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1SMA5947B AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

1SMA5947B product

1SMA5947B

Diodes - Zener - Single

Zener Diode18V1.5WSMA

The 1SMA5947B is a 1.5W Zener diode in an SMA package, providing stable 18V voltage regulation.

Best for

  • Voltage regulation
  • General purpose clamping

Avoid if

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

Check before use

  • Thermal design of the PCB

Key specifications

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

Compliance & Environment

RoHS
Compliant
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

Power Management

Datasheet

6825900bf5d6f6ba5e29ca999461c3b7_2401121842_YFW-1SMA5947B_C20606475.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for 1SMA5947B: 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

It is a silicon planar Zener diode with a nominal voltage of 18V and a power dissipation rating of 1.5W, housed in a surface-mount SMA package.