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

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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.

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 #Amps (A)VAC (V)VDC (V)Nominal Melting I2T (A2sec)Resistance
(Ω)
Interrupting RatingMax Operating Temp (°C)Min Operating Temp °COpeningSizeStockSamplesCompare
0253.0620.0621251250.0001137300A@125VDC125-55Very Fast-Acting (FF)2.80 x 7.11mmCheckOrder
0253.1250.1251251250.001741.7300A@125VDC125-55Very Fast-Acting (FF)2.80 x 7.11mmCheckOrder
0253.2500.251251250.01160.665300A@125VDC125-55Very Fast-Acting (FF)2.80 x 7.11mmCheckOrder
0253.3750.3751251250.02960.395300A@125VDC125-55Very Fast-Acting (FF)2.80 x 7.11mmCheckOrder
0253.5000.51251250.05980.303300A@125VDC125-55Very Fast-Acting (FF)2.80 x 7.11mmCheckOrder
0253.7500.751251250.1530.175300A@125VDC125-55Very Fast-Acting (FF)2.80 x 7.11mmCheckOrder
0253001.11251250.2560.128300A@125VDC125-55Very Fast-Acting (FF)2.80 x 7.11mmCheckOrder
0253002.21251250.4050.0473300A@125VDC125-55Very Fast-Acting (FF)2.80 x 7.11mmCheckOrder
0253003.31251251.190.0295300A@125VDC125-55Very Fast-Acting (FF)2.80 x 7.11mmCheckOrder
0253004.41251252.450.0204300A@125VDC125-55Very Fast-Acting (FF)2.80 x 7.11mmCheckOrder
0253005.51251254.140.0158300A@125VDC125-55Very Fast-Acting (FF)2.80 x 7.11mmCheckOrder
0253007.712512510.40.0107300A@125VDC125-55Very Fast-Acting (FF)2.80 x 7.11mmCheckOrder
025301.51.51251250.5870.0823300A@125VDC125-55Very Fast-Acting (FF)2.80 x 7.11mmCheckOrder
0253010.1012512525.50.0072300A@125VDC125-55Very Fast-Acting (FF)2.80 x 7.11mmCheckOrder
0253015.15323268.8000030.00446300A@32VDC125-55Very Fast-Acting (FF)2.80 x 7.11mmCheckOrder
R253.062
Replaced By: 253.062
0.0621251250.0001137300A@125VDC125-55Very Fast-Acting (FF)2.80 x 7.11mmCheckOrder
R253.125
Replaced By: 253.125
0.1251251250.001741.7300A@125VDC125-55Very Fast-Acting (FF)2.80 x 7.11mmCheckOrder
R253.250
Replaced By: 253.25
0.251251250.01160.665300A@125VDC125-55Very Fast-Acting (FF)2.80 x 7.11mmCheckOrder
R253.375
Replaced By: 253.375
0.3751251250.02960.395300A@125VDC125-55Very Fast-Acting (FF)2.80 x 7.11mmCheckOrder
R253.500
Replaced By: 253.5
0.51251250.05980.303300A@125VDC125-55Very Fast-Acting (FF)2.80 x 7.11mmCheckOrder
R253.750
Replaced By: 253.75
0.751251250.1530.175300A@125VDC125-55Very Fast-Acting (FF)2.80 x 7.11mmCheckOrder
R253001.
Replaced By: 253001
11251250.2560.128300A@125VDC125-55Very Fast-Acting (FF)2.80 x 7.11mmCheckOrder
R253002.
Replaced By: 253002
21251250.4050.0473300A@125VDC125-55Very Fast-Acting (FF)2.80 x 7.11mmCheckOrder
R253003.31251251.190.0295300A@125VDC125-55Very Fast-Acting (FF)2.80 x 7.11mmCheckOrder
R253004.
Replaced By: 253004
41251252.450.0204300A@125VDC125-55Very Fast-Acting (FF)2.80 x 7.11mmCheckOrder
R253005.
Replaced By: 253005
51251254.140.0158300A@125VDC125-55Very Fast-Acting (FF)2.80 x 7.11mmCheckOrder
R253007.
Replaced By: 253007
712512510.40.0107300A@125VDC125-55Very Fast-Acting (FF)2.80 x 7.11mmCheckOrder
R25301.5
Replaced By: 25301.5
1.51251250.5870.0823300A@125VDC125-55Very Fast-Acting (FF)2.80 x 7.11mmCheckOrder
R253010.
Replaced By: 253010
1012512525.50.0072300A@125VDC125-55Very Fast-Acting (FF)2.80 x 7.11mmCheckOrder
R253015.
Replaced By: 253015
15323268.8000030.00446300A@32VDC125-55Very Fast-Acting (FF)2.80 x 7.11mmCheckOrder

251 Series Time Curve

pdf icon 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...

Military Components