BZG05C39TR

Single Zener Diodes Overview

The BZG05C39TR is a single unidirectional silicon Zener diode from the Vishay BZG05C-Series, housed in a DO-214AC (SMA) surface-mount package. It provides a nominal Zener voltage of 39 V with a tolerance of ±5%. The device operates at a test current of 0.25 mA and features a maximum dynamic impedance of 50 Ω. Rated for a continuous power dissipation of 1.25 W under standard thermal conditions, it withstands non-repetitive peak surge power up to 60 W. The component supports a junction temperature range up to 150 °C and is available in tape-and-reel packaging.

Single Zener Diodes Feature Summary

• High reliability construction suitable for demanding electronic environments
• AEC-Q101 qualified automotive-grade variants available within the series
• Compatible with wave and reflow soldering processes for automated assembly
• Designed to fit onto compact 5 mm SMD footpads

Single Zener Diodes Applications

• Voltage stabilization circuits
• Surge protection applications
• General-purpose rectification and clamping

Single Zener Diodes Procurement Notes

Verify that the specific ordering code matches the required qualification level, as commercial grade (-E3) and AEC-Q101 qualified (-HE3) variants exist within the same series. Confirm the reel size corresponds to your manufacturing equipment, as options include 7-inch reels containing 1500 units or 13-inch reels containing 6000 units. Ensure the final part number suffix accurately reflects the desired packaging configuration before placing orders.

Single Zener Diodes Selection Notes

Select this component when a precise 39 V reference is needed in a space-constrained surface-mount design. The low forward voltage drop and defined leakage characteristics make it suitable for precision regulation tasks. Evaluate the thermal resistance requirements carefully, as the maximum power dissipation varies significantly based on the ambient temperature and the heat sinking provided by the PCB copper overlay.

Single Zener Diodes Part Context

This device belongs to the BZG05C-Series of high-reliability Zener diodes manufactured by Vishay Semiconductors. The series covers a broad voltage spectrum from 3.3 V to 100 V, offering designers flexibility in selecting components for various voltage regulation needs. All devices share the robust DO-214AC footprint, ensuring mechanical compatibility across different voltage ratings within the product family.

Single Zener Diodes Replacement Considerations

BZG05C39-HM3-08

Single Zener Diodes FAQ

What is the maximum non-repetitive peak surge power dissipation?

The device can withstand a non-repetitive peak surge power dissipation of 60 W for a square pulse duration of 100 μs.

How does the power rating change with ambient temperature?

The total power dissipation decreases as the ambient temperature increases, dropping from 1.25 W at 25 °C to lower values as the temperature approaches the maximum operating limit.