What are the key specifications?

Key specs include 1.5W power dissipation, 18V nominal Zener voltage, 12Ω Zener impedance (Zzt), and 1uA reverse leakage current at 13.7V.

What is the pinout of 1SMAZ5931B?

Use the 1SMAZ5931B datasheet for the official pinout diagram and pin names. In PartGenie, ask Datasheet AI about 1SMAZ5931B pinout to locate pins, power rails, and interface signals before layout.

1SMAZ5931B Datasheet, Specs, Alternatives & ECAD | Suzhou Good-Ark Electronics Co., Ltd.

AI summary

The 1SMAZ5931B is a 1.5W, 18V Zener diode in an SMA surface-mount package, designed for voltage regulation and transient protection.

Best for

Voltage stabilization
Clipping circuits
Transient voltage protection

Avoid if

Applications requiring extremely low power dissipation or non-standard voltage levels

Check before use

Thermal dissipation capabilities of the PCB

Key specifications

Zener Voltage: 18V
Power Dissipation: 1.5W
Zener Impedance: 12Ω

Compliance & Environment

RoHS: Compliant
REACH: -
MSL: 1
ECCN: -
HTSUS: -

Application

Power ManagementGeneral Purpose

Datasheet

5a2ef99481d1ad85d94a731b967df5ab_2204131830_Suzhou-Good-Ark-Elec-1SMAZ5931B_C2990825.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for 1SMAZ5931B: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

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PCB Footprint

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3D Model

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Where to Buy

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Alternative components

Part	Details	Match
SMA2EZ24Manufacturer	Expecting ',' delimiter: line 15 column 8 (char 481)	Has caveats

SMA5931AManufacturer	Expecting ',' delimiter: line 68 column 8 (char 2571)	Has caveats
US2MManufacturer	URL can't contain control characters. '/component/docs/d977582ba914317c5f1ba130423fb517_us2a.pdf, https://s3.lax.sharktech.net/viassion/datasheets/hqonline/200dd5f904ebec2ef08dca58f9e12c09.pdf' (found at least ' ')	Has caveats
1SMA4750_R1_00001Manufacturer	URL can't contain control characters. '/component/docs/f400b10e951c9313b134616317d12807_1811131835_PANJIT-International-1SMA4750-R1-00001_C304049.pdf, https://s3.lax.sharktech.net/viassion/datasheets/hqonline/4d936531ba69ce42e9e636df8a109a22.pdf, https://file.elecfans.com/web2/M00/23/F6/pYYBAGGu_SqAAmzUAAncqfa2yrI911.pdf' (found at least ' ')	Has caveats
SMA2Z200AManufacturer	Expecting ',' delimiter: line 218 column 10 (char 7102)	Has caveats
SMA2Z22AManufacturer	Expecting ',' delimiter: line 219 column 10 (char 7728)	Has caveats
SMA3Z24AManufacturer	Expecting ',' delimiter: line 223 column 10 (char 7991)	Has caveats
SMA4754AManufacturer	Expecting ',' delimiter: line 151 column 4 (char 5251)	Has caveats

Design and risk insights

Questions & answers

It is a 1.5W Zener diode with a nominal Zener voltage of 18V, housed in a DO-214AC (SMA) package.

AI summary

Best for

Avoid if

Check before use

Key specifications

Compliance & Environment

Application

Datasheet

CAD Models

Where to Buy

Alternative components

Design and risk insights

Questions & answers

What is the 1SMAZ5931B?+×

What are the key specifications?+×

What is the pinout of 1SMAZ5931B?+×