251 Series - PICO® II Very Fast-Acting Subminiature Axial leaded fuse

251_253
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 RatingBodyMSLOpeningSizeStockSamplesCompare
0251.0620.0621251250.0001137300A@125VDCCeramic BodyMIL-STD-202, Method 106.Very Fast-Acting (FF)2.80 x 7.11mmCheckOrder
0251.1250.1251251250.001741.7Ceramic BodyMIL-STD-202, Method 106.Very Fast-Acting (FF)2.80 x 7.11mmCheckOrder
0251.2000.21251250.895Ceramic BodyMIL-STD-202, Method 106.Very Fast-Acting (FF)2.80 x 7.11mmCheck
0251.2500.251251250.01160.665000021300A@125VDCCeramic BodyMIL-STD-202, Method 106.Very Fast-Acting (FF)2.80 x 7.11mmCheckOrder
0251.3750.3751251250.02960.395000011300A@125VDCCeramic BodyMIL-STD-202, Method 106.Very Fast-Acting (FF)2.80 x 7.11mmCheckOrder
0251.5000.51251250.05980.280000001300A@125VDCCeramic BodyMIL-STD-202, Method 106.Very Fast-Acting (FF)2.80 x 7.11mmCheckOrder
0251.7500.751251250.1760.174999997300A@125VDCCeramic BodyMIL-STD-202, Method 106.Very Fast-Acting (FF)2.80 x 7.11mmCheckOrder
0251001.11251250.2560.128000006300A@125VDCCeramic BodyMIL-STD-202, Method 106.Very Fast-Acting (FF)2.80 x 7.11mmCheckOrder
0251002.21251250.4050.0473300A@125VDCCeramic BodyMIL-STD-202, Method 106.Very Fast-Acting (FF)2.80 x 7.11mmCheckOrder
0251003.31251251.190.028999999300A@125VDCCeramic BodyMIL-STD-202, Method 106.Very Fast-Acting (FF)2.80 x 7.11mmCheckOrder
0251004.41251252.450.020400001300A@125VDCCeramic BodyMIL-STD-202, Method 106.Very Fast-Acting (FF)2.80 x 7.11mmCheckOrder
0251005.51251254.140.0155300A@125VDCCeramic BodyMIL-STD-202, Method 106.Very Fast-Acting (FF)2.80 x 7.11mmCheckOrder
0251007.712512510.40.0105300A@125VDCCeramic BodyMIL-STD-202, Method 106.Very Fast-Acting (FF)2.80 x 7.11mmCheckOrder
025101.51.51251250.5870.0823300A@125VDCCeramic BodyMIL-STD-202, Method 106.Very Fast-Acting (FF)2.80 x 7.11mmCheckOrder
025101.61.61251250.07Ceramic BodyMIL-STD-202, Method 106.Very Fast-Acting (FF)2.80 x 7.11mmCheck
0251010.1012512525.50.00705300A@125VDCCeramic BodyMIL-STD-202, Method 106.Very Fast-Acting (FF)2.80 x 7.11mmCheckOrder
0251012.12323245.2000010.005300A@32VDCCeramic BodyMIL-STD-202, Method 106.Very Fast-Acting (FF)2.80 x 7.11mmCheck
0251015.2.51251250.7210.035999998300A@32VDCCeramic BodyMIL-STD-202, Method 106.Very Fast-Acting (FF)2.80 x 7.11mmCheckOrder
025102.52.51251250.7210.035999998300A@125VDCCeramic BodyMIL-STD-202, Method 106.Very Fast-Acting (FF)2.80 x 7.11mmCheckOrder
025103.53.51251251.580.024300A@125VDCCeramic BodyMIL-STD-202, Method 106.Very Fast-Acting (FF)2.80 x 7.11mmCheckOrder
02511.251.251251250.390.100000001Ceramic BodyMIL-STD-202, Method 106.Very Fast-Acting (FF)2.80 x 7.11mmCheckOrder
02513.153.151251250.0364Ceramic BodyMIL-STD-202, Method 106.Very Fast-Acting (FF)2.80 x 7.11mmCheck

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...

251 Series Time Curve

Littelfuse_Phils_ISO9001_102407icon Philipines ISO 90012000

PhilsISO14001Certificateicon Phils ISO 14001 2004

pdf icon Littelfuse Fuse Accessories Selection Guide

A quick reference guide to selecting holders, blocks and clips for fuse applications...

pdf icon Fuse Selection Guide

A quick reference guide to selecting fuses for electronic applications...

pdf icon Product Selection Guide

Electronics Circuit Protection Product Selection Guide - A guide to selecting Littelfuse circuit protection components for electronic applications...

pdf icon Circuit Protection Technology Application Matrix

Littelfuse is the world leader in the design and manufacturing of fuses for the automotive, industrial, handheld, computer and telecom markets...

pdf icon Electronic Fuse Products Catalog

Littelfuse Electronic Fuse Products Catalog -- Miniature Fuse Products for Overcurrent Protection of Small Electrical and Electrical Applications...