BZT52C51-HF

Single Zener Diodes Overview

The BZT52C51-HF is a single Zener diode manufactured by Comchip Technology, designed for surface-mount applications in the SOD-123 package. It features a nominal Zener voltage of 51 V with a 5% tolerance and a power dissipation rating of 500 mW. The device operates within a temperature range of -55°C to +150°C junction temperature. Key electrical parameters include a maximum reverse leakage current of 100 nA, a Zener impedance of 30 Ohms at a test current of 5 mA, and a forward voltage of 900 mV. The component has a voltage temperature coefficient of 11 mV/°C.

Single Zener Diodes Feature Summary

• Planar die construction for stable voltage regulation
• Low-profile SOD-123 package suitable for automated assembly
• Halogen-free compliant design

Single Zener Diodes Applications

• Voltage reference circuits
• Over-voltage protection
• Clamping applications

Single Zener Diodes Procurement Notes

Verify the specific datasheet revision and RoHS compliance status directly with Comchip Technology or authorized distributors before integration. Confirm that the SOD-123 footprint matches your PCB layout requirements. Ensure thermal management supports the 500 mW dissipation rating under expected operating conditions. Check for any specific handling instructions regarding ESD sensitivity during assembly.

Single Zener Diodes Selection Notes

Select this component when a precise 51 V reference is required in a compact surface-mount form factor. The 5% tolerance offers standard precision for general-purpose regulation. Consider the 500 mW power rating against peak pulse loads. The wide operating temperature range makes it suitable for industrial environments where thermal stability is critical for maintaining voltage accuracy.

Single Zener Diodes Part Context

This part belongs to the BZT52C series of Zener diodes from Comchip Technology. The series provides various voltage options housed in the low-profile SOD-123 package. These devices are designed for high-volume automated assembly processes. The series covers a broad range of Zener voltages, typically from 2 V to 75 V, offering flexibility for diverse circuit design needs.

Single Zener Diodes Replacement Considerations

Check for direct pin-compatible substitutes from other manufacturers offering identical 51 V, 500 mW specifications in SOD-123 packages. Verify equivalent Zener impedance and leakage current characteristics to ensure circuit performance parity.