SMA5918A AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

SMA5918A product

SMA5918A

Diodes

Zener Diode1.5W5.1VSMA

The SMA5918A is a 1.5W surface-mount Zener diode in an SMA package, designed for voltage stabilization and clipping applications.

Best for

  • Voltage stabilization
  • Signal clipping
  • General purpose power regulation

Avoid if

  • Applications requiring extremely low leakage current
  • High-frequency signal paths where low capacitance is critical

Check before use

  • Thermal derating at high ambient temperatures
  • PCB footprint compatibility for SMA package

Key specifications

Nominal Zener Voltage
5.1V
Power Dissipation
1.5W
Zener Impedance
4Ω
Package
SMA (DO-214AC)

Compliance & Environment

RoHS
Yes
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

Power SuppliesIndustrial Control

CAD Models

Download ECAD models for SMA5918A: 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

Alternative components

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

Design and risk insights

Questions & answers

The SMA5918A is a glass-passivated silicon Zener diode from ZHIDE, rated for 1.5W power dissipation with a nominal Zener voltage of 5.1V.