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

AI summary

1SMA4739A product

1SMA4739A

Diodes - Zener - Single

Zener Diode1WSMA9.1V

The 1SMA4739A is a 1W surface-mount Zener diode with a 9.1V nominal voltage, designed for voltage regulation in compact electronic circuits.

Best for

  • Voltage regulation
  • Overvoltage protection

Avoid if

  • Applications requiring precision voltage references with extremely low noise

Check before use

  • Thermal derating curve at temperatures above 75°C

Key specifications

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

Compliance & Environment

RoHS
Compliant
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

General Power Regulation

Datasheet

2a6475bf9473b49b2fdc172a3819277e_2208101800_TWGMC-1SMA4739A_C4154512.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for 1SMA4739A: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol
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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
Verified KiCad 8 symbol, footprint, and 3D model
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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 1.0W silicon planar Zener diode housed in a surface-mount SMA (DO-214AC) package.