SMAJ18A Littelfuse

SMAJ18A electronic component of Littelfuse
SMAJ18A Littelfuse
SMAJ18A ESD Suppressors / TVS Diodes
SMAJ18A Circuit Protection
Images are for reference only, See Product Specifications

X-On Electronics has gained recognition as a prominent supplier of SMAJ18A ESD Suppressors / TVS Diodes across the USA, India, Europe, Australia, and various other global locations. SMAJ18A ESD Suppressors / TVS Diodes are a product manufactured by Littelfuse. We provide cost-effective solutions for ESD Suppressors / TVS Diodes, ensuring timely deliveries around the world.

Part No. SMAJ18A
Manufacturer: Littelfuse
Category: ESD Suppressors / TVS Diodes
Description: ESD Suppressors / TVS Diodes 400W 18V 5% Uni-Directional
Datasheet: SMAJ18A Datasheet (PDF)
Price (USD)
5: USD 0.1684 ea
Line Total: USD 0.84 
Availability : 4675
  
Ship by Wed. 01 Oct to Mon. 06 Oct
QtyUnit Price
5$ 0.1684
50$ 0.1314
150$ 0.1128
500$ 0.0668
2500$ 0.0593
5000$ 0.0555

 SMAJ18A More Buying Options & Price Grid(s)
Availability 1763
Ship by Wed. 24 Sep to Tue. 30 Sep
MOQ : 520
Multiples : 1
QtyUnit Price
520$ 0.5008
1582$ 0.1644
1598$ 0.1628
1613$ 0.1612
1629$ 0.1596
1750$ 0.1486
2916$ 0.0892

Availability 15804
Ship by Mon. 22 Sep to Wed. 24 Sep
MOQ : 1
Multiples : 1
QtyUnit Price
1$ 0.3998
10$ 0.2398
100$ 0.1238
500$ 0.1112
1000$ 0.1089
2500$ 0.1067
5000$ 0.0896
10000$ 0.0806

Availability 4675
Ship by Wed. 01 Oct to Mon. 06 Oct
MOQ : 5
Multiples : 5
QtyUnit Price
5$ 0.1684
50$ 0.1314
150$ 0.1128
500$ 0.0668
2500$ 0.0593
5000$ 0.0555

Availability 1763
Ship by Wed. 24 Sep to Tue. 30 Sep
MOQ : 1735
Multiples : 1
QtyUnit Price
1735$ 0.1546
1801$ 0.149
1819$ 0.1475
3031$ 0.0885

Availability 4850
Ship by Wed. 24 Sep to Tue. 30 Sep
MOQ : 5000
Multiples : 5000
QtyUnit Price
5000$ 0.1022
10000$ 0.0615
15000$ 0.0609
25000$ 0.059
35000$ 0.058

Availability 4714
Ship by Wed. 24 Sep to Tue. 30 Sep
MOQ : 774
Multiples : 1
QtyUnit Price
774$ 0.3468
803$ 0.3344
1000$ 0.3235
2500$ 0.3018

Specifications

   
Manufacturer
Product Category
RoHS - XON
Icon ROHS
Series
Product Type
Vesd - Voltage ESD Contact
Vesd - Voltage ESD Air Gap
Polarity
Termination Style
Breakdown Voltage
Working Voltage
Clamping Voltage
Ipp - Peak Pulse Current
Package / Case
Pppm - Peak Pulse Power Dissipation
Minimum Operating Temperature
Maximum Operating Temperature
Packaging
Brand
Cnhts
Hts Code
Mxhts
Factory Pack Quantity :
Subcategory
Taric
Category
Brand Category
LoadingGif
 
Notes:- Show Stocked Products With Similar Attributes.

SMAJ18A Alternative Parts

Image Part-Description
Stock Image SMAJ18A SLKORMICRO
13.7A 29.2V 400W 20V 18V SMA(DO-214AC) Electrostatic and Surge Protection (TVS/ESD) ROHS
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock: 1500
Stock Image SMAJ18A Liown
13.7A 29.2V 400W 20V 18V DO-214AC(SMA) Electrostatic and Surge Protection (TVS/ESD) ROHS
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock: 4380
Stock Image SMAJ18A DIYI
SMA(DO-214AC) ESD and Surge Protection (TVS/ESD) ROHS
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock: 180
Stock Image SMAJ18A Taisko
SMA Electrostatic and Surge Protection (TVS/ESD) ROHS
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock: 6980
Stock Image SMAJ18A Jingdao
29.2V 20V 18V SMA TVS ROHS
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock: 19440
Stock Image SMAJ18A MSKSEMI
13.7A 400W 24.4V 16.7V 15V SMA Electrostatic and Surge Protection (TVS/ESD) ROHS
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock: 720
Stock Image SMAJ18A DOWO
TVS SMA (DO-214AC) RoHS
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock: 4740
Stock Image SMAJ18A hongjiacheng
13.7A 29.2V 400W 20V Unidirectional 18V SMA Electrostatic and Surge Protection (TVS/ESD) ROHS
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock: 8540
Stock Image SMAJ18A GOODWORK
13.7A 5uA 29.2V 20V 18V 23.3V Unidirectional SMA(DO-214AC) TVS ROHS
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock: 42820
Stock Image SMAJ18A TWGMC
TVS SMA RoHS
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock: 24820
Stock Image SMAJ18A HXY MOS
13.7A 29.2V 20V 18V SMA(DO-214AC) Electrostatic and Surge Protection (TVS/ESD) ROHS
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock: 120
Stock Image SMAJ18A Shikues
SMA TVS ROHS
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock: 9140
Stock Image SMAJ18A FOSAN
SMA TVS ROHS
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock: 2320
Stock Image SMAJ18A Juxing Electronic Technology
13.7A 29.2V 20V 18V SMA(DO-214AC) Electrostatic and Surge Protection (TVS/ESD) ROHS
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock: 4960
Stock Image SMAJ18A PAKER Microelectronics
29.2V 20V 18V Unidirectional SMA TVS ROHS
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock: 4960
Stock Image SMAJ18A NH
29.2V 20V 18V DO-214AC(SMA) Electrostatic and Surge Protection (TVS/ESD) ROHS
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock: 4960
Stock Image SMAJ18A Microdiode Electronics
TVS SMA (DO-214AC) RoHS
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock: 7640
Stock Image SMAJ18A amsem
29.2V 400W 20V Unidirectional 18V DO-214AC(SMA) Electrostatic and Surge Protection (TVS/ESD) ROHS
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock: 4940
Stock Image SMAJ18A FTR
TVS SMA(DO-214AC) RoHS
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock: 4200
Stock Image SMAJ18A TECH PUBLIC
SMA ESD and Surge Protection (TVS/ESD) ROHS
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock: 2780
Stock Image SMAJ18A Yangjie
29.2V 20V 18V SMA(DO-214AC) TVS ROHS
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock: 5000
Stock Image SMAJ18A SUNMATE
29.2V 20V 18V Unidirectional SMA TVS ROHS
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock: 2000
Stock Image SMAJ18A YFW Electronics
1A 29.2V 22.1V 18V SMA(DO-214AC) Electrostatic and Surge Protection (TVS/ESD) ROHS
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock: 60
Stock Image SMAJ18A Jinkaisheng
SMA TVS ROHS
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock: 4880
Stock Image SMAJ18A SEMIWARE
29.2V 20V 18V SMA(DO-214AC) TVS ROHS
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock: 560
Stock Image SMAJ18A Bourne
13.7A 29.2V@13.7A 400W 20V Unidirectional 18V SMA Electrostatic and Surge Protection (TVS/ESD) ROHS
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock: 2510
Stock Image SMAJ18A AnBon
29.2V 20V 18V SMA TVS ROHS
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock: 440
Stock Image SMAJ18A ZHIDE
SMA Electrostatic and Surge Protection (TVS/ESD) ROHS
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock: 4980
Stock Image SMAJ18A High Diode
29.2V 20V 18V SMA TVS ROHS
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock: 5190
Stock Image SMAJ18A Changjing Electronics Technology
13.7A 29.2V 400W 20V 18V SMAG Electrostatic and Surge Protection (TVS/ESD) ROHS
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock: 4610
Stock Image SMAJ18A LGE
TVS SMA (DO-214AC) RoHS
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock: 4790
Stock Image SMAJ18A SMC Diode
29.2V 20V 18V SMA(DO-214AC) TVS ROHS
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock: 1480
Stock Image SMAJ18A TKS
13.7A 1uA 29.2V 20V 18V 22.1V Unidirectional DO-214AC TVS ROHS
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock: 3420
Stock Image SMAJ18A Leiditech
29.2V 20V 18V SMA TVS ROHS
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock: 260
Stock Image SMAJ18A Ruilongyuan
SMA(DO-214AC) ESD and Surge Protection (TVS/ESD) ROHS
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock: 510
Stock Image SMAJ18A Bourns
TVS Diodes - Transient Voltage Suppressors 18volts 5uA 13.7 Amps Uni-Dir
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock: 7831

We are delighted to provide the SMAJ18A from our ESD Suppressors / TVS Diodes category, at competitive rates not only in the United States, Australia, and India, but also across Europe and beyond. A long established and extensive electronic component distribution network has enhanced our global reach and dependability, ensuring cost savings through prompt deliveries worldwide. Client satisfaction is at the heart of our business, where every component counts and every customer matters. Our technical service team is ready to assist you. From product selection to after-sales support, we strive to deliver a seamless and satisfying experience. Are you ready to experience the best in electronic component distribution? Contact X-ON Electronics today and discover why X-On are a preferred choice for the SMAJ18A and other electronic components in the ESD Suppressors / TVS Diodes category and beyond.

More Products By Manufacturer "Littelfuse"

Image Part-Description
Stock Image 0216.500MXEP
Littelfuse Cartridge Fuses 250V .5A Fast Acting
Stock : 737
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image 0235.500MXP
500 mA 250 V AC DC Fuse Cartridge, Glass Holder 5mm x 20mm
Stock : 2041
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image 0218.032HXP
Cartridge Fuses 250V .032A Time Lag (Slo-Blo)
Stock : 100
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image 0229003.HXSP
3 A 250 V AC 125 V DC Fuse Cartridge, Glass Requires Holder 2AG, 5mm x 15mm
Stock : 0
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image 01070002Z
Littelfuse Fuse Clips Clip 916 Dia
Stock : 0
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image 022903.5MXP
Cartridge Fuses 3.5A 250V Tube,4.2x14.1mm RoHS
Stock : 1075
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image 02292.25HXP
2.25 A 250 V AC 125 V DC Fuse Cartridge, Glass Holder 2AG, 5mm x 15mm
Stock : 0
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image 0235.200MXP
Cartridge Fuses 250V .2A Fast Acting
Stock : 1464
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image 0235002.VXP
Cartridge Fuses 250V 5X20mm P 2AMP
Stock : 0
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image 00713200
Pushbutton Switches Plunger Switch 2-Way N.C.
Stock : 0
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

More Products By Category "ESD Suppressors / TVS Diodes"

Image Part-Description
Stock Image ESD11N5.0ST5G
ON Semiconductor TVS Diodes - Transient Voltage Suppressors LOW CAP BI DIRECT TV
Stock : 115000
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image DF2B5M4SL,L3F
ESD Suppressors / TVS Diodes ESD Protection Diode
Stock : 19870
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image SMAJ30CA-TP
Micro Commercial Components (MCC) TVS Diodes - Transient Voltage Suppressors 30V 400 Watts
Stock : 10175
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image ESDA14V2LY
ESD Suppressors / TVS Diodes Automotive dual Transil array for ESD protection
Stock : 8880
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image SMBJ12A-TR
TVS Diodes - Transient Voltage Suppressors 600W 12V Unidirect
Stock : 40000
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image P4SMA36CA R3G
ESD Suppressors / TVS Diodes 400W, 36V, 5%, Bidirectional, TVS
Stock : 0
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image SMF15A
TVS Diodes - Transient Voltage Suppressors 15V 200W 8.2A 5% Unidirectional
Stock : 1845
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image SMAJ58CA-TR
TVS Diodes - Transient Voltage Suppressors TRANSIL
Stock : 110000
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image SMCJ33A
TVS SMC (DO-214AB) RoHS
Stock : 0
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.
Stock Image SMA6F14AY
ESD Suppressors / TVS Diodes DFD PROTECTION
Stock : 0
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Additional Infomation About Product

SMAJ18A is a part manufactured by Littelfuse. It is a surface-mount diode designed to protect components from electrostatic discharge (ESD). It features low capacitance and a stand-off voltage of 19V to help protect delicate components from transients. The part can withstand up to 5A of continuous current, and a peak pulse current of 15A. It is rated for 500 cycles of ESD protection at a discharge current of 15kV. The part is housed in an SMAJ package with a 0402 footprint.

HS Compliance

Tariff Desc

8541.10.00 15 No - Diodes, other than photosensitive or light emitting diodes Free

DIODES, TRANSISTORS AND SIMILAR SEMICONDUCTOR DEVICES; PHOTOSENSITIVE SEMICONDUCTOR DEVICES, INCLUDING PHOTOVOLTAIC CELLS WHETHER OR NOT ASSEMBLED IN MODULES OR MADE UP INTO PANELS

C&K Aerospace may also be referenced as

Cole Hersee
HAMLIN
Hamlin Littelfuse
Hamlin / Littelfuse
Hamlin Inc
Hartland Controls / Littelfuse
LF
LF7
Littelfuse Teccor Sidactor Product
Littelfuse Wickmann Brand
Littelfuse / US Sensor
Littelfuse Inc
Littelfuse Inc.
Littelfuse Industrial Products
LITTELFUSE SEMITRON
LITTELFUSE WICKMANN
LITTELFUSE, INC.
Littelfuse/CVP
Little Fuse / Wickmann
Littlefuse
SSAC
SSAC Relays
TE Connectivity / Circuit Protection
Wickmann
WICKMANN USA

CL05B104KO5NNNC MLCC by Samsung – 100nF, 0402, 25V
CL05B104KO5NNNC MLCC by Samsung – 100nF, 0402, 25V image

Jun 26, 2025
CL05B104KO5NNNC MLCC by Samsung offers 100nF capacitance, 25V rating, X7R dielectric, and 0402 size—perfect for decoupling, filtering, and compact PCB designs in all industries.

MOC3023SM Optocouplers by Isocom for AC Switching
MOC3023SM Optocouplers by Isocom for AC Switching image

Jul 28, 2025
MOC3023SM Triac & SCR Output Optocouplers by Isocom offer 5.3kVrms isolation, compact SMD design, and low trigger current for safe AC load switching in control and automation systems.

SN74LS279AN Latches by ON Semiconductor – Buy Online at XON
SN74LS279AN Latches by ON Semiconductor – Buy Online at XON image

Sep 2, 2025
The SN74LS279AN by ON Semiconductor is a quad set-reset latch IC designed for data storage and synchronization. Belonging to  Semiconductors, Integrated Circuits - ICs, Logic ICs, Latches , it is ideal for reliable state retention in digital systems.

MAX412ESA+ Precision Op-Amp by Analog Devices
MAX412ESA+ Precision Op-Amp by Analog Devices image

Jul 18, 2025
MAX412ESA+ Precision Amplifiers by Analog Devices offer ultra-low offset, rail-to-rail output, and low power use—perfect for sensors, medical, and precision analog circuits.

Looking for help? Visit our FAQ's Section to answer to all your questions

Resources

Company

Support

 

X-ON Worldwide Electronics

Welcome To X-ON Electronics
For over three decades, we have been advocating and shaping the electronic components industry. Our management complements our worldwide business scope and focus. We are committed to innovation, backed by a strong business foundation. If you need a trustworthy supplier of electronic components for your business – look no further.
  +61 8 9358 9358 |   sales@x-on.com.au |   Chat
 
Policies | Terms and Conditions | Sitemap

Copyright ©2025  X-ON Electronics Services. All rights reserved.
Please ensure you have read and understood our Terms & Conditions before purchasing. All prices exclude GST.

Image for all the cards that are accepted Image for all the cards that are accepted Image for all the cards that are accepted Image for all the cards that are accepted Image for all the cards that are accepted AS9120 Certified