ProjectsPricingInsights

SZ155B AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

SZ155B product

SZ155B

Diodes - Zener - Single

Zener Diode5.1V1WSMA

The SZ155B is a 1W, 5.1V surface-mount Zener diode in an SMA package, suitable for general voltage regulation and transient protection.

Best for

  • Voltage regulation
  • Transient voltage suppression

Avoid if

  • Applications requiring extremely low power dissipation
  • High-frequency signal lines where parasitic capacitance is critical

Check before use

  • Thermal management on the PCB
  • Surge current requirements

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

General voltage regulation

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
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

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 manufactured by EIC, designed for voltage regulation with a nominal Zener voltage of 5.1V and a power dissipation capacity of 1W.