0209003. - 209 Series

Series: 209
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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 209 Series 350V time-lag (Slo-Blo) fuses are available in cartridge form or with axial leads. This series provides the same performance characteristics as its 3AG counterpart, while occupying one-third the space. Sleeved fuses are available. 


  • In accordance with Underwriter's Laboratories™ Standard UL 248-14
  • Fuses are coard washable in most solvents
  • Available in cartridge and axial lead form and with various forming dimensions
  • RoHS compliant and lead free

Property (Mouseover for details) Value
Body Glass Body Borosilicate
Nominal Melting I2T (A2sec) 77
Moisture Sensitivity Level Contact Littelfuse
Nominal Cold Resistance (Ohms) 0.0383
Opening Slo-Blo/Time Lag (T)/Time Delay
VAC (V) 350
Partner ECAD Models 0209003.
Minimum Operating Temperature -60
Operating Temperature Maximum Celsius 125

METIicon UL_NBK200405_E10480D

METIicon UL_NBK200405_E10480C

0209003. ECAD Models

cURicon cUR_JDYX8_E10480_101211901

URicon UR_JDYX2_E10480_101211901

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Littelfuse 209 Series (2AG) 350V Time-Lag (Slo-Blo®) Fuses are available in cartridge form or with axial leads...

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