TZM5246B-GS18

Single Zener Diodes Overview

The TZM5246B-GS18 is a single Zener diode manufactured by Vishay General Semiconductor - Diodes Division. It features a nominal Zener voltage of 16 V with a tolerance of ±5%. The device is rated for a maximum power dissipation of 500 mW and exhibits a maximum Zener impedance (Zzt) of 17 Ohms. Reverse leakage current is specified at 100 nA when measured at 12 V. The forward voltage drop is 1.5 V at a forward current of 200 mA. Designed for surface mount applications, it utilizes the SOD-123 package. The component operates within a junction temperature range of -55°C to 150°C.

Single Zener Diodes Feature Summary

• Provides stable voltage regulation with a nominal 16 V breakdown characteristic.
• Engineered for high-reliability automotive environments through AEC-Q101 qualification.
• Utilizes a compact SOD-123 surface-mount footprint for automated assembly.

Single Zener Diodes Applications

• Automotive electronic circuits requiring robust voltage reference stability.
• General-purpose voltage clamping and protection in industrial control systems.
• Over-voltage protection stages in consumer electronics power supplies.

Single Zener Diodes Procurement Notes

Verify the specific suffix GS18 against official Vishay documentation to confirm the exact tape-and-reel packaging configuration and RoHS compliance status. Ensure that the ordering quantity aligns with standard manufacturer reel sizes to avoid partial reel handling issues. Cross-reference the datasheet revision date to confirm the accuracy of electrical parameters before finalizing procurement specifications.

Single Zener Diodes Selection Notes

Select this component when a precise 16 V regulation point is required in space-constrained designs utilizing the SOD-123 form factor. The AEC-Q101 certification makes it suitable for automotive applications where thermal stability and long-term reliability are critical. Compare the 17 Ohm impedance specification against circuit requirements to ensure adequate regulation performance under varying load conditions.

Single Zener Diodes Part Context

This part belongs to the TZM series of single Zener diodes from Vishay, which are specifically designed for surface-mount technology. The series offers various voltage options within a standardized small outline package, facilitating easy integration into modern printed circuit boards. The SOD-123 package provides a balance between thermal performance and minimal board space consumption.

Single Zener Diodes Replacement Considerations

Publicly confirmed substitute part numbers include MMSZ5246B-E3-18 and DDZ16S-7. Verify pinout compatibility and thermal characteristics before substitution.

Single Zener Diodes FAQ

What is the maximum reverse leakage current for the TZM5246B-GS18?

The maximum reverse leakage current is 100 nA, measured at a reverse voltage of 12 V.

Is the TZM5246B-GS18 qualified for automotive applications?

Yes, the component is AEC-Q101 qualified, indicating suitability for automotive electronic environments.