SMAJ18A Littelfuse

SMAJ18A electronic component of Littelfuse
SMAJ18A Littelfuse
SMAJ18A ESD Protection Diodes / 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 Protection Diodes / TVS Diodes across the USA, India, Europe, Australia, and various other global locations. SMAJ18A ESD Protection Diodes / TVS Diodes are a product manufactured by Littelfuse. We provide cost-effective solutions for ESD Protection Diodes / TVS Diodes, ensuring timely deliveries around the world.

Part No. SMAJ18A
Manufacturer: Littelfuse
Category: ESD Protection Diodes / TVS Diodes
Description: ESD Suppressors / TVS Diodes 400W 18V 5% Uni-Directional
Datasheet: SMAJ18A Datasheet (PDF)
Price (USD)
5000: USD 0.0849 ea
Line Total: USD 424.5 
Availability : 9700
  
Ship by Tue. 11 Nov to Mon. 17 Nov
QtyUnit Price
5000$ 0.0849
10000$ 0.081
15000$ 0.0583
25000$ 0.0574
35000$ 0.0568

 SMAJ18A More Buying Options & Price Grid(s)
Availability 1763
Ship by Tue. 11 Nov to Mon. 17 Nov
MOQ : 656
Multiples : 1
QtyUnit Price
656$ 0.3965
1582$ 0.1644
1598$ 0.1627
1613$ 0.1612
1630$ 0.1595
2088$ 0.1246
3479$ 0.0748

Availability 13400
Ship by Fri. 07 Nov to Tue. 11 Nov
MOQ : 1
Multiples : 1
QtyUnit Price
1$ 0.35
10$ 0.1962
100$ 0.12
500$ 0.1078
1000$ 0.1056
2500$ 0.1034
5000$ 0.0781

Availability 7323
Ship by Tue. 11 Nov to Mon. 17 Nov
MOQ : 5
Multiples : 5
QtyUnit Price
5$ 0.1872
50$ 0.146
150$ 0.1254
500$ 0.0741
2500$ 0.0658
5000$ 0.0617

Availability 1763
Ship by Tue. 11 Nov to Mon. 17 Nov
MOQ : 1613
Multiples : 1
QtyUnit Price
1613$ 0.1612
1630$ 0.1595
2058$ 0.1264
3431$ 0.0758

Availability 9700
Ship by Tue. 11 Nov to Mon. 17 Nov
MOQ : 5000
Multiples : 5000
QtyUnit Price
5000$ 0.0849
10000$ 0.081
15000$ 0.0583
25000$ 0.0574
35000$ 0.0568

Availability 4714
Ship by Tue. 11 Nov to Mon. 17 Nov
MOQ : 774
Multiples : 1
QtyUnit Price
774$ 0.3362
803$ 0.3241
1000$ 0.3136
2500$ 0.2925

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 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: 6000
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: 500
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: 6720
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 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: 4940
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: 34320
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: 29740
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: 280
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 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: 7180
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 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 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 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: 4430
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 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 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: 370
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: 2290
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: 5180
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: 1450
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: 4220
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 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: 5169

We are delighted to provide the SMAJ18A from our ESD Protection Diodes / 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 Protection Diodes / 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 : 647
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 : 157
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 : 79
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 : 26110
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 : 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 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 : 108
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 Protection Diodes / TVS Diodes"

Image Part-Description
Stock Image ESD11N5.0ST5G
ON Semiconductor TVS Diodes - Transient Voltage Suppressors LOW CAP BI DIRECT TV
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 DF2B5M4SL,L3F
ESD Suppressors / TVS Diodes ESD Protection Diode
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 SMAJ30CA-TP
Micro Commercial Components (MCC) TVS Diodes - Transient Voltage Suppressors 30V 400 Watts
Stock : 1083
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 : 5770
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 : 3195
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 : 5650
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

CA-26 Flat Cables by Itek
CA-26 Flat Cables by Itek image

Sep 23, 2025
The CA-26 Flat Cables by Itek provide flexible routing, compact design, and reliable performance for computers, automation, and consumer electronics with global availability.

84-5230.0020 Emergency Stop Switch | EAO
84-5230.0020 Emergency Stop Switch | EAO image

Oct 17, 2025
The 84-5230.0020 Emergency Stop Switches / E-Stop Switches by EAO ensure safety, durability, and compliance for industrial automation systems in global applications.

RX 8140 Pliers & Tweezers by Bahco – Buy Online at XON
RX 8140 Pliers & Tweezers by Bahco – Buy Online at XON image

Oct 7, 2025
The  RX 8140 Pliers & Tweezers by Bahco  deliver precision and comfort for electronics and assembly tasks. Designed for durability, these  Tools & Supplies  ensure accurate handling in industrial, repair, and professional environments.

RFM68W-433S2 Sub-GHz Modules by Hope Microelectronics | Buy Online at XON
RFM68W-433S2 Sub-GHz Modules by Hope Microelectronics | Buy Online at XON image

Oct 17, 2025
The RFM68W-433S2 Sub-GHz Modules by Hope Microelectronics deliver reliable long-range wireless communication with low power consumption, ideal for IoT, metering, and automation applications.

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