SML4747AHE3_A/H

Single Zener Diodes Overview

The SML4747AHE3_A/H is a surface mount Zener diode from Vishay Semiconductors, housed in an SMA (DO-214AC) package. It features a nominal Zener voltage of 20 V with a standard tolerance of ±5%. The device operates within a junction temperature range of -65 °C to +150 °C and supports a maximum continuous power dissipation of 1 W at 75 °C. It is AEC-Q101 qualified and RoHS compliant.

Single Zener Diodes Feature Summary

• Low Zener impedance for stable regulation
• High temperature soldering capability up to 260 °C
• UL 94 V-0 flammability rating plastic package

Single Zener Diodes Applications

• Surface mounted electronic circuits
• Voltage reference applications
• Overvoltage protection

Single Zener Diodes Procurement Notes

Verify the specific ordering code suffix against the manufacturer's documentation to confirm the exact tape and reel configuration. Ensure that the component meets the required AEC-Q101 qualification standards if automotive compliance is necessary for the intended application environment.

Single Zener Diodes Selection Notes

Select this component when a precise 20 V reference is needed in a compact SMA footprint. Consider the ±5% tolerance and low dynamic resistance characteristics for applications requiring tight voltage regulation under varying test currents.

Single Zener Diodes Part Context

This part belongs to the SML4738 to SML4764A series of surface mount Zener diodes. The series covers a wide voltage range from 8.2 V to 100 V, offering various options for different circuit requirements while maintaining consistent mechanical and thermal performance profiles.

Single Zener Diodes Replacement Considerations

SML4747A-E3/5A