MMBZ5245B-E3-18

Single Zener Diodes Overview

The MMBZ5245B-E3-18 is a single-channel Zener diode manufactured by Vishay General Semiconductor - Diodes Division. It features a nominal Zener voltage of 15 V with a tolerance of ±5%. The device is designed for surface mount installation in an SOT-23-3 package, offering a maximum power dissipation of 225 mW. Key electrical characteristics include a maximum Zener impedance of 16 Ohms and a maximum reverse leakage current of 100 nA at 11 V. The component operates within a temperature range of -55°C to +150°C.

Single Zener Diodes Feature Summary

• Provides precise voltage regulation with a nominal 15 V Zener potential and tight ±5% tolerance.
• Engineered for compact surface-mount applications using the standard SOT-23-3 footprint.
• Ensures low standby power consumption through minimal reverse leakage current specifications.

Single Zener Diodes Applications

• Voltage reference circuits requiring stable 15 V levels
• Overvoltage protection stages in portable electronics
• Clamping applications in signal conditioning paths

Single Zener Diodes Procurement Notes

Verify component authenticity and datasheet revisions before integration. Confirm that the SOT-23-3 package dimensions match your PCB layout constraints. Ensure thermal management strategies account for the 225 mW power dissipation limit under worst-case operating conditions. Check for RoHS compliance status if required by your manufacturing standards.

Single Zener Diodes Selection Notes

Select this component when a 15 V regulation point is needed in space-constrained designs. The SOT-23-3 package offers a balance between thermal performance and board area efficiency. Consider the 16 Ohm impedance value for dynamic load requirements. Evaluate the 100 nA leakage current against sensitive input stage requirements.

Single Zener Diodes Part Context

This part belongs to the MMBZ52xx series of small-signal Zener diodes from Vishay. These components are widely used in consumer electronics and industrial control systems where reliable voltage clamping is essential. The E3 suffix indicates lead-free termination compliant with environmental directives.

Single Zener Diodes Replacement Considerations

Direct substitutes include CZRT5245B-G from Comchip Technology. Parameter-equivalent alternatives may be found among other manufacturers offering 15 V Zener diodes in SOT-23 packages. Verify pinout compatibility and thermal characteristics before substitution.