250R145-RA - 250R Series

Series: 250R Questions? Contact Littelfuse Support
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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 250R series is designed to protect against short duration high voltage fault currents (power cross or power induction surge) typically found in telecom applications (250Vrms). The series can be used to help telecom networking equipment meet the protection requirements specified in ITU K.20 and K.21.

Features
  • RoHS compliant and lead-free
  • Fast time-to-trip
  • Binned and sorted narrow resistance ranges available
  • 0.08 — 0.18 Hold current range, 60VDC operating voltage
  • 250VAC interrupt rating

ChinaRoHS_RLD _16R _30R _60R _ _250R pdf

Littelfuse_Taiwan_Concord_ISO14001icon TaiwanConcord ISO 14001

Littelfuse_Taiwan_Concord_ISOTS16949icon TaiwanConcord ISOTS 16949

ICP_RLD_16R_30R_60R_72R_250R_600R pdf

UR UR_XGPU2_E183209

curus CUR_XGPU8_E183209

TUV_50119118icon TUV_R50120008_1_29_13

pdf icon Resettable PTC 250R Datasheet

The 250R Series is designed to protect against short duration high voltage fault currents 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...