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Product Detailed Parameters
- Description：DIODE ZENER 25V 500MW SOD123
- Series：*
- Mfr：onsemi
- Package：Bulk
- Configuration：-
- Voltage - Zener (Nom) (Vz)：-
- Tolerance：-
- Power - Max：-
- Impedance (Max) (Zzt)：-
- Current - Reverse Leakage @ Vr：-
- Operating Temperature：-
- Grade：-
- Qualification：-
- Mounting Type：-
- pa_package-case：
- Supplier Device Package：-
- Voltage - Forward (Vf) (Max) @ If：-
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Overview
The SZMMSZ5253BT1 is a surface-mount Zener voltage regulator diode manufactured by onsemi. It provides a nominal Zener voltage of 6.2 V with a steady-state power dissipation rating of 500 mW. The device is housed in an SOD-123 package, featuring a maximum reverse leakage current of 100 nA and a Zener impedance of 49 Ohms at the test current of 4.2 mA. It operates within a temperature range of -55°C to +150°C and maintains a voltage tolerance of 5%.
Feature Summary
- Provides precise voltage regulation for circuit protection applications
- Designed for space-constrained environments using compact SMD packaging
- Capable of withstanding high electrostatic discharge events
Applications
- Voltage reference circuits requiring stable bias points
- Over-voltage protection stages in signal conditioning paths
- Clamping applications in portable electronic devices
Procurement Notes
Verify component authenticity through authorized distribution channels or direct manufacturer engagement. Confirm RoHS compliance status and specific lot traceability requirements prior to procurement. Ensure storage conditions align with semiconductor handling standards to maintain device integrity throughout the supply chain process.
Selection Notes
Select this component when a 6.2 V regulation point is required in a low-profile surface-mount form factor. Evaluate thermal management needs against the 500 mW power rating. Consider the SOD-123 footprint dimensions for PCB layout compatibility and verify that the 5% voltage tolerance meets the specific circuit accuracy requirements.
Part Context
This part belongs to the MMSZ52 series of Zener diodes, which are designed for general-purpose voltage regulation in surface-mount applications. The series offers a wide breakdown voltage range, allowing designers to standardize on a single package type across various voltage levels. These components are widely used in consumer electronics and industrial control systems where reliable voltage clamping is essential.
Replacement Considerations
Direct replacements include MMSZ5253BT1G and MMSZ5253BT3G from onsemi, which share identical electrical characteristics and package dimensions. Cross-manufacturer equivalents should be verified for pinout compatibility and parameter matching.
