SZ1.5SMCxxA Series - Zener Transient Voltage Suppressor, 1500 Watt Peak Power

Series: SZ1.5SMCxxA
Questions? Contact Littelfuse Support
TVS Diode TPSMC Image
Roll Over to Zoom
Disclaimer Notice

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 SZ1.5SMC 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 SZ1.5SMC series is supplied in the exclusive, cost-effective, highly reliable Littelfuse 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 − 5.8 V to 77.8 V
  • Standard Zener Breakdown Voltage Range − 6.45 V to 95.5V
  • 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
  • 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< 1 ns
  • SZ Prefix for Automotive and Other Applications Requiring Unique Site and Control Change Requirements; AEC−Q101 Qualified and PPAP Capable< 1 ns

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
SZ1.5SMC15AT3G12.815007114.315.81521.215Unidirectional175DO-214ABSZ1.5SMC15AT3GCheckOrder
SZ1.5SMC16AT3G13.615006715.216.81622.515Unidirectional175DO-214ABSZ1.5SMC16AT3GCheckOrder
SZ1.5SMC18AT3G15.3150059.517.118.91825.215Unidirectional175DO-214ABSZ1.5SMC18AT3GCheckOrder
SZ1.5SMC20AT3G17.115005419212027.715Unidirectional175DO-214ABSZ1.5SMC20AT3GCheckOrder
SZ1.5SMC22AT3G18.815004920.923.12230.615Unidirectional175DO-214ABSZ1.5SMC22AT3GCheckOrder
SZ1.5SMC24AT3G20.515004522.825.22433.215Unidirectional175DO-214ABSZ1.5SMC24AT3GCheckOrder
SZ1.5SMC27AT3G23.115004025.728.42737.515Unidirectional175DO-214ABSZ1.5SMC27AT3GCheckOrder
SZ1.5SMC30AT3G25.615003628.531.53041.415Unidirectional175DO-214ABSZ1.5SMC30AT3GCheckOrder
SZ1.5SMC33AT3G28.215003331.434.73345.715Unidirectional175DO-214ABSZ1.5SMC33AT3GCheckOrder
SZ1.5SMC36AT3G30.815003034.237.83649.915Unidirectional175DO-214ABSZ1.5SMC36AT3GCheckOrder
SZ1.5SMC39AT3G33.315002837.1413953.915Unidirectional175DO-214ABSZ1.5SMC39AT3GCheckOrder
SZ1.5SMC43AT3G36.8150025.340.945.24359.315Unidirectional175DO-214ABSZ1.5SMC43AT3GCheckOrder
SZ1.5SMC47AT3G40.2150023.244.749.44764.815Unidirectional175DO-214ABSZ1.5SMC47AT3GCheckOrder
SZ1.5SMC51AT3G43.6150021.448.553.65170.115Unidirectional175DO-214ABSZ1.5SMC51AT3GCheckOrder
SZ1.5SMC56AT3G47.8150019.553.258.8567715Unidirectional175DO-214ABSZ1.5SMC56AT3GCheckOrder
SZ1.5SMC6.8AT3G5.815001436.457.146.810.5101000Unidirectional175DO-214ABSZ1.5SMC6.8AT3GCheckOrder
SZ1.5SMC62AT3G53150017.758.965.1628515Unidirectional175DO-214ABSZ1.5SMC62AT3GCheckOrder
SZ1.5SMC68AT3G58.1150016.364.671.4689215Unidirectional175DO-214ABSZ1.5SMC68AT3GCheckOrder
SZ1.5SMC7.5AT3G6.415001327.137.887.511.310500Unidirectional175DO-214ABSZ1.5SMC7.5AT3GCheckOrder
SZ1.5SMC100AT3G85.51500119510510013715Unidirectional175DO-214ABSZ1.5SMC100AT3GCheckOrder
SZ1.5SMC10AT3G8.5515001039.510.51014.5110Unidirectional175DO-214ABSZ1.5SMC10AT3GCheckOrder
SZ1.5SMC110AT3G9415009.9105116110.515215Unidirectional175DO-214ABSZ1.5SMC110AT3GCheckOrder
SZ1.5SMC11AT3G9.415009610.511.611.0515.6110Unidirectional175DO-214ABSZ1.5SMC11AT3GCheckOrder
SZ1.5SMC120AT3G10215009.111412612016515Unidirectional175DO-214ABSZ1.5SMC120AT3GCheckOrder
SZ1.5SMC12AT3G10.215009011.412.61216.715Unidirectional175DO-214ABSZ1.5SMC12AT3GCheckOrder
SZ1.5SMC130AT3G11115008.4124137130.517915Unidirectional175DO-214ABSZ1.5SMC130AT3GCheckOrder
SZ1.5SMC13AT3G11.115008212.413.71318.215Unidirectional175DO-214ABSZ1.5SMC13AT3GCheckOrder
SZ1.5SMC150AT3G12815007.3143158150.520715Unidirectional175DO-214ABSZ1.5SMC150AT3GCheckOrder
SZ1.5SMC160AT3G13615006.915216816021915Unidirectional175DO-214ABSZ1.5SMC160AT3GCheckOrder
SZ1.5SMC170AT3G14515006.4162179170.523415Unidirectional175DO-214ABSZ1.5SMC170AT3GCheckOrder
SZ1.5SMC180AT3G15415006.117118918024615Unidirectional175DO-214ABSZ1.5SMC180AT3GCheckOrder
SZ1.5SMC200AT3G17115005.519021020027415Unidirectional175DO-214ABSZ1.5SMC200AT3GCheckOrder
SZ1.5SMC75AT3G64.1150014.671.378.87510315Unidirectional175DO-214ABSZ1.5SMC75AT3GCheckOrder
SZ1.5SMC82AT3G70.1150013.377.986.18211315Unidirectional175DO-214ABSZ1.5SMC82AT3GCheckOrder
SZ1.5SMC91AT3G77.815001286.595.59112515Unidirectional175DO-214ABSZ1.5SMC91AT3GCheckOrder
Catalog # Certificates
Sorting icon
SZ1.5SMC15AT3G uricon
SZ1.5SMC16AT3G uricon
SZ1.5SMC18AT3G uricon
SZ1.5SMC20AT3G uricon
SZ1.5SMC22AT3G uricon
SZ1.5SMC24AT3G uricon
SZ1.5SMC27AT3G uricon
SZ1.5SMC30AT3G uricon
SZ1.5SMC33AT3G uricon
SZ1.5SMC36AT3G uricon
SZ1.5SMC39AT3G uricon
SZ1.5SMC43AT3G uricon
SZ1.5SMC47AT3G uricon
SZ1.5SMC51AT3G uricon
SZ1.5SMC56AT3G uricon
SZ1.5SMC6.8AT3G uricon
SZ1.5SMC62AT3G uricon
SZ1.5SMC7.5AT3G uricon
Part # Part Description RoHS Pb-free RoHS (2015/ 863/EU) Certificate REACH (SVHC’s) Declaration Halogen Free REACH (SVHC’s) IPC-Material Declaration
SZ1.5SMC15AT3G Zen TVS 1500W 15V VZ UNI DO-214AB TR13 RoHS No 10/10/2017 PbFree No 10/10/2017 CoC_RoHS9_SZ1.5SMC15AT3G REACH_SVHC Declaration (Contain)_SZ1.5SMC15AT3G Yes
10/10/2017		 Contains
SZ1.5SMC16AT3G Zen TVS 1500W 16V VZ UNI DO-214AB TR13 RoHS No 10/10/2017 PbFree No 10/10/2017 Yes
10/10/2017
SZ1.5SMC18AT3G Zen TVS 1500W 18V VZ UNI DO-214AB TR13 RoHS No 10/10/2017 PbFree No 10/10/2017 Yes
10/10/2017
SZ1.5SMC20AT3G Zen TVS 1500W 20V VZ UNI DO-214AB TR13 RoHS No 10/10/2017 PbFree No 10/10/2017 CoC_RoHS9_SZ1.5SMC20AT3G
SZ1.5SMC22AT3G Zen TVS 1500W 22V VZ UNI DO-214AB TR13 RoHS No 10/10/2017 PbFree No 10/10/2017 CoC_RoHS9_SZ1.5SMC22AT3G Yes
10/10/2017
SZ1.5SMC24AT3G Zen TVS 1500W 24V VZ UNI DO-214AB TR13 RoHS No 10/10/2017 PbFree No 10/10/2017 CoC_RoHS9_SZ1.5SMC24AT3G REACH211_Declaration_(Contain)_SZ1.5SMC24AT3G Yes
10/10/2017		 Contains
SZ1.5SMC27AT3G Zen TVS 1500W 27V VZ UNI DO-214AB TR13 RoHS No 07/20/2017 PbFree No 07/20/2017 CoC_RoHS9_SZ1.5SMC27AT3G Yes
07/20/2017		 IPC_SZ1SMCxxAT3G-_SZ1.5SMCxxAT3G_-A
SZ1.5SMC30AT3G Zen TVS 1500W 30V VZ UNI DO-214AB TR13 RoHS No 09/12/2017 PbFree No 09/12/2017 CoC_RoHS9_SZ1.5SMC30AT3G REACH_SVHC Declaration (Contain)_SZ1.5SMC30AT3G Yes
09/12/2017		 Contains IPC_SZ1SMCxxAT3G-_SZ1.5SMCxxAT3G_-A
SZ1.5SMC33AT3G Zen TVS 1500W 33V VZ UNI DO-214AB TR13 RoHS No 07/20/2017 PbFree No 07/20/2017 CoC_RoHS9_SZ1.5SMC33AT3G REACH219_Declaration_(Contain)_SZ1.5SMC33AT3G Yes
07/20/2017		 Contains IPC_SZ1SMCxxAT3G-_SZ1.5SMCxxAT3G_-A
SZ1.5SMC36AT3G Zen TVS 1500W 36V VZ UNI DO-214AB TR13 RoHS No 10/10/2017 PbFree No 10/10/2017 Yes
10/10/2017
SZ1.5SMC39AT3G Zen TVS 1500W 39V VZ UNI DO-214AB TR13 RoHS No 10/10/2017 PbFree No 10/10/2017 CoC_RoHS9_SZ1.5SMC39AT3G REACH205_Declaration_with_Pb_SZ1.5SMC39AT3G Yes
10/10/2017		 Contains IPC_SZ1SMCxxAT3G-_SZ1.5SMCxxAT3G_-A
SZ1.5SMC43AT3G Zen TVS 1500W 43V VZ UNI DO-214AB TR13 RoHS No 10/10/2017 PbFree No 10/10/2017 CoC_RoHS9_SZ1.5SMC43AT3G REACH219_Declaration_(Contain)_SZ1.5SMC43AT3G Yes
10/10/2017		 Contains IPC_SZ1SMCxxAT3G-_SZ1.5SMCxxAT3G_-A
SZ1.5SMC47AT3G Zen TVS 1500W 47V VZ UNI DO-214AB TR13 RoHS No 10/10/2017 PbFree No 10/10/2017 CoC_RoHS9_SZ1.5SMC47AT3G REACH209_Declaration_Contain-_SZ1.5SMC47AT3G Yes
10/10/2017		 Contains
SZ1.5SMC51AT3G Zen TVS 1500W 51V VZ UNI DO-214AB TR13 RoHS No 10/10/2017 PbFree No 10/10/2017 Yes
10/10/2017
SZ1.5SMC56AT3G Zen TVS 1500W 56V VZ UNI DO-214AB TR13 RoHS No 10/10/2017 PbFree No 10/10/2017 Yes
10/10/2017
SZ1.5SMC6.8AT3G Zen TVS 1500W 6.8V VZ UNI DO-214AB TR13 RoHS No 10/10/2017 PbFree No 10/10/2017 CoC_RoHS9_SZ1.5SMC6.8AT3G REACH211_Declaration_(Contain)_SZ1.5SMC6.8AT3G Yes
10/10/2017		 Contains
SZ1.5SMC62AT3G Zen TVS 1500W 62V VZ UNI DO-214AB TR13 RoHS No 10/10/2017 PbFree No 10/10/2017 CoC_RoHS9_SZ1.5SMC62AT3G Yes
10/10/2017		 IPC_SZ1SMCxxAT3G-_SZ1.5SMCxxAT3G_-A
SZ1.5SMC68AT3G Zen TVS 1500W 68V VZ UNI DO-214AB TR13 RoHS No 05/04/2018 PbFree No 05/04/2018 CoC_RoHS9_SZ1.5SMC68AT3G Yes
05/04/2018		 IPC_SZ1.5SMC68AT3G
SZ1.5SMC7.5AT3G Zen TVS 1500W 7.5V VZ UNI DO-214AB TR13 RoHS No 10/10/2017 PbFree No 10/10/2017 Yes
10/10/2017
SZ1.5SMC10AT3G Zen TVS 1500W 10V VZ UNI DO-214AB TR13 RoHS No 02/21/2019 PbFree No 02/21/2019 Yes
02/21/2019
SZ1.5SMC12AT3G Zen TVS 1500W 12V VZ UNI DO-214AB TR13 RoHS No 02/21/2019 PbFree No 02/21/2019 Yes
02/21/2019
SZ1.5SMC13AT3G Zen TVS 1500W 13V VZ UNI DO-214AB TR13 RoHS No 02/21/2019 PbFree No 02/21/2019 Yes
02/21/2019
SZ1.5SMC75AT3G Zen TVS 1500W 75V VZ UNI DO-214AB TR13 RoHS No 02/21/2019 PbFree No 02/21/2019 Yes
02/21/2019
SZ1.5SMC82AT3G Zen TVS 1500W 82V VZ UNI DO-214AB TR13 RoHS No 02/21/2019 PbFree No 02/21/2019 Yes
02/21/2019
SZ1.5SMC8.2AT3G Zen TVS 12500W 8.2V VZ UNI DO-214AB TR13 RoHS No 02/21/2019 PbFree No 02/21/2019 Yes
02/21/2019
SZ1.5SMC91AT3G Zen TVS 1500W 91V VZ UNI DO-214AB TR13 RoHS No 02/21/2019 PbFree No 02/21/2019 Yes
02/21/2019
SZ1.5SMC9.1AT3G Zen TVS 12500W 9.1V VZ UNI DO-214AB TR13 RoHS No 02/21/2019 PbFree No 02/21/2019 Yes
02/21/2019
If the product environmental information that you are looking for does not appear in this tab,
please complete the Product Environmental Information Request Form.