600R Series - 600V PolySwitch® Lead-Free Radial Leaded Resettable PPTC for Telecom Protection

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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 600R series is designed to protect against power fault events typically found in telecom applications. This series is designed to be used in applications that need to meet the requirements of GR-1089-CORE and UL60950/EN60950/IEC60950. These resettable devices also meet the requirements of ITU K.20, K.21 and K.44.

  • RoHS compliant and lead-free
  • Fast time-to-trip
  • Binned and sorted narrow resistance ranges available
  • 0.15 — 0.16A Hold current range, 60VDC operating voltage
  • 600VAC interrupt rating

Access specifications, certifications, check availability and order parts below

Catalog #IHold (A)ITRIP
Max Volts
Trip Time
(deg C)
600R1500.150.36003162214-40¦C - + 85¦C12Through HoleCheckOrder
600R150-RA0.150.36003172014-40¦C - + 85¦C10Through HoleCheckOrder
600R150-RB0.150.36003192213-40¦C - + 85¦C12Through HoleCheckOrder
600R1600.160.3260031418110-40¦C - + 85¦C10Through HoleCheckOrder
600R160-R10.160.3260031417110-40¦C - + 85¦C8Through HoleCheckOrder
600R160-RA0.160.3260031416110-40¦C - + 85¦C7Through HoleCheckOrder

pdf icon Resettable PTC 600R Datasheet

The 600R series is designed to protect against power fault events typically found in telecom applications...

pdf icon Product Selection Guide

Electronics Circuit Protection Product Selection Guide - A guide to selecting Littelfuse circuit protection components for electronic applications...

pdf icon Circuit Protection Technology Application Matrix

Littelfuse is the world leader in the design and manufacturing of fuses for the automotive, industrial, handheld, computer and telecom markets...