253 Series - PICO® II Very Fast-Acting Military Spec. Subminiature Axial Leaded Fuse

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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® II Very Fast-Acting Fuse is designed to meet an 
extensive array of performance characteristics in a 
space-saving subminiature package.


  • Very fast-acting
  • Small Size
  • Wide current rating range (62mA- 15A)
  • RoHS compliant 
  • Halogen-free available 
  • Wide operating temperature range
  • Low temperature rerating

Access specifications, certifications, check availability and order parts below

Catalog #VAC (V)VDC (V)Nominal Melting I2T (A2sec)Resistance
Max Operating Temp (°C)Min Operating Temp (°C)OpeningStockSamplesCompare
0253.0621251250.0001137125-55Very Fast-Acting (FF)CheckOrder
0253.1251251250.001741.7125-55Very Fast-Acting (FF)CheckOrder
0253.2501251250.01160.665125-55Very Fast-Acting (FF)CheckOrder
0253.3751251250.02960.395125-55Very Fast-Acting (FF)CheckOrder
0253.5001251250.05980.303125-55Very Fast-Acting (FF)CheckOrder
0253.7501251250.1530.175125-55Very Fast-Acting (FF)CheckOrder
0253001.1251250.2560.128125-55Very Fast-Acting (FF)CheckOrder
0253002.1251250.4050.0473125-55Very Fast-Acting (FF)CheckOrder
0253003.1251251.190.0295125-55Very Fast-Acting (FF)CheckOrder
0253004.1251252.450.0204125-55Very Fast-Acting (FF)CheckOrder
0253005.1251254.140.0158125-55Very Fast-Acting (FF)CheckOrder
0253007.12512510.40.0107125-55Very Fast-Acting (FF)CheckOrder
025301.51251250.5870.0823125-55Very Fast-Acting (FF)CheckOrder
0253010.12512525.50.0072125-55Very Fast-Acting (FF)CheckOrder
0253015.323268.8000030.00446125-55Very Fast-Acting (FF)CheckOrder
Replaced By: 253.062
1251250.0001137125-55Very Fast-Acting (FF)CheckOrder
Replaced By: 253.125
1251250.001741.7125-55Very Fast-Acting (FF)CheckOrder
Replaced By: 253.25
1251250.01160.665125-55Very Fast-Acting (FF)CheckOrder
Replaced By: 253.375
1251250.02960.395125-55Very Fast-Acting (FF)CheckOrder
Replaced By: 253.5
1251250.05980.303125-55Very Fast-Acting (FF)CheckOrder
Replaced By: 253.75
1251250.1530.175125-55Very Fast-Acting (FF)CheckOrder
Replaced By: 253001
1251250.2560.128125-55Very Fast-Acting (FF)CheckOrder
Replaced By: 253002
1251250.4050.0473125-55Very Fast-Acting (FF)CheckOrder
R253003.1251251.190.0295125-55Very Fast-Acting (FF)CheckOrder
Replaced By: 253004
1251252.450.0204125-55Very Fast-Acting (FF)CheckOrder
Replaced By: 253005
1251254.140.0158125-55Very Fast-Acting (FF)CheckOrder
Replaced By: 253007
12512510.40.0107125-55Very Fast-Acting (FF)CheckOrder
Replaced By: 25301.5
1251250.5870.0823125-55Very Fast-Acting (FF)CheckOrder
Replaced By: 253010
12512525.50.0072125-55Very Fast-Acting (FF)CheckOrder
Replaced By: 253015
323268.8000030.00446125-55Very Fast-Acting (FF)CheckOrder
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