BZD17C39P

Single Zener Diodes Overview

The BZD17C39P is a single silicon planar Zener diode manufactured by Taiwan Semiconductor Corporation. It provides a nominal Zener voltage of 39V with a maximum power dissipation of 500mW at 25°C ambient temperature. The device utilizes a Sub-SMA (SOD-128) surface-mount package, measuring 2.9mm in length, 1.9mm in width, and 1.43mm in height. It operates within a junction temperature range of -55°C to +175°C and features a dynamic impedance of 40 Ohms at a test current of 10mA.

Single Zener Diodes Feature Summary

• Utilizes planar die construction for enhanced reliability and robust performance under varying electrical conditions.
• Designed specifically for automated assembly processes, ensuring compatibility with standard surface-mount manufacturing lines.
• Encapsulated in lead-free epoxy resin that meets UL 94 V-0 flammability ratings for safety compliance.

Single Zener Diodes Applications

• Voltage regulation in low-power electronic circuits
• Protection against voltage transients in signal lines
• Reference voltage generation in measurement equipment

Single Zener Diodes Procurement Notes

Verify the specific suffix codes on the component marking to ensure alignment with the required tolerance and packaging configuration. Confirm RoHS compliance status and moisture sensitivity level requirements prior to procurement. Ensure the supplier provides traceable documentation matching the Taiwan Semiconductor part number to avoid counterfeit components.

Single Zener Diodes Selection Notes

Select this component when a 39V regulation point is required in space-constrained designs utilizing the Sub-SMA footprint. Consider the 500mW power rating and thermal resistance characteristics for heat dissipation needs. Evaluate the 40 Ohm dynamic impedance against circuit noise sensitivity requirements compared to lower-impedance alternatives.

Single Zener Diodes Part Context

This component belongs to the BZD17C series of surface-mount Zener diodes from Taiwan Semiconductor. The series offers various voltage options within the same compact Sub-SMA package, allowing designers to maintain consistent board layouts across different voltage regulation requirements while benefiting from standardized automated assembly processes.

Single Zener Diodes Replacement Considerations

Cross-reference with other manufacturers offering 39V Zener diodes in the SOD-128 or equivalent Sub-SMA package. Verify that replacement parts match the 500mW power dissipation, 40 Ohm dynamic impedance, and operating temperature range specifications to ensure functional equivalence.