3425L Series - Surface Mount PolySwitch Resettable PPTCs

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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.

Littelfuse 3425L Series PPTC provides surface mount overcurrent protection for high voltage applications where resettable protection is desired.


  • RoHS compliant and lead-free
  • Halogen-free
  • High voltage
  • Low profile
  • Fast response to fault current


  • Compatible with high-volume electronics assembly
  • Higher voltage ratings allow use in new applications


  • IEEE 1394 port protection
  • Powered ethernet port protection (IEEE 802.3 af)
  • Automotive electronic control module protection
  • Low voltage telecom equipment protection

Access specifications, certifications, check availability and order parts below

Catalog #IHold (A)ITRIP
Max Volts
Trip Time
Operating TemperaturePd Typical (watts)Partner ECAD ModelsStockSamplesCompare
3425L300/363636200.010.06820-40° to 85°C2.53425L300/36CheckOrder
3425L260/602.65.260200.120.12810-40° to 85°C2.53425L260/60CheckOrder
3425L200/602460200.040.2810-40° to 85°C2.53425L200/60CheckOrder
Catalog # Certificates
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3425L300/36 TUViconURiconcURicon
3425L260/60 TUViconURiconcURicon
3425L200/60 TUViconURiconcURicon
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