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1SMA5931H AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

1SMA5931H product

1SMA5931H

Diodes - Zener - Single

Zener Diode18V1.5WSMA

The 1SMA5931H is a 1.5W, 18V Zener diode in an SMA package, suitable for voltage regulation in automotive and industrial power supplies.

Best for

  • Automotive power systems
  • SMPS
  • DC/DC converters

Avoid if

  • Applications requiring power dissipation significantly above 1.5W

Check before use

  • Thermal derating requirements at high ambient temperatures

Key specifications

Nominal Zener Voltage
18 V
Power Dissipation
1.5 W
Tolerance
±5%

Compliance & Environment

RoHS
ROHS3 Compliant
REACH
REACH Unaffected
MSL
1 (Unlimited)
ECCN
EAR99
HTSUS
8541.10.0050

Application

Power Supply

CAD Models

Download ECAD models for 1SMA5931H: 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

It is a 1.5W surface-mount Zener diode with a nominal Zener voltage of 18V, designed for voltage regulation.