MMBZ5257AW_R1_00001

Single Zener Diodes Overview

The MMBZ5257AW_R1_00001 is a surface mount silicon Zener diode from the Panjit MMBZ5229AW series. It features a nominal Zener voltage of 33V with a tolerance range of 32.34V to 33.66V at a test current of 3.8mA. The device has a maximum power dissipation of 200mW at 25°C and operates within a junction temperature range of -55°C to +150°C. Electrical characteristics include a maximum Zener impedance of 58Ω at IZT and 700Ω at IZK, with a maximum reverse leakage current of 25μA at VR. It utilizes a SOT-323 molded plastic case.

Single Zener Diodes Feature Summary

• Planar die construction for reliable performance
• Designed ideally for automated assembly processes
• Compliant with EU RoHS 2002/95/EC directives

Single Zener Diodes Applications

• Voltage regulation in electronic circuits
• Voltage reference applications
• Overvoltage protection

Single Zener Diodes Procurement Notes

Verify the specific ordering suffix against manufacturer documentation to confirm packaging details such as reel size (e.g., 3K or 12K per reel) and tape specifications. Ensure that the component meets all required environmental compliance standards relevant to the target market. Cross-reference the part number with official datasheets to validate electrical parameters before finalizing procurement orders.

Single Zener Diodes Selection Notes

Select this component when a 33V Zener voltage is required in a compact SOT-323 package. Consider the 200mW power dissipation limit and ensure adequate thermal management for the application environment. Verify that the operating temperature range of -55°C to +150°C aligns with system requirements. Check the Zener impedance and leakage current specifications against circuit sensitivity needs.

Single Zener Diodes Part Context

This part belongs to the MMBZ5229AW series of surface mount silicon Zener diodes manufactured by Panjit International Inc. The series covers a voltage range from 4.3V to 51V. These diodes are designed for general-purpose voltage regulation and reference applications in consumer electronics and industrial equipment, offering a balance of performance and compact form factor.

Single Zener Diodes Replacement Considerations

Consult official substitution lists for verified equivalents. Generic replacements may differ in impedance, leakage, or package dimensions.

Single Zener Diodes FAQ

What is the marking code for the MMBZ5257AW?

The marking code for the MMBZ5257AW is M2.

What is the maximum reverse leakage current specified for this device?

The maximum reverse leakage current is 25μA at VR.