SML4738AHE3_A/H

Single Zener Diodes Overview

The SML4738AHE3_A/H is a surface mount Zener diode manufactured by Vishay General Semiconductor - Diodes Division. It features an SMA (DO-214AC) package and provides a nominal Zener voltage of 8.2 V with a maximum tolerance of ±5%. The device supports a test current of 31 mA and offers a power dissipation rating of 1000 mW at 75 °C. It is AEC-Q101 qualified for automotive applications, RoHS compliant, and operates within a junction temperature range of -65 °C to +150 °C.

Single Zener Diodes Feature Summary

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

Single Zener Diodes Applications

• Surface mounted circuit protection
• Voltage reference circuits
• Automotive electronics systems

Single Zener Diodes Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm that the specific ordering code matches the required AEC-Q101 qualification and ±5% voltage tolerance suffix. Ensure storage conditions comply with moisture sensitivity level 1 requirements prior to assembly.

Single Zener Diodes Selection Notes

Select this component when precise voltage regulation is required in space-constrained designs utilizing the SMA footprint. Consider the thermal derating curve for power dissipation above 75 °C ambient temperature. Verify compatibility with peak reflow temperatures during PCB assembly processes.

Single Zener Diodes Part Context

This part belongs to the SML4738 to SML4764A series of surface mount Zener diodes. The HE3 designation indicates RoHS compliance and lead-free construction, while the _A suffix specifies the tighter ±5% voltage tolerance compared to the standard ±10% option.

Single Zener Diodes Replacement Considerations

SML4738HE3_B/H