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Product Detailed Parameters
- Description：DIODE ZENER ARRAY 5.1V SOT-363
- Series：-
- Mfr：Panjit International Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Configuration：3 Independent
- Voltage - Zener (Nom) (Vz)：5.1 V
- Tolerance：±5%
- Power - Max：200 mW
- Impedance (Max) (Zzt)：17 Ohms
- Current - Reverse Leakage @ Vr：5 µA @ 2 V
- Operating Temperature：-55°C ~ 150°C (TJ)
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- pa_package-case：
- Supplier Device Package：SOT-363
- Voltage - Forward (Vf) (Max) @ If：-
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Overview
The MMBZ5231BTW_R1_00001 is a surface mount silicon Zener diode from the Panjit MMBZ5221BTW to MMBZ5267BTW series. It features a nominal Zener voltage of 5.1V with a tolerance range of 4.85V to 5.36V at an test current (IZT) of 20mA. The device has a maximum power dissipation of 200mW and operates within a junction temperature range of -55°C to +150°C. Electrical characteristics include a maximum Zener impedance (ZZT) of 17Ω at IZT and a maximum reverse leakage current (IR) of 2.0μA at VR=4.0V. It utilizes a SOT-363 plastic package.
Feature Summary
- Planar die construction for robust performance
- Ideally suited for automated assembly processes
- Lead-free compliance with EU RoHS 2.0 directives
- Green molding compound in accordance with IEC 61249 standard
Applications
- Voltage regulation circuits
- Over-voltage protection
- Reference voltage generation
Procurement Notes
Verify the specific ordering suffix against the manufacturer's official documentation to ensure correct packaging and marking codes. Confirm that the component meets all required environmental standards, such as lead-free and green molding specifications, prior to integration into production schedules.
Selection Notes
Select this component when a 5.1V reference is required in a compact SOT-363 footprint. Ensure the application current does not exceed the 20mA test condition to maintain specified impedance levels. Verify thermal management capabilities are sufficient for the 200mW power dissipation limit under expected operating conditions.
Part Context
This part belongs to the MMBZ5221BTW ~ MMBZ5267BTW series of surface mount silicon Zener diodes manufactured by Panjit International Inc. The series covers a wide voltage range from 2.4V to 75V, offering standardized electrical characteristics and mechanical dimensions across multiple voltage options within the same package family.
Replacement Considerations
Direct replacements must match the 5.1V nominal voltage, 200mW power rating, and SOT-363 package. Verify equivalent dynamic impedance and leakage current specifications to ensure circuit compatibility without redesign.
FAQ
What is the marking code for the MMBZ5231BTW?
The marking code for the MMBZ5231BTW is E1.
What is the maximum Zener impedance at the test current?
The maximum Zener impedance (ZZT) at IZT = 20mA is 17Ω.
What is the maximum reverse leakage current specification?
The maximum reverse leakage current (IR) is 2.0μA when measured at VR = 4.0V.
