UDZVFHTE-173.0B

Single Zener Diodes Overview

The UDZVFHTE-173.0B is a single Zener diode manufactured by ROHM Semiconductor, designed for surface-mount applications in the UMD2 package (SOD-323FL). It features a nominal Zener voltage of 3 V with a tolerance of ±3.5%. The device supports a maximum power dissipation of 200 mW and operates within a junction temperature range up to 150°C. Key electrical characteristics include a test current of 5 mA, a maximum reverse leakage current of 50 µA at 1 V, and a Zener impedance of 120 Ohms. It holds AEC-Q101 qualification for automotive reliability.

Single Zener Diodes Feature Summary

• Automotive-grade reliability certified under AEC-Q101 standards
• Compact SMD footprint utilizing the UMD2 (SOD-323FL) package
• High thermal stability supporting operation up to 150°C junction temperature

Single Zener Diodes Applications

• Voltage reference circuits in automotive electronics
• Over-voltage protection stages in vehicle control modules
• Clamping applications in low-power signal conditioning

Single Zener Diodes Procurement Notes

Verify component authenticity through authorized distribution channels or direct manufacturer engagement. Confirm that the received parts match the specific ordering code UDZVFHTE-173.0B and bear appropriate marking codes. Ensure storage conditions comply with moisture sensitivity level requirements prior to soldering. Request batch-specific documentation to validate AEC-Q101 compliance status for critical automotive implementations.

Single Zener Diodes Selection Notes

Select this component when a precise 3 V reference is required in space-constrained automotive designs. The UMD2 package offers a small profile suitable for high-density PCB layouts. Consider the 200 mW power rating and 120 Ohm impedance for circuit stability. Verify that the ±3.5% voltage tolerance aligns with system accuracy requirements before finalizing the design.

Single Zener Diodes Part Context

This part belongs to the UDZVFHTE series of Zener diodes from ROHM Semiconductor. The series is characterized by its automotive qualification and compact surface-mount packaging. It serves as a specialized solution for voltage regulation tasks where size and reliability are paramount. The product line targets applications requiring robust performance under varying thermal conditions typical of automotive environments.

Single Zener Diodes Replacement Considerations

UDZVFH3.0B is listed as an alias for this component. No other distinct substitute part numbers are confirmed in the provided data.