LLZ5234B

Single Zener Diodes Overview

The LLZ5234B is a hermetically sealed glass Zener voltage regulator manufactured by Taiwan Semiconductor Corporation. It features a nominal Zener voltage of 6.2V with a tolerance of 5%. The device is rated for a maximum power dissipation of 0.5W (500mW) and exhibits a maximum dynamic impedance of 7 Ohms at the specified test current. It operates within a temperature range of -65°C to +200°C. The component utilizes a Mini MELF package, ensuring corrosion-resistant external surfaces and solderable leads suitable for automated placement.

Single Zener Diodes Feature Summary

• Hermetically sealed glass construction providing high reliability and environmental resistance
• Compression bonded design with corrosion-resistant external surfaces
• Solderable leads compatible with automated placement processes
• Matte tin lead finish compliant with RoHS standards

Single Zener Diodes Applications

• Voltage regulation in precision electronic circuits
• Overvoltage protection for sensitive semiconductor components
• Reference voltage sources in measurement instrumentation

Single Zener Diodes Procurement Notes

Verify the specific ordering suffix to confirm exact packaging and tape-and-reel specifications. Confirm RoHS compliance status and matte tin lead finish requirements against project specifications. Ensure the Mini MELF package dimensions align with PCB footprint constraints. Validate that the hermetic seal integrity meets environmental operating conditions. Check for any automotive qualification requirements if applicable to the target application.

Single Zener Diodes Selection Notes

Select this component when hermetic sealing and high-temperature stability are required. The 6.2V nominal voltage suits standard reference applications. The 0.5W power rating allows for moderate current handling in compact designs. Consider the Mini MELF form factor for space-constrained layouts requiring robust mechanical performance. Verify compatibility with automated assembly equipment due to the specific package geometry.

Single Zener Diodes Part Context

This part belongs to the LLZ52xxB series of small signal Zener diodes from Taiwan Semiconductor. The series offers a wide voltage range from 2.4V to 56V in a consistent Mini MELF package. These regulators are designed for general-purpose voltage regulation where reliability and size are critical factors. The hermetic glass construction distinguishes them from plastic-packaged alternatives.

Single Zener Diodes Replacement Considerations

Cross-reference with LLZ5234B-L0L1G or similar variants from the same manufacturer family. Verify pinout compatibility and thermal characteristics before substitution. Ensure equivalent Zener voltage tolerance and power dissipation ratings are maintained.