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

AI summary

1N4742A product

1N4742A

Diodes - Zener - Single

Zener Diode12V1WDO-41

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

Best for

  • Voltage regulation
  • General purpose clamping

Avoid if

  • High-density surface mount applications

Check before use

  • Lead temperature derating

Key specifications

Nominal Zener Voltage
12 V
Power Dissipation
1 W
Tolerance
±5%

Compliance & Environment

RoHS
ROHS3 Compliant
REACH
-
MSL
1 (Unlimited)
ECCN
-
HTSUS
8541.10.0000

Application

Power SuppliesGeneral Electronics

Datasheet

DSA-697900.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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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

The 1N4742A is a 1-watt silicon Zener diode with a nominal Zener voltage of 12V, packaged in a DO-41 axial lead format.