ProjectsPricingInsights

1SMA4742A AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

1SMA4742A product

1SMA4742A

Diodes - Zener - Single

Zener Diode12V1WSMA

The 1SMA4742A is a 1.0W Zener diode with a 12V nominal voltage, housed in a compact SMA (DO-214AC) surface-mount package.

Best for

  • Voltage regulation
  • Transient voltage suppression

Avoid if

  • Applications requiring precision voltage references with very low noise

Check before use

  • Thermal dissipation requirements on the PCB

Key specifications

Nominal Voltage
12 V
Power Rating
1.0 W
Package
SMA (DO-214AC)

Compliance & Environment

RoHS
Compliant
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

Power SuppliesGeneral Regulation

Datasheet

a33a782b4d4df12b92ca8af5fd5308d0_2404021724_FOSAN-1SMA4742A_C5353097.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for 1SMA4742A: 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 glass-passivated Zener diode designed for surface-mount applications, providing stable voltage regulation at 12V.