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

AI summary

1SMA4742A product

1SMA4742A

Zener Diodes

Zener Diode12VSMAVoltage Regulation

The 1SMA4742A is a 12V, 1W Zener diode in an SMA surface-mount package, suitable for general voltage regulation.

Best for

  • Voltage regulation
  • Overvoltage protection

Avoid if

  • High-power applications exceeding 1W dissipation
  • Space-constrained designs requiring smaller than SMA packages

Check before use

  • Thermal derating based on PCB layout
  • Reverse leakage current requirements

Key specifications

Nominal Vz
12 V
Power Rating
1 W
Package
SMA (DO-214AC)

Compliance & Environment

RoHS
-
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

General Power 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
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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

The 1SMA4742A is a surface-mount Zener diode from FOSAN, featuring a nominal Zener voltage of 12V and a power dissipation rating of 1W at a lead temperature of 75°C.