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1N4742A AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

1N4742A product

1N4742A

Diodes - Zener - Single

Zener Diode12V1W

The 1N4742A is a standard 1W, 12V Zener diode in a DO-41 axial package, widely used for voltage regulation.

Best for

  • Voltage regulation
  • Overvoltage protection

Avoid if

  • High-density surface mount designs (requires axial mounting)

Check before use

  • Thermal derating requirements

Key specifications

Zener Voltage
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

PowerGeneral

Datasheet

Fairchild-Semiconductor-company-11.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for 1N4742A: 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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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 1W Zener diode with a nominal Zener voltage of 12V, commonly used in voltage regulation circuits.