MMBZ5262BLT1G

Single Zener Diodes Overview

The MMBZ5262BLT1G is a single-channel Zener voltage regulator diode manufactured by onsemi, housed in a surface-mount SOT-23 package. It features a nominal Zener voltage of 51 V with a tolerance range of 48.45 V to 53.55 V at a test current of 2.5 mA. The device has a maximum power dissipation rating of 225 mW on an FR-5 board and operates within a junction temperature range of -65 °C to +150 °C. Electrical characteristics include a maximum dynamic impedance of 125 Ω at the test current and a reverse leakage current of 0.1 µA at 39 V.

Single Zener Diodes Feature Summary

• Provides precise voltage regulation using planar die construction for stable performance across operating conditions.
• Designed for automated board assembly processes with a compact SOT-23 footprint suitable for high-density applications.
• Offers robust electrostatic discharge protection rated at Class 3 (> 16 kV) per the Human Body Model.

Single Zener Diodes Applications

• Cellular phones
• Handheld portable devices
• High density PC boards

Single Zener Diodes Procurement Notes

Verify the specific part number suffix against official documentation to confirm packaging quantity and compliance status. Ensure that the ordering information matches the required tape and reel specifications. Confirm RoHS compliance and lead-free finish requirements prior to procurement. Cross-reference the manufacturer's latest datasheet revision to validate electrical parameters and mechanical dimensions.

Single Zener Diodes Selection Notes

Select this component when a 51 V reference is required in space-constrained designs utilizing the SOT-23 form factor. Consider the thermal resistance and derating curves if operation exceeds standard ambient temperatures. Evaluate the dynamic impedance and leakage current specifications against circuit sensitivity requirements. Verify compatibility with automated pick-and-place equipment due to the small package size.

Single Zener Diodes Part Context

This device belongs to the MMBZ52xxBLT1G series of Zener voltage regulators designed for surface mount applications. The series covers a wide voltage range from 2.4 V to 91 V, allowing for standardized inventory management across various voltage reference needs. The SOT-23 package provides a cost-effective solution for consumer electronics requiring minimal board space.

Single Zener Diodes Replacement Considerations

Direct replacements within the same series include other MMBZ52xxBLT1G variants with different voltage ratings. For automotive applications requiring unique site control, consider the SZMMBZ52xxBLT1G prefix which is AEC-Q101 qualified and PPAP capable. Verify pinout compatibility and thermal characteristics before substituting.