LLZ5258B

Single Zener Diodes Overview

The LLZ5258B is a single Zener diode manufactured by Taiwan Semiconductor, designed for surface mount applications in the MMELF package. It features a nominal Zener voltage of 36 V with a 5% tolerance and a power dissipation rating of 500 mW. The device operates within a temperature range of -65 °C to +200 °C, ensuring stability under extreme conditions. Key electrical characteristics include a maximum reverse leakage current of 100 nA, a Zener impedance of 70 Ohms, and a test current of 3.4 mA.

Single Zener Diodes Feature Summary

• Provides stable voltage regulation through precise Zener breakdown characteristics.
• Engineered for high-temperature reliability with an extended operating range up to 200 °C.
• Utilizes a compact surface-mount form factor suitable for automated assembly processes.

Single Zener Diodes Applications

• Voltage reference circuits requiring stable DC levels
• Overvoltage protection stages in electronic systems
• Clamping applications in signal processing paths

Single Zener Diodes Procurement Notes

Verify component authenticity by checking manufacturer markings against official datasheets. Confirm package integrity and lead condition prior to installation. Ensure storage conditions comply with moisture sensitivity levels to prevent soldering defects during reflow processes.

Single Zener Diodes Selection Notes

Select this component when a 36 V regulation point is required in space-constrained designs. The MMELF package offers a balance between thermal performance and board area efficiency. Consider the high maximum junction temperature capability for environments with limited cooling options.

Single Zener Diodes Part Context

This part belongs to the standard Zener diode family produced by Taiwan Semiconductor. It serves as a fundamental passive component for voltage control and protection tasks. The LLZ5258B designation specifically identifies the 36 V variant within the broader series of surface-mount regulatory devices.

Single Zener Diodes Replacement Considerations

Cross-reference with other manufacturers offering identical 36 V Zener specifications in compatible packages. Verify pinout compatibility and thermal resistance values before substituting to ensure circuit performance remains unchanged.