CZRB5378B-HF

Single Zener Diodes Overview

The CZRB5378B-HF is a single Zener diode manufactured by Comchip Technology, designed for surface-mount applications. It features a DO-214AA (SMB) package and provides a nominal Zener voltage of 100 V with a power dissipation rating of 5 W. The device exhibits a maximum reverse leakage current of 500 nA and a Zener impedance of 65 ohms at a test current of 15 mA. It operates within a temperature range of -55 °C to +150 °C and maintains a voltage tolerance of 5%.

Single Zener Diodes Feature Summary

• Halogen-free construction compliant with environmental standards
• Planar die design for stable voltage regulation
• High thermal stability suitable for demanding environments

Single Zener Diodes Applications

• Voltage reference circuits requiring high power handling
• Overvoltage protection in industrial equipment
• Power supply regulation systems

Single Zener Diodes Procurement Notes

Verify the specific datasheet version for the CZRB5378B-HF to confirm exact electrical tolerances and mechanical dimensions before integration. Ensure that the DO-214AA footprint matches your PCB layout requirements. Confirm halogen-free status if required by your assembly specifications. Cross-reference with official manufacturer documentation to validate performance characteristics under your specific operating conditions.

Single Zener Diodes Selection Notes

Select this component when a 100 V Zener voltage with 5 W power dissipation is required in an SMB package. Consider the 65 ohm impedance and 500 nA leakage current against circuit sensitivity requirements. Evaluate the -55 °C to +150 °C operating range against environmental constraints. Compare against lower power alternatives if space or thermal management is limited.

Single Zener Diodes Part Context

This part belongs to Comchip Technology's CZRB series of high-power Zener diodes housed in the DO-214AA package. The series is characterized by planar die construction and halogen-free materials. It serves as a robust solution for voltage regulation and protection tasks where higher power handling capabilities are necessary compared to standard small-signal diodes.

Single Zener Diodes Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source data. Verify compatibility with equivalent 100 V 5 W SMB Zener diodes from other manufacturers based on pinout and electrical specifications.