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

451_4531
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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 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 #Amps (A)VDC (V)VAC (V)Nominal Melting I2T (A2sec)Resistance
(Ω)
Interrupting RatingBodyMin Operating Temp (°C)Max Operating Temp (°C)Marking CodeMSLOpeningSizeStockSamplesCompare
04530202065651540.00244400A@32VDCCeramic-5512520A LF1Very Fast-Acting (FF)6.10 x 2.69mmCheckOrder
453.0620.0621251250.000195.5300A@32VDCCeramic-5512562mA LF1Very Fast-Acting (FF)6.10 x 2.69mmCheckOrder
453.080.081251250.000334.05300A@32VDCCeramic-5512580mA LF1Very Fast-Acting (FF)6.10 x 2.69mmCheckOrder
453.10.11251250.001383.1300A@32VDCCeramic-55125100mA LF1Very Fast-Acting (FF)6.10 x 2.69mmCheckOrder
453.1250.1251251250.002861.7300A@32VDCCeramic-55125125mA LF1Very Fast-Acting (FF)6.10 x 2.69mmCheckOrder
0453.1600.161251250.00481.2157300A@32VDCCeramic-55125160mA LF1Very Fast-Acting (FF)6.10 x 2.69mmCheckOrder
0453.2000.21251250.00890.8372300A@32VDCCeramic-55125200mA LF1Very Fast-Acting (FF)6.10 x 2.69mmCheckOrder
0453.2500.251251250.01580.5765300A@32VDCCeramic-55125250mA LF1Very Fast-Acting (FF)6.10 x 2.69mmCheckOrder
0453.3150.3151251250.03110.3918300A@32VDCCeramic-55125315mA LF1Very Fast-Acting (FF)6.10 x 2.69mmCheckOrder
0453.3750.3751251250.04420.4541300A@32VDCCeramic-55125375mA LF1Very Fast-Acting (FF)6.10 x 2.69mmCheckOrder
0453.4000.41251250.05510.4233300A@32VDCCeramic-55125400mA LF1Very Fast-Acting (FF)6.10 x 2.69mmCheckOrder
0453.5000.51251250.08240.3046300A@32VDCCeramic-55125500mA LF1Very Fast-Acting (FF)6.10 x 2.69mmCheckOrder
0453.6300.631251250.13810.2022300A@32VDCCeramic-55125630mA LF1Very Fast-Acting (FF)6.10 x 2.69mmCheckOrder
0453.7500.751251250.21430.1444300A@32VDCCeramic-55125750mA LF1Very Fast-Acting (FF)6.10 x 2.69mmCheckOrder
0453.8000.81251250.26540.1355300A@32VDCCeramic-55125800mA LF1Very Fast-Acting (FF)6.10 x 2.69mmCheckOrder
045300111251250.60290.078300A@32VDCCeramic-551251A LF1Very Fast-Acting (FF)6.10 x 2.69mmCheckOrder
045300221251250.530.0367300A@32VDCCeramic-551252A LF1Very Fast-Acting (FF)6.10 x 2.69mmCheckOrder
045300331251251.650.0227300A@32VDCCeramic-551253A LF1Very Fast-Acting (FF)6.10 x 2.69mmCheckOrder
045300441251253.1520.016300A@32VDCCeramic-551254A LF1Very Fast-Acting (FF)6.10 x 2.69mmCheckOrder
045300551251255.5660.0125300A@32VDCCeramic-551255A LF1Very Fast-Acting (FF)6.10 x 2.69mmCheckOrder
0453007712512510.320.009400A@32VDCCeramic-551257A LF1Very Fast-Acting (FF)6.10 x 2.69mmCheckOrder
0453008812512520.230.0077400A@32VDCCeramic-551258A LF1Very Fast-Acting (FF)6.10 x 2.69mmCheckOrder
045301.51.51251250.8530.063300A@32VDCCeramic-551251.5A LF1Very Fast-Acting (FF)6.10 x 2.69mmCheckOrder
045301.61.61251251.060.058300A@32VDCCeramic-551251.6A LF1Very Fast-Acting (FF)6.10 x 2.69mmCheckOrder
04530101012512526.460.0056400A@32VDCCeramic-5512510A LF1Very Fast-Acting (FF)6.10 x 2.69mmCheckOrder
045301212656547.970.0049400A@32VDCCeramic-5512512A LF1Very Fast-Acting (FF)6.10 x 2.69mmCheckOrder
045301515656597.820.0037400A@32VDCCeramic-5512515A LF1Very Fast-Acting (FF)6.10 x 2.69mmCheckOrder
045302.52.51251251.0290.0286300A@32VDCCeramic-551252.5A LF1Very Fast-Acting (FF)6.10 x 2.69mmCheckOrder
045303.53.51251252.4690.02300A@32VDCCeramic-551253.5A LF1Very Fast-Acting (FF)6.10 x 2.69mmCheckOrder
045306.36.31251259.170.0096400A@32VDCCeramic-551256.3A LF1Very Fast-Acting (FF)6.10 x 2.69mmCheckOrder
04531.251.251251250.6640.078300A@32VDCCeramic-551251.25A LF1Very Fast-Acting (FF)6.10 x 2.69mmCheckOrder
04533.153.151251251.920.0215300A@32VDCCeramic-551253.15A LF1Very Fast-Acting (FF)6.10 x 2.69mmCheckOrder
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
Does not Contain
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
0453.375MR 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
Does not Contain
0453.400MR FUSE 125V V/FA NANO2 RoHS .400A RoHS No 09/01/1998 PbFree No CoC_RoHS9_0453.400MR_4-24-2019 REACH205_Declaration_-Contain-_0453.400MR_4-7-2020 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
Does not Contain
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
Does not Contain
0453.800MR FUSE 125V V/FA NANO2 RoHS .800A RoHS No 09/01/1998 PbFree No REACH191_Declaration_with_Pb_0453.800MR_03-15-2019 Yes
Does not Contain
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 REACH201_Declaration_with_Pb_0453002.MR_10-3-2019 Yes
Does not Contain
0453003.MR FUSE 125V V/FA NANO2 RoHS 3A RoHS No 09/01/1998 PbFree No CoC_RoHS9_0453003.MR_06-06-2019 REACH201_Declaration_with_Pb_0453003.MR_11-22-2019 Yes
Does not Contain
0453004.MR FUSE 125V V/FA NANO2 RoHS 4A RoHS No 09/01/1998 PbFree No CoC_RoHS9_0453004.MR_10-08-2019 REACH205_Declaration_-Contain-_0453004.MR_4-2-2020 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 REACH205_Declaration_with_Pb_0453005.MR_03-16-2020
Does not Contain
0453007.MR FUSE 125V V/FA NANO2 RoHS 7A RoHS No 09/01/1998 PbFree No CoC_RoHS9_0453007.MR_09-18-2019 REACH209_Declaration_-Contain-_0453007.MR_9-11-2020 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 REACH209_Declaration_-Contain-_045301.5MR_07-13-2020 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 REACH205_Declaration_-Contain-_0453012.MR_05-19-2020 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 REACH205_Declaration_-Contain-_0453015.MR_4-17-2020 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
Does not Contain
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
Does not Contain
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
Does not Contain
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
Does not Contain
0453.315MR FUSE 125V V/FA NANO2 RoHS .315A RoHS No 09/01/1998 PbFree No Yes
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
Does not Contain
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451 Series Time Curve Data

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