GTCS35 Series - Low to Medium Surge GDT, 3 Terminal, 5 mm, Surface Mount

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Information furnished is believed to be accurate and reliable. However, users should independently evaluate the suitability of and test each product selected for their own applications. Littelfuse products are not designed for, and shall not be used for, any purpose (including, without limitation, 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.

Helping to protect telecom equipment. Our GDTs offer surge protection over a broad voltage range, and low capacitance and many form factors including new surface-mount devices that make them suitable for many different applications and surge protection on power lines. Their low capacitance also reduces signal distortion.

High Accuracy, Low Insertion Loss

  • Low capacitance and insertion loss
  • Crowbar device with low arc voltage
  • High accuracy spark-over voltages for high precision designs
  • Optional fail-short mechanisms
  • RoHS Compliant, Halogen free

Overvoltage Fault Protection

  • Provides overvoltage fault protection against damage caused by high energy surges
  • Suitable for use in sensitive equipment due to impulse sparkover response
  • Suitable for high-frequency applications
  • New surface-mount devices for automated manufacturing

Telecommunications, Industrial, and Consumer Electronics

  • MDF modules
  • xDSL equipment
  • RF systems
  • Antennas
  • Base stations
Industrial and Consumer Electronics
  • Power supplies
  • Surge protectors
  • Alarm systems
  • Irrigation systems

Access specifications, certifications, check availability and order parts below

Catalog #DC Sparkover Voltage Tolerance (%)VNom Spark
@ 100V/μs
@ 1kV/μs
Capacitance (Co) (pF)Impulse Discharge Current @8/20μs (kA)ElectrodesFailsafeOperating TemperatureProduct
Partner ECAD ModelsStockSamplesCompare
GTCS35-151M-R05-2±20%150<=500<=600<153Without-40° to 90°CProduct SpecificationGTCS35-151M-R05-2CheckOrder
GTCS35-201M-R05±20%200<=600<=700<153Without-40° to 90°CProduct SpecificationGTCS35-201M-R05CheckOrder
GTCS35-231M-R05±20%230<=600<=700<153Without-40° to 90°CProduct SpecificationGTCS35-231M-R05CheckOrder
GTCS35-301M-R05-2±20%300<=800<=900<153Without-40° to 90°CProduct SpecificationGTCS35-301M-R05-2CheckOrder
GTCS35-401M-R05±20%400<=900<=1000<153Without-40° to 90°CProduct SpecificationGTCS35-401M-R05CheckOrder
GTCS35-421M-R05-2±20%420<=900<=1000<153Without-40° to 90°CProduct SpecificationGTCS35-421M-R05-2CheckOrder
GTCS35-750M-R05±20%75<=450<=550<153Without-40° to 90°CProduct SpecificationGTCS35-750M-R05CheckOrder
GTCS35-750M-R05-2±20%75<=450<=550<153Without-40° to 90°CProduct SpecificationGTCS35-750M-R05-2CheckOrder
GTCS35-750M-R05-FT-2±20%75<=450<=550<153With-20° to 65°CProduct SpecificationGTCS35-750M-R05-FT-2CheckOrder
GTCS35-900M-R05±20%90<=450<=550<153Without-40° to 90°CProduct SpecificationGTCS35-900M-R05CheckOrder
GTCS35-900M-R05-2±20%90<=450<=550<153Without-40° to 90°CProduct SpecificationGTCS35-900M-R05-2CheckOrder
Part # Part Description RoHS Pb-free RoHS (2015/ 863/EU) Certificate REACH (SVHC’s) Declaration Halogen Free REACH (SVHC’s) IPC-Material Declaration
RF2056-000 GTCS35-151M-R05-2 RoHS No 02/18/2019 PbFree No 02/18/2019 CoC_RoHS10_RF2056-000_GTCS35-151M-R05-2 REACH_SVHC Declaration_RF2056-000 (GTCS35-151M-R05-2) No
Does not Contain
RF1448-000 GTCS35-201M-R05 RoHS No 02/18/2019 PbFree No 02/18/2019 No
RF1381-000 GTCS35-231M-R05 RoHS No 02/18/2019 PbFree No 02/18/2019 No
RF2339-000 GTCS35-301M-R05-2 RoHS No 02/18/2019 PbFree No 02/18/2019 No
RF1013-000 GTCS35-401M-R05 RoHS No 02/18/2019 PbFree No 02/18/2019 No
RF2043-000 GTCS35-421M-R05-2 RoHS No 02/18/2019 PbFree No 02/18/2019 No
RF1260-000 GTCS35-750M-R05 RoHS No 02/18/2019 PbFree No 02/18/2019 CoC_RoHS10_RF1260-000_GTCS35-750M-R05 REACH205_Declaration_RF1260-000_GTCS35-750M-R05 No
Does not Contain IPC_RF1260-000_-GTCS35-750M-R05
RF2046-000 GTCS35-750M-R05-2 RoHS No 11/15/2007 PbFree No 11/15/2007 CoC_RoHS10_RF2046-000_(GTCS35-750M-R05-2) REACH219_Declaration_RF2046-000_(GTCS35-750M-R05-2) Yes
Does not Contain IPC_RF2046-000_(GTCS35-750M-R05-2)
RF4344-000 GTCS35-750M-R05-FT-2 RoHS No 02/18/2019 PbFree No 02/18/2019 No
RF1382-000 GTCS35-900M-R05 RoHS No 02/18/2019 PbFree No 02/18/2019 CoC_RoHS10_RF1382-000_GTCS35-900M-R05 REACH211_Declaration_RF1382-000_(GTCS35-900M-R05) No
Does not Contain IPC_RF1382-000_(GTCS35-900M-R05)
RF2123-000 GTCS35-900M-R05-2 RoHS No 02/18/2019 PbFree No 02/18/2019 CoC_RoHS10_RF2123-000_GTCS35-900M-R05-2 REACH201_Declaration_RF2123-000_GTCS35-900M-R05-2 No
Does not Contain IPC_RF2123-000_-GTCS25-900M-R02
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