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1SMA4739A AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

1SMA4739A product

1SMA4739A

Diodes - Zener - Single

Zener Diode9.1V1WSMA

The 1SMA4739A is a 9.1V, 1W Zener diode in an SMA package, suitable for general-purpose voltage regulation and protection circuits.

Best for

  • Voltage regulation
  • Circuit protection

Avoid if

  • Applications requiring extremely low leakage or high-precision voltage references

Check before use

  • Thermal dissipation requirements on the PCB

Key specifications

Nominal Zener Voltage
9.1 V
Power Dissipation
1 W
Package
SMA (DO-214AC)

Compliance & Environment

RoHS
Compliant
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

PowerGeneral

CAD Models

Download ECAD models for 1SMA4739A: 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 9.1V Zener diode designed for surface-mount applications, capable of dissipating up to 1W of power.