ProjectsPricingInsights

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

AI summary

1SMA4739A product

1SMA4739A

Diodes

Zener Diode1W9.1VSMA

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

Best for

  • Voltage regulation
  • Surge suppression

Avoid if

  • High-precision reference applications requiring ultra-low drift

Check before use

  • Thermal derating requirements

Key specifications

Nominal Zener Voltage
9.1 V
Power Dissipation
1 W
Dynamic Impedance
5 Ω

Compliance & Environment

RoHS
Compliant
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

Power SuppliesConsumer Electronics

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
Schematic symbol for your EDA tool
Get Files
PCB Footprint
Land pattern for PCB layout
Get Files
3D Model
STEP file for mechanical design
Get Files
KiCad Library
Verified KiCad 8 symbol, footprint, and 3D model
Generate library

Login required · CAD models billed separately as an add-on

Where to Buy

Real-time and catalog pricing from verified distributors

Live prices updated on demand · Catalog (~) prices may differ

Alternative components

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

Design and risk insights

Questions & answers

It is a surface-mount Zener diode with a nominal breakdown voltage of 9.1V and a power dissipation rating of 1W.