SMPZ3923B-M3/85A

Single Zener Diodes Overview

The SMPZ3923B-M3/85A is a surface mount power voltage-regulating diode from the Vishay eSMP series, housed in an SMP (DO-220AA) package. It provides a nominal Zener voltage of 8.2 V with a tolerance range of 7.79 V to 8.61 V at a test current of 45.7 mA. The device supports a maximum DC Zener current of 183 mA and dissipates up to 1500 mW at a lead temperature of 75 °C. Key electrical characteristics include a maximum Zener impedance of 3.5 Ω and a reverse leakage current of 50 μA at 6.5 V.

Single Zener Diodes Feature Summary

• Very low profile construction with a typical height of 1.0 mm
• Low Zener impedance and low regulation factor for stable performance
• Halogen-free, RoHS-compliant base part number suitable for industrial grade applications
• Meets MSL level 1 per J-STD-020 with a LF maximum peak soldering temperature of 260 °C

Single Zener Diodes Applications

• General purpose voltage regulation
• Industrial circuit protection
• Reference voltage generation

Single Zener Diodes Procurement Notes

Verify the specific ordering suffix /85A corresponds to the required delivery mode and base quantity. Confirm that the component meets the necessary environmental compliance standards for the target application. Ensure the procurement channel is authorized to provide genuine Vishay Semiconductors products with valid traceability documentation.

Single Zener Diodes Selection Notes

Select this component when a compact surface mount solution is required for power regulation tasks. The SMP package offers a balance of thermal dissipation and space efficiency. Consider the specific Zener voltage tolerance and impedance requirements to ensure compatibility with the circuit design constraints.

Single Zener Diodes Part Context

This part belongs to the SMPZ39XB through SMPZ3940B family of surface mount power voltage-regulating diodes. The series covers a wide range of Zener voltages from 5.6 V to 43 V within the same mechanical footprint. The eSMP branding indicates a specialized surface mount technology optimized for automated placement processes.

Single Zener Diodes Replacement Considerations

Direct substitutes within the same Vishay eSMP series include SMPZ3922B-M3/85A and SMPZ3924B-M3/85A. Verify that any replacement maintains the required voltage tolerance and power dissipation capabilities for the specific application environment.