0436001. - 436 Series

Series: 436      Obsolete: 2002-02-19 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.

For new designs use the 461 series.


  •  Surface mount overcurrent protection from lightning and power cross.
  •  Meets UL 1459/1950 power cross requirements stand alone.
  •  Ideal for use in telecommunication equipment including modems, fax machines, desk top phones, answering machines and line cards.
  •  UL recognized, with a 250 V operating voltage.
  •  Top side marking allows visual verification of ampere rating.
  •  Complies with Bellcore GR-1089-CORE and FCC 47 part 68 Surge Specifications.
Property (Mouseover for details) Value
Ampere Rating (A) 1
VDC (V) 250
VAC (V) 125
Nominal Melting I2T (A2sec) 2.606
Nominal Cold Resistance (Ohms) 0.475
Interrupting Rating 100A@250VDC
Opening Slo-Blo/Time Lag (T)/Time Delay
Package Size Other
Min Operating Temp °C Not applicable
Max Operating Temp (°C) Not applicable

csa CSA_1422-01_029862

436 Series Data Sheet

436 Series Time Curve Data

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