PTZTFTE253.9B

Single Zener Diodes Overview

The PTZTFTE253.9B is a single Zener diode manufactured by ROHM Semiconductor, designed for surface-mount applications in the DO-214AC (SMB) package. It features a nominal Zener voltage of 4.15 V with a tolerance of ±6.02% and a maximum power dissipation of 1 W. The device operates within a temperature range of -55°C to +150°C and meets AEC-Q101 automotive qualification standards. Key electrical parameters include a maximum reverse leakage current of 10 µA and a Zener impedance of 20 Ohms at a test current of 10 mA.

Single Zener Diodes Feature Summary

• Automotive-grade reliability certified under AEC-Q101 standards
• High thermal stability supporting operation up to 150°C junction temperature
• Compact surface-mount design in DO-214AC package for space-constrained PCBs

Single Zener Diodes Applications

• Voltage regulation in automotive electronic control units
• Over-voltage protection circuits in industrial systems
• Reference voltage sources in precision measurement equipment

Single Zener Diodes Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm AEC-Q101 certification status and RoHS compliance documentation prior to integration. Ensure storage conditions maintain moisture sensitivity level integrity. Cross-reference datasheet revisions to confirm parameter consistency with design requirements.

Single Zener Diodes Selection Notes

Select this component when a stable 4.15 V reference is required in high-reliability environments. The 1 W power rating supports moderate current handling in compact packages. Consider the ±6.02% voltage tolerance for circuit design margins. The AEC-Q101 qualification makes it suitable for automotive applications requiring stringent quality standards.

Single Zener Diodes Part Context

This part belongs to ROHM's PTZTF series of surface-mount Zener diodes. The series offers various voltage options in the DO-214AC package, providing designers with standardized solutions for voltage regulation and protection. The 'E' suffix typically indicates specific tape-and-reel packaging configurations for automated assembly processes.

Single Zener Diodes Replacement Considerations

Direct substitutes may include other 4.15 V Zener diodes in DO-214AC packages from manufacturers like Vishay or ON Semiconductor, provided they meet AEC-Q101 requirements. Verify pinout compatibility and thermal characteristics before substitution.