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SM4742A AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

SM4742A product

SM4742A

Diodes - Zener - Single

Zener Diode12VSMAF

The SM4742A is a 12V, 1W surface mount Zener diode in an SMAF package, ideal for general-purpose voltage regulation.

Best for

  • Voltage regulation
  • General-purpose circuit protection

Avoid if

  • Applications requiring extremely low Zener impedance
  • High-power applications exceeding 1W

Check before use

  • Thermal derating curve based on lead temperature

Key specifications

Nominal Zener Voltage
12 V
Power Dissipation
1 W
Package
SMAF

Compliance & Environment

RoHS
-
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

General voltage regulation

Datasheet

99ee269efd1a344e756243fbf0e1bd8b_2207081800_ST-Semtech-SM4742A_C3249913.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for SM4742A: 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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Alternative components

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

Design and risk insights

Questions & answers

The SM4742A is a silicon Zener diode designed for surface mount applications, providing a stable 12V reference voltage.