SMPZ3925B-E3/84A

Single Zener Diodes Overview

The SMPZ3925B-E3/84A 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 10 V with a tolerance range of 9.5 V to 10.5 V at a test current of 37.5 mA. The device features a maximum Zener impedance of 4.5 Ω and a maximum reverse leakage current of 2.5 μA at 8.0 V. Rated for up to 1500 mW power dissipation at a lead temperature of 75 °C, it operates within a junction temperature range of -65 °C to +150 °C.

Single Zener Diodes Feature Summary

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

Single Zener Diodes Applications

• General purpose regulation
• Industrial applications
• Protection applications

Single Zener Diodes Procurement Notes

Verify compliance with specific environmental directives by consulting the manufacturer's documentation for REACH SVHC definitions. Confirm that the ordering suffix corresponds to the required delivery mode and base quantity. Ensure technical parameters are validated for the intended application environment before integration.

Single Zener Diodes Selection Notes

Select this component for designs requiring a compact surface-mount solution with stable voltage regulation. Consider the thermal resistance characteristics when determining heat dissipation requirements on the PCB. Verify that the operating voltage and current limits align with the circuit specifications to ensure reliable performance.

Single Zener Diodes Part Context

This part belongs to the SMPZ39XB through SMPZ3940B series of surface mount power voltage-regulating diodes manufactured by Vishay General Semiconductor. The series offers a wide range of Zener voltages from 5.6 V to 43 V in the SMP (DO-220AA) package, designed for automated placement and general-purpose regulation tasks.

Single Zener Diodes Replacement Considerations

Cross-reference with other Vishay eSMP series parts or equivalent DO-220AA packaged Zener diodes from other manufacturers. Ensure matching electrical characteristics, particularly Zener voltage tolerance and power dissipation ratings, before substitution.

Single Zener Diodes FAQ

What is the maximum power dissipation rating?

The maximum power dissipation is 1500 mW at a lead temperature of 75 °C and 500 mW at an ambient temperature of 25 °C.

Does the device meet moisture sensitivity standards?

Yes, the device meets MSL level 1 per J-STD-020 with a LF maximum peak temperature of 260 °C.