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1SMA5921A AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

1SMA5921A product

1SMA5921A

Diodes - Zener - Single

Zener Diode1.5W6.8VSMA

The 1SMA5921A is a 1.5W surface-mount Zener diode with a 6.8V nominal voltage, housed in an SMA (DO-214AC) package.

Best for

  • Voltage regulation
  • Surge protection
  • Clamping circuits

Avoid if

  • Applications requiring extremely low power dissipation
  • Space-constrained designs where SMA is too large

Check before use

  • Lead temperature derating
  • Reverse leakage requirements

Key specifications

Zener Voltage
6.8 V
Power Dissipation
1.5 W
Package
SMA (DO-214AC)

Compliance & Environment

RoHS
Compliant
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

Power ManagementIndustrial Electronics

CAD Models

Download ECAD models for 1SMA5921A: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol
Schematic symbol for your EDA tool
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PCB Footprint
Land pattern for PCB layout
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3D Model
STEP file for mechanical design
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KiCad Library
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Where to Buy

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Alternative components

Alternatives are being enriched. Analyze this part in PartGenie for the latest matches.

Design and risk insights

Questions & answers

The 1SMA5921A is a silicon Zener diode designed for voltage regulation and surge protection, featuring a 1.5W power dissipation rating and a 6.8V nominal Zener voltage.