BZX79C68

Single Zener Diodes Overview

The BZX79C68 is a single Zener diode manufactured by Taiwan Semiconductor Corporation, designed for voltage regulation and reference applications. It features a nominal Zener voltage of 68 V with a tolerance of ±5%. The device supports a maximum power dissipation of 500 mW and operates within an extended temperature range from -65°C to +175°C. Packaged in the DO-35-2 axial leaded format, it ensures reliable performance through hermetically sealed glass passivation.

Single Zener Diodes Feature Summary

• Hermetically sealed glass passivation provides parameter stability and protection against junction contamination.
• Lead-free construction compliant with RoHS standards for environmentally safe integration.
• High reliability design ensuring stable electrical characteristics across the specified operating temperature range.

Single Zener Diodes Applications

• Voltage regulation circuits
• Voltage reference sources
• Overvoltage protection

Single Zener Diodes Procurement Notes

Verify the specific suffix or variant code when sourcing, as manufacturers may update packaging or compliance markings without changing the core electrical function. Confirm that the received component matches the DO-35 package style and 68 V specification. Check datasheets for any recent Product Change Notifications regarding material composition or testing procedures to ensure compatibility with existing designs.

Single Zener Diodes Selection Notes

Select this component for through-hole applications requiring a standard 68 V reference point. Ensure the circuit design accounts for the 500 mW power limit and the thermal environment. Compare leakage current and impedance specifications against similar parts if low-power standby modes are critical. Verify that the axial lead configuration fits the target PCB layout constraints.

Single Zener Diodes Part Context

This part belongs to the BZX79 series of small signal Zener diodes offered by Taiwan Semiconductor. The series covers a wide voltage range with consistent mechanical dimensions. The BZX79C68 specifically targets mid-range voltage requirements, offering a balance between breakdown precision and power handling suitable for general-purpose electronic equipment.

Single Zener Diodes Replacement Considerations

Cross-reference with other manufacturers' DO-35 packaged Zener diodes rated at 68 V and 500 mW. Verify pinout orientation and physical dimensions before substitution. Note that while electrical parameters may align, thermal resistance and long-term reliability characteristics can vary between different production facilities.