453 Series - NANO Very Fast-Acting Subminiature Surface Mount Fuse

451_4531
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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. "Littelfuse" includes Littelfuse, Inc., and all of its affiliate entities.

The Nano SMF Fuse is a very small, Wire-in-Air (WIA) square shape surface mount fuse which is very suitable for the secondary side circuit over-current protection applications and is designed for PCB using surface mount technology.

Features:

  • Very fast acting
  • Small size
  • Wide range of current rating available (0.062A to 20A)
  • Wide operating temperature range
  • Low temperature rerating
  • RoHS compliant and Halogen Free

Applications:

  • Notebook PC
  • LCD/PDP TV
  • LCD monitor
  • LCD/PDP panel
  • LCD backlight inverter
  • Portable DVD player
  • Power supply
  • Networking
  • PC server
  • Cooling fan system
  • Storage system
  • Telecom system
  • Wireless basestation
  • White goods
  • Game console
  • Office Automation equipment
  • Battery charging circuit protection
  • Industrial equipment

Access specifications, certifications, check availability and order parts below

Catalog #VDC (V)VAC (V)Nominal Melting I2T (A2sec)Resistance
(Ω)
BodyMin Operating Temp (°C)Max Operating Temp (°C)MSLOpeningPartner ECAD ModelsStockSamplesCompare
045302065651540.00244Ceramic-551251Very Fast-Acting (FF)0453020CheckOrder
453.0621251250.000195.5Ceramic-551251Very Fast-Acting (FF)453.062CheckOrder
453.081251250.000334.05Ceramic-551251Very Fast-Acting (FF)453.08CheckOrder
453.11251250.001383.1Ceramic-551251Very Fast-Acting (FF)453.1CheckOrder
453.1251251250.002861.7Ceramic-551251Very Fast-Acting (FF)453.125CheckOrder
0453.1601251250.00481.2157Ceramic-551251Very Fast-Acting (FF)453_16CheckOrder
0453.2001251250.00890.8372Ceramic-551251Very Fast-Acting (FF)453_2CheckOrder
0453.2501251250.01580.5765Ceramic-551251Very Fast-Acting (FF)453_25CheckOrder
0453.3151251250.03110.3918Ceramic-551251Very Fast-Acting (FF)453_315CheckOrder
0453.3751251250.04420.4541Ceramic-551251Very Fast-Acting (FF)453_375CheckOrder
0453.4001251250.05510.4233Ceramic-551251Very Fast-Acting (FF)453_4CheckOrder
0453.5001251250.08240.3046Ceramic-551251Very Fast-Acting (FF)453_5CheckOrder
0453.6301251250.13810.2022Ceramic-551251Very Fast-Acting (FF)453_63CheckOrder
0453.7501251250.21430.1444Ceramic-551251Very Fast-Acting (FF)453_75CheckOrder
0453.8001251250.26540.1355Ceramic-551251Very Fast-Acting (FF)453_8CheckOrder
04530011251250.60290.078Ceramic-551251Very Fast-Acting (FF)453001CheckOrder
04530021251250.530.0367Ceramic-551251Very Fast-Acting (FF)453002CheckOrder
04530031251251.650.0227Ceramic-551251Very Fast-Acting (FF)453003CheckOrder
04530041251253.1520.016Ceramic-551251Very Fast-Acting (FF)453004CheckOrder
04530051251255.5660.0125Ceramic-551251Very Fast-Acting (FF)453005CheckOrder
045300712512510.320.009Ceramic-551251Very Fast-Acting (FF)453007CheckOrder
045300812512520.230.0077Ceramic-551251Very Fast-Acting (FF)453008CheckOrder
045301.51251250.8530.063Ceramic-551251Very Fast-Acting (FF)45301_5CheckOrder
045301.61251251.060.058Ceramic-551251Very Fast-Acting (FF)45301_6CheckOrder
045301012512526.460.0056Ceramic-551251Very Fast-Acting (FF)453010CheckOrder
0453012656547.970.0049Ceramic-551251Very Fast-Acting (FF)453012CheckOrder
0453015656597.820.0037Ceramic-551251Very Fast-Acting (FF)453015CheckOrder
045302.51251251.0290.0286Ceramic-551251Very Fast-Acting (FF)45302_5CheckOrder
045303.51251252.4690.02Ceramic-551251Very Fast-Acting (FF)45303_5CheckOrder
045306.31251259.170.0096Ceramic-551251Very Fast-Acting (FF)45306_3CheckOrder
04531.251251250.6640.078Ceramic-551251Very Fast-Acting (FF)4531_25CheckOrder
04533.151251251.920.0215Ceramic-551251Very Fast-Acting (FF)4533_15CheckOrder
Part # Part Description RoHS Pb-free RoHS (2015/ 863/EU) Certificate REACH (SVHC’s) Declaration Halogen Free REACH (SVHC’s)
0453020.MR FUSE 125V V/FA NANO2 W/Ag CAPS RoHS 20A RoHS No 09/01/1998 PbFree No 10/12/2017 CoC_RoHS9_0453020.MR_10-13-2017 REACH197_Declaration_with_Pb_0453020.MR_04-05-2019 Yes
10/12/2017
Contains
0453.160MR FUSE 125V V/FA NANO2 RoHS .160A RoHS No 09/01/1998 PbFree No Yes
0453.200MR FUSE 125V V/FA NANO2 RoHS .200A RoHS No 09/01/1998 PbFree No CoC_RoHS9_0453.200MR_5-12-2020 REACH205_Declaration_-Contain-_0453.200MR_5-12-2020 Yes
Contains
0453.250MR FUSE 125V V/FA NANO2 RoHS .250A RoHS No 09/01/1998 PbFree No CoC_REACh181_0453.250MR_06-01-2018 REACH209_Declaration_-Contain-_0453.250MR_11-27-2020 Yes
Contains
0453.315MR FUSE 125V V/FA NANO2 RoHS .315A RoHS No 09/01/1998 PbFree No CoC_RoHS9_0453.315MR_06-03-2021 REACH211_Declaration_(Contain)_0453.315MR_06-03-2021 Yes
Contains
04533.15MR FUSE 125V V/FA NANO2 RoHS 3.15A RoHS No 09/01/1998 PbFree No CoC_RoHS9_04533.15MR_06-06-2019 REACH197_Declaration_with_Pb_04533.15MR_06-06-2019 Yes
Contains
0453.375MR FUSE 125V V/FA NANO2 RoHS .375A RoHS No 09/01/1998 PbFree No CoC_RoHS9_0453.375MR_05-28-2019 REACH197_Declaration_with_Pb_0453.375MR_05-28-2019 Yes
Contains
0453.400MR FUSE 125V V/FA NANO2 RoHS .400A RoHS No 09/01/1998 PbFree No CoC_RoHS9_0453.400MR_4-24-2019 REACH209_Declaration_-Contain-_0453.400MR_01-05-2021 Yes
Contains
0453.500MR FUSE 125V V/FA NANO2 RoHS .500A RoHS No 09/01/1998 PbFree No CoC_RoHS9_0453.500MR_06-06-2019 REACH209_Declaration_-Contain-_0453.500MR_07-13-2020 Yes
Contains
0453.630MR FUSE 125V V/FA NANO2 RoHS .630A RoHS No 09/01/1998 PbFree No CoC_RoHS9_0453.630MR_12-06-2018 REACH191_Declaration_with_Pb_0453.630MR_12-06-2018 Yes
Contains
0453.750MR FUSE 125V V/FA NANO2 RoHS .750A RoHS No 09/01/1998 PbFree No CoC_RoHS9_0453.750MR_08-24-2017 REACH201_Declaration_with_Pb_0453.750MR_09-06-2019 Yes
Contains
0453.800MR FUSE 125V V/FA NANO2 RoHS .800A RoHS No 09/01/1998 PbFree No CoC_RoHS9_0453.800MR_05-12-2021 REACH211_Declaration_(Contain)_0453.800MR_05-12-2021 Yes
Contains
0453001.MR FUSE 125V V/FA NANO2 RoHS 1A RoHS No 09/01/1998 PbFree No CoC_RoHS9_0453001.MR_01-22-2019 REACH205_Declaration_-Contain-_0453001.MR_3-24-2020 Yes
Contains
0453002.MR FUSE 125V V/FA NANO2 RoHS 2A RoHS No 09/01/1998 PbFree No CoC_RoHS9_0453002.MR_06-06-2019 REACH211_Declaration_-Contain-_0453002.MR_01-21-2021 Yes
Contains
0453004.MR FUSE 125V V/FA NANO2 RoHS 4A RoHS No 09/01/1998 PbFree No CoC_RoHS9_0453004.MR_10-08-2019 REACH211_Declaration_-Contain-_0453004.MR_03-23-2021 Yes
Contains
0453005.MR FUSE 125V V/FA NANO2 RoHS 5A RoHS No 09/01/1998 PbFree No CoC_RoHS9_0453005.MR_06-06-2019 REACH211_Declaration_-Contain-_0453005.MR_03-22-2021
Contains
0453007.MR FUSE 125V V/FA NANO2 RoHS 7A RoHS No 09/01/1998 PbFree No CoC_RoHS9_0453007.MR_09-18-2019 REACH211_Declaration_-Contain-_0453007.MR_05-07-2021 Yes
Contains
0453008.MR FUSE 125V V/FA NANO2 RoHS 8A RoHS No 09/01/1998 PbFree No CoC_RoHS9_0453008.MR_10-08-2019 REACH209_Declaration_-Contain-_0453008.MR_11-29-2020 Yes
Contains
045301.5MR FUSE 125V V/FA NANO2 RoHS 1.5A RoHS No 09/01/1998 PbFree No CoC_RoHS9_045301.5MR_10-08-2019 REACH211_Declaration_-Contain-_045301.5MR_02-25-2021 Yes
Contains
0453015.MR FUSE 65V V/FA NANO2 RoHS 15A RoHS No 09/01/1998 PbFree No Yes
045301.6MR FUSE 125V V/FA NANO2 RoHS 1.6A RoHS No 09/01/1998 PbFree No Yes
0453010.MR FUSE 125V V/FA NANO2 RoHS 10A RoHS No 09/01/1998 PbFree No CoC_RoHS9_0453010.MR_06-06-2019 REACH209_Declaration_-Contain-_0453010.MR_10-05-2020 Yes
Contains
0453012.MR FUSE 65V V/FA NANO2 RoHS 12A RoHS No 09/01/1998 PbFree No CoC_RoHS9_0453012.MR_05-19-2020 REACH211_Declaration_-Contain-_0453012.MR_03-19-2021 Yes
Contains
0453015MR FUSE 125V V/FA NANO2 RoHS 15A RoHS No 09/01/1998 PbFree No Yes
0453015.MR FUSE 65V V/FA NANO2 RoHS 15A RoHS No 09/01/1998 PbFree No CoC_RoHS9_0453015.MR_09-18-2019 REACH211_Declaration_(Contain)_0453015.MR_05-13-2021 Yes
Contains
045302.5MR FUSE 125V V/FA NANO2 RoHS 2.5A RoHS No 09/01/1998 PbFree No CoC_RoHS9_045302.5MR_05-29-2019 REACH197_Declaration_with_Pb_045302.5MR_05-29-2019 Yes
Contains
045303.5MR FUSE 125V V/FA NANO2 RoHS 3.5A RoHS No 09/01/1998 PbFree No CoC_RoHS9_045303.5MR_06-06-2019 REACH197_Declaration_with_Pb_045303.5MR_02-14-2019 Yes
Contains
045306.3MR FUSE 125V V/FA NANO2 RoHS 6.3A RoHS No 09/01/1998 PbFree No CoC_RoHS9_045306.3MR_10-08-2019 REACH201_Declaration_with_Pb_045306.3MR_12-02-2019 Yes
Contains
04531.25MR FUSE 125V V/FA NANO2 RoHS 1.25A RoHS No 09/01/1998 PbFree No CoC_RoHS9_04531.25MR_5-9-2018 REACH191_Declaration_with_Pb_04531.25MR_03-15-2019 Yes
Contains
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451 Series Time Curve Data

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