SZ1.5SMC68AT3G - SZ1.5SMCxxA Series

Series: SZ1.5SMCxxA
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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

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Application Spotlight


Property (Mouseover for details) Value
Reverse Standoff Voltage (VR) (Vso) 58.1
Watts (W) 1500
Peak Pulse Current (Ipp) 10x1000 (A) 16.3
Breakdown Voltage (MIN VBR@IT ) (V) 64.6
Breakdown Voltage (VBR@IT) (V) 71.4
Breakdown Voltage (TYP VBR@IT) (V) 68
Ir @Vso( μA) 5
On-State Current (IT) (mA) 1
Max Clamp Voltage (Vc) (V) 92
Uni / Bi-Directional Unidirectional
Partner ECAD Models SZ1.5SMC68AT3G
Operating Temperature Maximum Celsius 175
Package DO-214AB

Part # Part Description RoHS Pb-free RoHS (2015/ 863/EU) Certificate REACH (SVHC’s) Declaration Halogen Free REACH (SVHC’s) IPC-Material Declaration
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
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