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SZ155B AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

SZ155B product

SZ155B

Diodes - Zener - Single

Zener Diode1W5.1VSMA

The SZ155B is a 1W, 5.1V Zener diode housed in an SMA (DO-214AC) surface-mount package, suitable for voltage regulation and protection applications.

Best for

  • Voltage regulation
  • Overvoltage protection

Avoid if

  • Applications requiring power dissipation significantly exceeding 1W

Check before use

  • Thermal derating requirements
  • PCB footprint compatibility

Key specifications

Nominal Zener Voltage
5.1 V
Power Dissipation
1 W
Package
SMA (DO-214AC)

Compliance & Environment

RoHS
Compliant
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

Voltage RegulationGeneral Protection

CAD Models

Download ECAD models for SZ155B: 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

Real-time and catalog pricing from verified distributors

Alternative components

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

Design and risk insights

Questions & answers

The SZ155B is a surface-mount silicon Zener diode from EIC Semicon, designed for a nominal Zener voltage of 5.1V and a power dissipation of 1W.