SMAJ-HR Series - High Reliability 400W Surface Mount Transient Voltage Suppressors

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Littelfuse products are not designed for, and shall not be used for, any purpose (including, without limitation, automotive, military, aerospace, medical, life-saving, life-sustaining or nuclear facility applications, devices intended for surgical implant into the body, or any other application in which the failure or lack of desired operation of the product may result in personal injury, death, or property damage) other than those expressly set forth in applicable Littelfuse product documentation. Warranties granted by Littelfuse shall be deemed void for products used for any purpose not expressly set forth in applicable Littelfuse documentation. Littelfuse shall not be liable for any claims or damages arising out of products used in applications not expressly intended by Littelfuse as set forth in applicable Littelfuse documentation. The sale and use of Littelfuse products is subject to Littelfuse Terms and Conditions of Sale, unless otherwise agreed by Littelfuse. "Littelfuse" includes Littelfuse, Inc., and all of its affiliate entities.

The SMAJ-HR High Reliability series is designed specifically to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events.

Features

  • Excellent clamping capability
  • Typical IR ≤ 1μA for VR > 10V
  • For surface mounted applications to optimize board space
  • Low profile package
  • Typical failure mode is short from over-specified voltage or current
  • Whisker test is conducted based on JEDEC JESD201A per its table 4a and 4c
  • ESD protection of data lines in accordance with IEC 61000-4- 2, 30kV(Air), 30kV (Contact)
  • EFT protection of data lines in accordance with IEC 61000- 4-4
  • Built-in strain relief
  • 400W Peak pulse power capability at 10/1000μs waveform, repetition rate (duty cycle): 0.01%
  • Fast response time: typically less than 1.0ps from 0 Volts to VBR min
  • Glass passivated junction
  • Low inductance
  • High temperature to reflow soldering guaranteed: 260°C/40sec
  • VBR @ TJ = VBR@25°C x (1+αT x (TJ - 25))(αT:Temperature Coefficient, typical value is 0.1%) Coefficient, typical value
  • UL Recognized epoxy meeting flammability rating V-0
  • Meet MSL level1, per J-STD-020, LF maximun peak of 260°C
  • Matte tin lead–free Plated
  • Halogen free and RoHS compliant
  • Pb-free E3 means 2nd level interconnect is Pb-free and the terminal finish material is tin(Sn) (IPC/JEDEC J-STD 609A.01)

Applications

TVS Components are ideal for the protection of I/O Interfaces, VCC bus and other vulnerable circuits used in Telecom, Computer, Industrial and Consumer electronic applications.

Access specifications, certifications, check availability and order parts below

Catalog #VR (Vso)Watts (W)IPP 10x1000μs (A)MIN VBR@IT
(V)
MAX VBR@IT
(V)
Vc (V)IT
(mA)
Ir@Vso
(μA)
Uni / BiOperating Temperature Maximum CelsiusPolarityPackagePartner ECAD ModelsStockSamplesCompare
SMAJ10A-HR1040023.511.112.31715Unipolar150UnipolarDO-214ACSMAJ10A-HRCheckOrder
SMAJ10CA-HR1040023.511.112.317110Bipolar150BipolarDO-214ACSMAJ10CA-HRCheckOrder
SMAJ11A-HR114002212.213.518.211Unipolar150UnipolarDO-214ACSMAJ11A-HRCheckOrder
SMAJ11CA-HR114002212.213.518.211Bipolar150BipolarDO-214ACSMAJ11CA-HRCheckOrder
SMAJ12A-HR1240020.113.314.719.911Unipolar150UnipolarDO-214ACSMAJ12A-HRCheckOrder
SMAJ12CA-HR1240020.113.314.719.911Bipolar150BipolarDO-214ACSMAJ12CA-HRCheckOrder
SMAJ13A-HR1340018.614.415.921.511Unipolar150UnipolarDO-214ACSMAJ13A-HRCheckOrder
SMAJ13CA-HR1340018.614.415.921.511Bipolar150BipolarDO-214ACSMAJ13CA-HRCheckOrder
SMAJ14A-HR1440017.215.617.223.211Unipolar150UnipolarDO-214ACSMAJ14A-HRCheckOrder
SMAJ14CA-HR1440017.215.617.223.211Bipolar150BipolarDO-214ACSMAJ14CA-HRCheckOrder
SMAJ15A-HR1540016.416.718.524.411Unipolar150UnipolarDO-214ACSMAJ15A-HRCheckOrder
SMAJ15CA-HR1540016.416.718.524.411Bipolar150BipolarDO-214ACSMAJ15CA-HRCheckOrder
SMAJ16A-HR1640015.417.819.72611Unipolar150UnipolarDO-214ACSMAJ16A-HRCheckOrder
SMAJ16CA-HR1640015.417.819.72611Bipolar150BipolarDO-214ACSMAJ16CA-HRCheckOrder
SMAJ17A-HR1740014.518.920.927.611Unipolar150UnipolarDO-214ACSMAJ17A-HRCheckOrder
SMAJ17CA-HR1740014.518.920.927.611Bipolar150BipolarDO-214ACSMAJ17CA-HRCheckOrder
SMAJ18A-HR1840013.72022.129.211Unipolar150UnipolarDO-214ACSMAJ18A-HRCheckOrder
SMAJ18CA-HR1840013.72022.129.211Bipolar150BipolarDO-214ACSMAJ18CA-HRCheckOrder
SMAJ20A-HR2040012.322.224.532.411Unipolar150UnipolarDO-214ACSMAJ20A-HRCheckOrder
SMAJ20CA-HR2040012.322.224.532.411Bipolar150BipolarDO-214ACSMAJ20CA-HRCheckOrder
SMAJ26A-HR264009.528.931.942.111Unipolar150UnipolarDO-214ACSMAJ26A-HRCheckOrder
SMAJ26CA-HR264009.528.931.942.111Bipolar150BipolarDO-214ACSMAJ26CA-HRCheckOrder
SMAJ33A-HR334007.536.740.653.311Unipolar150UnipolarDO-214ACSMAJ33A-HRCheckOrder
SMAJ33CA-HR334007.536.740.653.311Bipolar150BipolarDO-214ACSMAJ33CA-HRCheckOrder
SMAJ36A-HR364006.94044.258.111Unipolar150UnipolarDO-214ACSMAJ36A-HRCheckOrder
SMAJ36CA-HR364006.94044.258.111Bipolar150BipolarDO-214ACSMAJ36CA-HRCheckOrder
SMAJ45A-HR454005.55055.372.711Unipolar150UnipolarDO-214ACSMAJ45A-HRCheckOrder
SMAJ45CA-HR454005.55055.372.711Bipolar150BipolarDO-214ACSMAJ45CA-HRCheckOrder
SMAJ6.0A-HR640038.86.677.3710.310800Unipolar150UnipolarSMAJ6.0A-HRCheckOrder
SMAJ6.0CA-HR640038.86.677.3710.3101600Bipolar150BipolarSMAJ6.0CA-HRCheckOrder
SMAJ9.0A-HR9400261011.115.4110Unipolar150UnipolarSMAJ9.0A-HRCheckOrder
SMAJ9.0CA-HR9400261011.115.4120Bipolar150BipolarSMAJ9.0CA-HRCheckOrder
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