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1N4743A AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

1N4743A product

1N4743A

Diodes - Zener - Single

Zener Diode13V1WDO-41

The 1N4743A is a standard 1W, 13V Zener diode in a DO-41 axial package, ideal for general-purpose voltage regulation.

Best for

  • Voltage regulation
  • General-purpose circuit protection

Avoid if

  • Space-constrained designs requiring SMD components

Check before use

  • Thermal dissipation requirements
  • Lead length and mounting orientation

Key specifications

Nominal Zener Voltage
13 V
Power Rating
1 W
Tolerance
±5%
Package
DO-41

Compliance & Environment

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

Application

Voltage RegulationGeneral Electronics

CAD Models

Download ECAD models for 1N4743A: 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 1N4743A is a silicon Zener diode manufactured by EIC Semiconductor, designed for voltage regulation with a nominal Zener voltage of 13V and a power dissipation rating of 1 Watt.