SMAJ18A

SMAJ series, 400W transient voltage suppressor (TVS) in SMA package, designed to protect electronic circuits against damage induced by lightning surges or other transient voltage events.

Features and Benefits
  • Peak pulse power 400W @ 10/1000μs waveform
  • Excellent clamping capability
  • Low incremental surge resistance
  • Surface mount package for easy assembly and PCB space-saving
  • Typical IR < 1μA when VBR min > 12V
  • Fast response time: typically < 1.0ps from 0V to VBR minimum
  • IEC 61000-4-2 ESD 30kV (Air), 30kV (Contact)
  • EFT protection of data lines in accordance with IEC 61000-4-4
  • Guaranteed high temperature for reflow soldering: 260°C/10sec
  • Mold compound complies to UL94V-0 flammability classification
  • Meets MSL level 1, per J-STD-020
  • Pb-free lead finish
  • Halogen free and RoHS compliant
Applications
  • Power supplies
  • Industrial applications
  • Power management circuits
  • I/O interfaces
Parametric
Package
Quality, reliability & chemical content
Ordering
Type Number Symbol Parameter Conditions Min Typ/Nom Max Unit
   SMAJ18A VR  reverse stand off voltage       18 V
VBR  breakdown voltage  IT = 1 mA 20.19   21.9 V
Tj  junction temperature       150 °C
VC  clamping voltage  IPP = 13.7 A; 10/1000μs waveform     29.2 V
IPP  peak pulse current  10/1000μs waveform     13.7 A
IR  reverse leakage  VR = 18 V     1 μA
Type number Package Packing Product status Marking Orderable part number Ordering code (12NC)
SMAJ18A

SMA

STANDARD MARK SMD Volume production Standard Marking SMAJ18AJ 9340 723 68118
Datasheet
Type number Ordering code (12NC) Orderable part number Region Distributor Order sample
SMAJ18A 9340 723 68118 SMAJ18AJ NA NA  

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Chemical content Orderable part number Type number RoHS / RHF Leadfree conversion date MSL MSL LF
SMAJ18A SMAJ18AJ SMAJ18A Leaded H   1 1

Chemical Content - SMAJ18A

As a proactive and sustainable company, WeEn Semiconductors has decided to publish chemical content information of its product portfolio through direct Internet access. With this information, we can provide data to our customers to facilitate any assessment regarding compliance to the RoHS directive and lead-free status. WeEn Semiconductors has set a standard in the semiconductor business with this detailed level of data, directly retrieved from its general product database. WeEn Semiconductors products are compliant to the EU Directives RoHS, ELV and the China RoHS.

Disclaimer

All information in this document is furnished for exploratory or indicative purposes only. All information in this document is believed to be accurate and reliable. However, WeEn Semiconductors does not give any representations or warranties as to the accuracy or completeness of such information and shall have no liability for the consequences of use of such information. WeEn Semiconductors may make changes to information published in this document at any time and without notice. Minor deviations may occur in the products from different manufacturing location. This document supersedes and replaces all information supplied prior to the publication hereof. Nothing in this document may be interpreted or construed as an offer to sell products that is open for acceptance or the grant, conveyance or implication of any license under any copyrights, patents or other industrial or intellectual property rights.