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MMSZ5239B AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

MMSZ5239B product

MMSZ5239B

Diodes - Zener - Single

Zener Diode9.1VSOD-123500mW

The MMSZ5239B is a standard 9.1V, 500mW Zener diode in an SOD-123 package, ideal for general-purpose voltage regulation and circuit protection.

Best for

  • Voltage regulation
  • Overvoltage protection

Avoid if

  • Applications requiring power dissipation significantly above 500mW

Check before use

  • Thermal dissipation limits
  • Polarity marking

Key specifications

Nominal Zener Voltage
9.1 V
Power Dissipation
500 mW
Package
SOD-123

Compliance & Environment

RoHS
ROHS3 Compliant
REACH
REACH Unaffected
MSL
1 (Unlimited)
ECCN
EAR99
HTSUS
8541.10.0050

Application

Power SuppliesOvervoltage Protection

Datasheet

RSELS09968-1.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for MMSZ5239B: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol
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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
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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

The MMSZ5239B is a surface-mount silicon Zener diode with a nominal Zener voltage of 9.1V, designed for power dissipation up to 500mW.