SZ1SMCxxA Series - Transient Voltage Suppressor, Unidirectional, 1500 Watt

Series: SZ1SMCxxA
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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 SZ1SMC series is designed to protect voltage sensitive components from high voltage, high energy transients. They have excellent clamping capability, high surge capability, low zener impedance and fast response time. The SZ1SMC series is supplied in the cost-effective, highly reliable DO-214AB package and is ideally suited for use in communication systems, automotive, numerical controls, process controls, medical equipment, business machines, power supplies and many other industrial/consumer applications.

Features & Benefits:

  • Zener Transient Overvoltage Suppressors
  • Working Peak Reverse Voltage Range − 5.0 V to 78 V
  • Standard Zener Breakdown Voltage Range − 6.4 V to 95.8 V
  • Peak Power − 1500 W @1 ms
  • ESD Rating of Class 3 (> 16 KV) per Human Body Model
  • Maximum Clamp Voltage @ Peak Pulse Current
  • Low Leakage < 5 µA Above 10 V
  • UL Recognized to UL 497B as an Isolated Loop Circuit Protector
  • Maximum Temperature Coefficient Specified
  • Response Time is Typically < 1 ns
  • Pb−Free Packages are Available
  • SZ Prefix for Automotive and Other Applications Requiring Unique Site and Control Change Requirements; AEC−Q101 Qualified and PPAP Capable

Application Spotlight

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)
TYP VBR@IT (V)Vc (V)IT
(mA)		Ir@Vso
(μA)		Uni / BiOperating Temperature Maximum CelsiusPackagePartner ECAD ModelsStockSamplesCompare
SZ1SMC100AT3G10015009.311112311716215Unidirectional175DO-214ABSZ1SMC100AT3GCheckOrder
SZ1SMC10AT3G10150088.211.112.311.71715Unidirectional175DO-214ABSZ1SMC10AT3GCheckOrder
SZ1SMC110AT3G11015008.5122135128.517715Unidirectional175DO-214ABSZ1SMC110AT3GCheckOrder
SZ1SMC11AT3G11150082.412.213.512.8518.215Unidirectional175DO-214ABSZ1SMC11AT3GOrder
SZ1SMC120AT3G12015007.813314714019315Unidirectional175DO-214ABSZ1SMC120AT3GCheckOrder
SZ1SMC12AT3G12150075.313.314.71419.915Unidirectional175DO-214ABSZ1SMC12AT3GCheckOrder
SZ1SMC130AT3G13015007.2144159151.520915Unidirectional175DO-214ABSZ1SMC130AT3GCheckOrder
SZ1SMC13AT3G13150069.714.415.915.1521.515Unidirectional175DO-214ABSZ1SMC13AT3GCheckOrder
SZ1SMC14AT3G14150064.715.617.216.423.215Unidirectional175DO-214ABSZ1SMC14AT3GCheckOrder
SZ1SMC150AT3G15015006.216718517624315Unidirectional175DO-214ABSZ1SMC150AT3GCheckOrder
SZ1SMC15AT3G15150061.516.718.517.624.415Unidirectional175DO-214ABSZ1SMC15AT3GCheckOrder
SZ1SMC160AT3G16015005.8178197187.525915Unidirectional175DO-214ABSZ1SMC160AT3GCheckOrder
SZ1SMC16AT3G16150057.717.819.718.752615Unidirectional175DO-214ABSZ1SMC16AT3GCheckOrder
SZ1SMC170AT3G17015005.518920919927515Unidirectional175DO-214ABSZ1SMC170AT3GCheckOrder
SZ1SMC17AT3G17150053.318.920.919.927.615Unidirectional175DO-214ABSZ1SMC17AT3GCheckOrder
SZ1SMC18AT3G18150051.42022.121.0529.215Unidirectional175DO-214ABSZ1SMC18AT3GCheckOrder
SZ1SMC20AT3G20150046.322.224.523.3532.415Unidirectional175DO-214ABSZ1SMC20AT3GCheckOrder
SZ1SMC22AT3G22150042.224.426.925.6535.515Unidirectional175DO-214ABSZ1SMC22AT3GCheckOrder
SZ1SMC24AT3G24150038.626.729.528.138.915Unidirectional175DO-214ABSZ1SMC24AT3GCheckOrder
SZ1SMC26AT3G26150035.628.931.930.442.115Unidirectional175DO-214ABSZ1SMC26AT3GCheckOrder
SZ1SMC28AT3G2815003331.134.432.7545.415Unidirectional175DO-214ABSZ1SMC28AT3GCheckOrder
SZ1SMC30AT3G3015003133.336.835.0548.415Unidirectional175DO-214ABSZ1SMC30AT3GCheckOrder
SZ1SMC33AT3G33150028.136.740.638.6553.315Unidirectional175DO-214ABSZ1SMC33AT3GCheckOrder
SZ1SMC36AT3G36150025.84044.242.158.115Unidirectional175DO-214ABSZ1SMC36AT3GCheckOrder
SZ1SMC40AT3G40150032.244.449.146.7564.515Unidirectional175DO-214ABSZ1SMC40AT3GCheckOrder
SZ1SMC43AT3G43150021.647.852.850.369.415Unidirectional175DO-214ABSZ1SMC43AT3GCheckOrder
SZ1SMC45AT3G45150020.85055.352.6572.215Unidirectional175DO-214ABSZ1SMC45AT3GOrder
SZ1SMC48AT3G48150019.453.358.956.177.415Unidirectional175DO-214ABSZ1SMC48AT3GCheckOrder
SZ1SMC5.0AT3G515001636.476.79.2101000Unidirectional175DO-214ABSZ1SMC5.0AT3GCheckOrder
SZ1SMC51AT3G51150018.256.762.759.782.415Unidirectional175DO-214ABSZ1SMC51AT3GCheckOrder
SZ1SMC54AT3G54150017.26066.363.1587.115Unidirectional175DO-214ABSZ1SMC54AT3GCheckOrder
SZ1SMC58AT3G5815001664.471.267.893.615Unidirectional175DO-214ABSZ1SMC58AT3GCheckOrder
SZ1SMC6.0AT3G61500145.66.677.377.0210.3101000Unidirectional175DO-214ABSZ1SMC6.0AT3GCheckOrder
SZ1SMC64AT3G64150014.671.178.674.8510315Unidirectional175DO-214ABSZ1SMC64AT3GCheckOrder
SZ1SMC6.5AT3G6.51500133.97.227.987.611.210500Unidirectional175DO-214ABSZ1SMC6.5AT3GCheckOrder
SZ1SMC70AT3G70150013.377.88681.911315Unidirectional175DO-214ABSZ1SMC70AT3GCheckOrder
SZ1SMC7.5AT3G7.51500116.38.339.218.7712.91100Unidirectional175DO-214ABSZ1SMC7.5AT3GCheckOrder
SZ1SMC78AT3G78150011.486.795.891.2512615Unidirectional175DO-214ABSZ1SMC78AT3GCheckOrder
SZ1SMC8.0AT3G81500110.38.899.839.3613.6150Unidirectional175DO-214ABSZ1SMC8.0AT3GCheckOrder
SZ1SMC85AT3G85150010.994.410499.213715Unidirectional175DO-214ABSZ1SMC85AT3GCheckOrder
SZ1SMC9.0AT3G9150097.41011.110.5515.4110Unidirectional175DO-214ABSZ1SMC9.0AT3GCheckOrder
Catalog # Certificates
Sorting icon
SZ1SMC13AT3G URicon
SZ1SMC16AT3G URicon
SZ1SMC17AT3G URicon
SZ1SMC20AT3G URicon
SZ1SMC22AT3G URicon
SZ1SMC24AT3G URicon
SZ1SMC26AT3G URicon
SZ1SMC28AT3G URicon
SZ1SMC30AT3G URicon
SZ1SMC33AT3G URicon
SZ1SMC36AT3G URicon
SZ1SMC40AT3G URicon
SZ1SMC48AT3G URicon
SZ1SMC51AT3G URicon
Part # Part Description RoHS Pb-free RoHS (2015/ 863/EU) Certificate REACH (SVHC’s) Declaration Halogen Free REACH (SVHC’s) IPC-Material Declaration
SZ1SMC10AT3G Zen TVS 1500W 10V UNI DO-214AB TR13 RoHS No 02/21/2019 PbFree No 02/21/2019 Yes
02/21/2019
SZ1SMC12AT3G Zen TVS 1500W 12V UNI DO-214AB TR13 RoHS No 02/21/2019 PbFree No 02/21/2019 Yes
02/21/2019		 IPC_SZ1SMCxxAT3G-_SZ1.5SMCxxAT3G_-A
SZ1SMC13AT3G Zen TVS 1500W 13V UNI DO-214AB TR13 RoHS No 10/29/2017 PbFree No 10/29/2017 Yes
10/29/2017
SZ1SMC14AT3G Zen TVS 1500W 14V UNI DO-214AB TR13 RoHS No 02/21/2019 PbFree No 02/21/2019 Yes
02/21/2019
SZ1SMC15AT3G Zen TVS 1500W 15V UNI DO-214AB TR13 RoHS No 02/21/2019 PbFree No 02/21/2019 Yes
02/21/2019
SZ1SMC16AT3G Zen TVS 1500W 16V UNI DO-214AB TR13 RoHS No 10/29/2017 PbFree No 10/29/2017 CoC_RoHS9_SZ1SMC16AT3G Yes
10/29/2017		 IPC_SZ1SMC16AT3G
SZ1SMC17AT3G Zen TVS 1500W 17V UNI DO-214AB TR13 RoHS No 10/29/2017 PbFree No 10/29/2017 Yes
10/29/2017
SZ1SMC18AT3G Zen TVS 1500W 18V UNI DO-214AB TR13 RoHS No 02/21/2019 PbFree No 02/21/2019 Yes
02/21/2019
SZ1SMC20AT3G Zen TVS 1500W 20V UNI DO-214AB TR13 RoHS No 10/29/2017 PbFree No 10/29/2017 Yes
10/29/2017
SZ1SMC22AT3G Zen TVS 1500W 22V UNI DO-214AB TR13 RoHS No 10/29/2017 PbFree No 10/29/2017 Yes
10/29/2017
SZ1SMC24AT3G Zen TVS 1500W 24V UNI DO-214AB TR13 RoHS No 10/29/2017 PbFree No 10/29/2017 CoC_RoHS9_SZ1SMC24AT3G REACH209_Declaration_Contain-_SZ1SMC24AT3G Yes
10/29/2017		 Contains
SZ1SMC26AT3G Zen TVS 1500W 26V UNI DO-214AB TR13 RoHS No 10/29/2017 PbFree No 10/29/2017 CoC_RoHS9_SZ1SMC26AT3G REACH205_Declaration_with_Pb_SZ1SMC26AT3G Yes
10/29/2017		 Contains IPC_SZ1SMCxxAT3G-_SZ1.5SMCxxAT3G_-A
SZ1SMC28AT3G Zen TVS 1500W 28V UNI DO-214AB TR13 RoHS No 10/29/2017 PbFree No 10/29/2017 Yes
10/29/2017
SZ1SMC30AT3G Zen TVS 1500W 30V UNI DO-214AB TR13 RoHS No 10/29/2017 PbFree No 10/29/2017 CoC_RoHS9_SZ1SMC30AT3G Yes
10/29/2017
SZ1SMC33AT3G Zen TVS 1500W 33V UNI DO-214AB TR13 RoHS No 10/29/2017 PbFree No 10/29/2017 Yes
10/29/2017
SZ1SMC36AT3G Zen TVS 1500W 36V UNI DO-214AB TR13 RoHS No 10/29/2017 PbFree No 10/29/2017 Yes
10/29/2017		 IPC_SZ1SMCxxAT3G-_SZ1.5SMCxxAT3G_-A
SZ1SMC40AT3G Zen TVS 1500W 40V UNI DO-214AB TR13 RoHS No 10/29/2017 PbFree No 10/29/2017 Yes
10/29/2017
SZ1SMC43AT3G Zen TVS 1500W 43V UNI DO-214AB TR13 RoHS No 02/21/2019 PbFree No 02/21/2019 Yes
02/21/2019
SZ1SMC48AT3G Zen TVS 1500W 48V UNI DO-214AB TR13 RoHS No 10/29/2017 PbFree No 10/29/2017 Yes
10/29/2017
SZ1SMC5.0AT3G Zen TVS 1500W 5V UNI DO-214AB TR13 RoHS No 02/21/2019 PbFree No 02/21/2019 Yes
02/21/2019
SZ1SMC51AT3G Zen TVS 1500W 51V UNI DO-214AB TR13 RoHS No 10/29/2017 PbFree No 10/29/2017 Yes
10/29/2017
SZ1SMC54AT3G Zen TVS 1500W 54V UNI DO-214AB TR13 RoHS No 02/21/2019 PbFree No 02/21/2019 Yes
02/21/2019
SZ1SMC58AT3G Zen TVS 1500W 58V UNI DO-214AB TR13 RoHS No 02/21/2019 PbFree No 02/21/2019 CoC_RoHS9_SZ1SMC58AT3G REACH_SVHC Declaration (Contain)_SZ1SMC58AT3G Yes
02/21/2019		 Contains
SZ1SMC6.0AT3G Zen TVS 1500W 6V UNI DO-214AB TR13 RoHS No 02/21/2019 PbFree No 02/21/2019 Yes
02/21/2019
SZ1SMC60AT3G Zen TVS 1500W 60V UNI DO-214AB TR13 RoHS No 02/21/2019 PbFree No 02/21/2019 Yes
02/21/2019
SZ1SMC64AT3G Zen TVS 1500W 64V UNI DO-214AB TR13 RoHS No 02/21/2019 PbFree No 02/21/2019 Yes
02/21/2019
SZ1SMC6.5AT3G Zen TVS 1500W 6.5V UNI DO-214AB TR13 RoHS No 02/21/2019 PbFree No 02/21/2019 Yes
02/21/2019
SZ1SMC70AT3G Zen TVS 1500W 70V UNI DO-214AB TR13 RoHS No 02/21/2019 PbFree No 02/21/2019 Yes
02/21/2019
SZ1SMC7.5AT3G Zen TVS 1500W 7.5V UNI DO-214AB TR13 RoHS No 02/21/2019 PbFree No 02/21/2019 Yes
02/21/2019
SZ1SMC75AT3G Zen TVS 1500W 75V UNI DO-214AB TR13 RoHS No 02/21/2019 PbFree No 02/21/2019 Yes
02/21/2019
SZ1SMC78AT3G Zen TVS 1500W 78V UNI DO-214AB TR13 RoHS No 02/21/2019 PbFree No 02/21/2019 Yes
02/21/2019
SZ1SMC8.0AT3G Zen TVS 1500W 8V UNI DO-214AB TR13 RoHS No 02/21/2019 PbFree No 02/21/2019 Yes
02/21/2019
SZ1SMC9.0AT3G Zen TVS 1500W 9V UNI DO-214AB TR13 RoHS No 02/21/2019 PbFree No 02/21/2019 Yes
02/21/2019
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