive grade specifications and package type. Ensure compliance with RoHS directives and check for any relevant product change notifications prior to procurement integration.
Selection Notes
Select this component when a 12 V regulation point is required in space-constrained designs utilizing the SOT-23-3 footprint. Consider the 225 mW thermal limit and the -55 °C to +150 °C operating range against the target application's environmental conditions. Verify compatibility with automated assembly processes due to the small package dimensions.
Part Context
This device is part of the MMBZ12V series from onsemi, which offers Zener diodes in the SOT-23 plastic package. The series is engineered for voltage regulation with minimal spatial requirements, targeting high-density electronics markets such as mobile communications and portable instrumentation where board real estate is limited.
Replacement Considerations
Cross-reference with other MMBZ12V series variants or equivalent SOT-23-3 Zener regulators from onsemi. Verify pinout compatibility and thermal characteristics before substituting with components from other manufacturers.
