250S Series - 250V POLYFUSE® Lead-Free Surface Mount 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.

The 250S High Voltage Radial devices (HVR), a polymer-based PTC device, is suitable to protect telephony equipment against lightning and power cross strike, that is fully compatible with telecommunications standards. These devices offer hold current 250Vac and 60Vdc and with low resistance.

Features:
  • RoHS Compliant, Directive 2009/95/EC
  • Low resistance
  • Compatible with telecom standards
  • Helps meet ITU K.20, K.21/Telcordia standards
  • Excellent solder joint inspectability
  • High voltage
Applications:
  • Telecommunications
  • Networking
  • ISDN Equipment
  • XSDN Equipment

Access specifications, certifications, check availability and order parts below

Catalog #IHold (A)ITRIP
(A)
Max Volts
(V)
IMAX
(A)
PDMAX
(W)
RMIN
(Ω)
R1max
(Ω)
Max
Time
To
Trip
(A)
Max
Time
to
Trip Time
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SizeStockSamplesCompare
250S1300.130.2625031.26.52012.53729 (9474)CheckOrder
250S130-RA0.130.2625031.26.51512.53729 (9474)CheckOrder
250S130-RB0.130.2625031.292012.53729 (9474)CheckOrder
250S130-RC0.130.2625031.271712.53729 (9474)Check
250S130V0.130.2625031.2420243729 (9474)CheckOrder

Littelfuse_Taiwan_Concord_ISO14001icon TaiwanConcord ISO 14001

Littelfuse_Taiwan_Concord_ISOTS16949icon TaiwanConcord ISOTS 16949

pdf icon Resettable PTC 250S Datasheet

The 250S High Voltage Radial device is a Polymer-based PTC suitable to protect telephony equipment against lightining and power cross strikes...

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...