SZ5518 AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

SZ5518 product

SZ5518

Diodes - Zener - Single

Zener Diode3WSMA18V

The SZ5518 is a 3W surface mount Zener diode with an 18V nominal voltage, suitable for general-purpose voltage regulation in space-constrained PCB designs.

Best for

  • Voltage regulation
  • Circuit protection

Avoid if

  • Applications requiring extremely low power dissipation or non-standard footprints

Check before use

  • Thermal dissipation requirements at the target operating temperature

Key specifications

Nominal Zener Voltage
18 V
Power Dissipation
3 W
Package
SMA (DO-214AC)

Compliance & Environment

RoHS
Yes
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

Power ManagementGeneral Electronics

CAD Models

Download ECAD models for SZ5518: 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
Verified KiCad 8 symbol, footprint, and 3D model
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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 SZ5518 is a 3W silicon Zener diode in an SMA (DO-214AC) package, designed for surface mount applications with a nominal Zener voltage of 18V.