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1N4738 AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

1N4738 product

1N4738

Diodes - Zener - Single

Zener DiodeThrough-Hole1W

The 1N4738 is a 1W Zener diode with a nominal voltage of 8.2V, packaged in a DO-41 axial lead format.

Best for

  • Voltage regulation
  • General purpose clamping

Avoid if

  • Space-constrained surface mount designs

Check before use

  • Lead temperature derating

Key specifications

Nominal Zener Voltage
8.2 V
Power Dissipation
1 W
Zener Impedance
4.5 Ohm

Compliance & Environment

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

Application

Power SuppliesGeneral Electronics

Datasheet

DSA831000-18.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for 1N4738: 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

Real-time and catalog pricing from verified distributors

Live prices updated on demand · Catalog (~) prices may differ

Alternative components

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

Design and risk insights

Questions & answers

The 1N4738 is a 1-watt silicon Zener diode from EIC Semiconductor, designed for voltage regulation and surge protection in through-hole applications.