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

Fuse 251 253 Hi_Res
Roll Over to Zoom
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.


Features:

  • 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
(Ω)
OpeningOperating TemperatureStockSamplesCompare
Catalog #VAC (V)VDC (V)Nominal Melting I2T (A2sec)Resistance
(Ω)
OpeningOperating TemperatureStockSamplesCompare
0253.062 1251250.0001137Very Fast-Acting (FF)-55° to 125°CCheck Order
0253.125 1251250.001741.7Very Fast-Acting (FF)-55° to 125°CCheck Order
0253.250 1251250.01160.665Very Fast-Acting (FF)-55° to 125°CCheck Order
0253.375 1251250.02960.395Very Fast-Acting (FF)-55° to 125°CCheck Order
0253.500 1251250.05980.303Very Fast-Acting (FF)-55° to 125°CCheck Order
0253.750 1251250.1530.175Very Fast-Acting (FF)-55° to 125°CCheck Order
0253001. 1251250.2560.128Very Fast-Acting (FF)-55° to 125°CCheck Order
0253002. 1251250.4050.0473Very Fast-Acting (FF)-55° to 125°CCheck Order
0253003. 1251251.190.0295Very Fast-Acting (FF)-55° to 125°CCheck Order
0253004. 1251252.450.0204Very Fast-Acting (FF)-55° to 125°CCheck Order
0253005. 1251254.140.0158Very Fast-Acting (FF)-55° to 125°CCheck Order
0253007. 12512510.40.0107Very Fast-Acting (FF)-55° to 125°CCheck Order
025301.5 323268.8000030.00446Very Fast-Acting (FF)-55° to 125°CCheck Order
0253010. 12512525.50.0072Very Fast-Acting (FF)-55° to 125°CCheck Order
0253015. 323268.8000030.00446Very Fast-Acting (FF)-55° to 125°CCheck Order
R253.062 1251250.0001137Very Fast-Acting (FF)-55° to 125°CCheck
R253.125 1251250.001741.7Very Fast-Acting (FF)-55° to 125°CCheck
R253.250 1251250.01160.665Very Fast-Acting (FF)-55° to 125°CCheck
R253.375 1251250.02960.395Very Fast-Acting (FF)-55° to 125°CCheck
R253.500 1251250.05980.303Very Fast-Acting (FF)-55° to 125°CCheck
R253.750 1251250.1530.175Very Fast-Acting (FF)-55° to 125°CCheck
R253001.
Replaced By: 0253001.
1251250.2560.128Very Fast-Acting (FF)-55° to 125°CCheck
R253002.
Replaced By: 0253002.
1251250.4050.0473Very Fast-Acting (FF)-55° to 125°CCheck
R253003. 1251251.190.0295Very Fast-Acting (FF)-55° to 125°CCheck
R253004.
Replaced By: 0253004.
1251252.450.0204Very Fast-Acting (FF)-55° to 125°CCheck
R253005.
Replaced By: 0253005.
1251254.140.0158Very Fast-Acting (FF)-55° to 125°CCheck
R253007.
Replaced By: 0253007.
12512510.40.0107Very Fast-Acting (FF)-55° to 125°CCheck
R25301.5 1251250.5870.0823Very Fast-Acting (FF)-55° to 125°CCheck
R253010.
Replaced By: 0253010.
12512525.50.0072Very Fast-Acting (FF)-55° to 125°CCheck
R253015.
Replaced By: 0253015. 025301.5
323268.8000030.00446Very Fast-Acting (FF)-55° to 125°CCheck
To request product environmental information, please complete the Product Environmental Information Request Form.

tc-icon 251 Series Time Curve

pdficon Fuse 251 and 253 Datasheet

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