BZT52B18-HF

Single Zener Diodes Overview

The BZT52B18-HF is a surface-mount silicon Zener diode manufactured by Comchip Technology. It provides a nominal Zener voltage of 18 V with a tolerance of ±5%. The device features a planar die construction and offers a power dissipation rating of 410 mW. It is housed in the SOD-123 package, designed for automated assembly processes. The component operates within a temperature range of -65 °C to +150 °C and complies with EU RoHS directives.

Single Zener Diodes Feature Summary

• Planar die construction for reliable performance
• SOD-123 package optimized for automated assembly
• Compliance with EU RoHS environmental directives

Single Zener Diodes Applications

• Voltage regulation circuits
• Overvoltage protection
• Reference voltage generation

Single Zener Diodes Procurement Notes

Verify the specific datasheet revision and electrical parameter tolerances directly from the manufacturer before integration. Confirm that the SOD-123 footprint matches the design layout. Ensure compliance requirements align with project specifications regarding material restrictions and operating temperature ranges.

Single Zener Diodes Selection Notes

Select this component when a 18 V reference or regulation point is required in a compact surface-mount design. The 410 mW power rating suits low-current applications. Verify that the ±5% tolerance meets circuit precision needs. Consider thermal management if ambient temperatures approach the maximum limit.

Single Zener Diodes Part Context

This part belongs to the BZT52 series of single Zener diodes. The series covers various voltage ratings within the SOD-123 package. It serves as a standard solution for general-purpose voltage clamping and regulation in consumer and industrial electronics where space efficiency is prioritized.

Single Zener Diodes Replacement Considerations

Cross-reference with other manufacturers offering identical SOD-123 packaged Zener diodes rated at 18 V and approximately 400 mW. Verify pinout compatibility and ensure equivalent electrical characteristics such as impedance and leakage current.