ProjectsPricingInsights

SZ1518 AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

SZ1518 product

SZ1518

Diodes - Zener - Single

Zener Diode1W18VSMA

The SZ1518 is a 1W, 18V Zener diode in an SMA surface-mount package, ideal for voltage regulation and protection.

Best for

  • Voltage regulation
  • General-purpose circuit protection

Avoid if

  • Applications requiring power dissipation significantly above 1W
  • Space-constrained designs where smaller packages like SOD-123 are required

Check before use

  • Thermal derating requirements at high ambient temperatures

Key specifications

Nominal Zener Voltage
18 V
Power Rating
1 W
Package
SMA (DO-214AC)

Compliance & Environment

RoHS
Yes
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

Power SuppliesGeneral Electronics

Datasheet

5d41a424ad518d7cc660a7b7a4892f8b_datasheet.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for SZ1518: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol
Schematic symbol for your EDA tool
Get Files
PCB Footprint
Land pattern for PCB layout
Get Files
3D Model
STEP file for mechanical design
Get Files
KiCad Library
Verified KiCad 8 symbol, footprint, and 3D model
Generate library

Login required · CAD models billed separately as an add-on

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 SZ1518 is a 1-watt surface-mount Zener diode from EIC Semicon, featuring a nominal Zener voltage of 18V and housed in an SMA (DO-214AC) package.