305.160 - PICO® 305 Series

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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 PICO® 305 Series offers a range of encapsulated fuses approved under the UL913 standard for Intrinsically Safe Electrical Equipment to operate in hazardous locations. It is ideal for use in the oil, gas, mining, chemical, pharmaceutical, food/beverage processing industries; it was designed to limit the energy and heat generated during its operation. In addition to UL913, these fuses meet ATEX and IECEx requirements.


  • Sealed, encapsulated design
  • Well suited for 277V applications
  • Current rating options from 50mA to 750mA
  • Designed for operation in a range of hazardous environments
  • High Interrupting Rating. Meets the 1500A minimum


  • The fuse encapsulation prevents heat and sparks from being exposed to hazardous dusts and gases in the environment
  • Eliminates the need for additional potting, epoxy, or encapsulation processes for the fuse, thereby reducing total product cost
  • Increases overall safety of the apparatus, which enhances protection of human life in hazardous operating environments


  • Testing, measuring or processing electronic and electrical equipment
  • Motor controllers
  • Lighting
  • Communication handsets
  • Flow meters
  • Process control and automation equipment
  • Sensors 
Property (Mouseover for details) Value
Nominal Melting I2T (A2sec) 0.00202
Nominal Cold Resistance (Ohms) 2.95
Opening Fast-Acting (F)
VAC (V) 277
VDC (V) 277
Partner ECAD Models 305.160
Operating Temperature -55° to 125°C
Part # Part Description RoHS Pb-free RoHS (2015/ 863/EU) Certificate REACH (SVHC’s) Declaration Halogen Free REACH (SVHC’s) IPC-Material Declaration
0305.160H FUSE 277V FOR HAZ LOC UL913 .160A RoHS No 03/15/2015 PbFree No 03/15/2015 No
0305.160M FUSE 277V FOR HAZ LOC UL913 .160A RoHS No 03/15/2015 PbFree No 03/15/2015 No
0305.160V FUSE 277V FOR HAZ LOC UL913 .160A RoHS No 03/15/2015 PbFree No 03/15/2015 No
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