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1N4742ATR AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

1N4742ATR product

1N4742ATR

Diodes - Zener - Single

Zener Diode12V1WDO-41

The 1N4742ATR is a standard 12V, 1W Zener diode in a DO-41 package, widely used for voltage regulation.

Best for

  • Voltage regulation
  • Transient voltage suppression

Avoid if

  • High-density surface mount designs (requires through-hole)

Check before use

  • Thermal dissipation requirements

Key specifications

Nominal Vz
12 V
Power Rating
1 W
Tolerance
5%

Compliance & Environment

RoHS
ROHS3 Compliant
REACH
REACH Unaffected
MSL
Not Applicable
ECCN
EAR99
HTSUS
8541.10.0050

Application

Power Supply RegulationGeneral Purpose

Datasheet

Fairchild-Semiconductor-company-11.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for 1N4742ATR: 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
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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 12V, 1W Zener diode used for voltage regulation and surge protection, packaged in a DO-41 axial glass case.