459 Series - PICO® SMF Very Fast-Acting Subminiature Surface Mount Fuse

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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 459 Series Very Fast-Acting SMF is based on Littelfuse PICO® fuse through-hole technology, though offered in a surface mount package.

This series of devices meets the requirements of the RoHS directive.



Features:

  • Very Fast-Acting
  • Wide current rating range: 62mA to 5A
  • Wide operating temperature range
  • Low temperature rerating
  • RoHS compliant


Applications:

  • Wireless basestation
  • Network equipment
  • Telecom equipment

Access specifications, certifications, check availability and order parts below

Catalog #VAC (V)VDC (V)Nominal Melting I2T (A2sec)Resistance
(Ω)
Max Operating Temp (°C)Min Operating Temp (°C)BodyMSLOpeningPartner ECAD ModelsStockSamplesCompare
0459.0621251250.0000757125-55Ceramic BodyMIL-STD-202 Method 106 High Humidity (90-98 RH) Heat (65&).Very Fast-Acting (FF)459_062CheckOrder
0459.1251251250.001631.7125-55Ceramic BodyMIL-STD-202 Method 106 High Humidity (90-98 RH) Heat (65&).Very Fast-Acting (FF)459_125CheckOrder
0459.2001251250.895125-55Ceramic BodyMIL-STD-202 Method 106 High Humidity (90-98 RH) Heat (65&).Very Fast-Acting (FF)459_2CheckOrder
0459.2501251250.01060.665125-55Ceramic BodyMIL-STD-202 Method 106 High Humidity (90-98 RH) Heat (65&).Very Fast-Acting (FF)459_25CheckOrder
0459.3751251250.02540.395125-55Ceramic BodyMIL-STD-202 Method 106 High Humidity (90-98 RH) Heat (65&).Very Fast-Acting (FF)459_375CheckOrder
0459.5001251250.05460.302125-55Ceramic BodyMIL-STD-202 Method 106 High Humidity (90-98 RH) Heat (65&).Very Fast-Acting (FF)459_5CheckOrder
0459.7501251250.1550.175125-55Ceramic BodyMIL-STD-202 Method 106 High Humidity (90-98 RH) Heat (65&).Very Fast-Acting (FF)459_75CheckOrder
0459001.1251250.2810.128125-55Ceramic BodyMIL-STD-202 Method 106 High Humidity (90-98 RH) Heat (65&).Very Fast-Acting (FF)459001CheckOrder
0459002.1251250.4210.0468125-55Ceramic BodyMIL-STD-202 Method 106 High Humidity (90-98 RH) Heat (65&).Very Fast-Acting (FF)459002CheckOrder
0459003.1251251.230.029125-55Ceramic BodyMIL-STD-202 Method 106 High Humidity (90-98 RH) Heat (65&).Very Fast-Acting (FF)459003CheckOrder
0459004.1251252.350.0197125-55Ceramic BodyMIL-STD-202 Method 106 High Humidity (90-98 RH) Heat (65&).Very Fast-Acting (FF)459004CheckOrder
0459005.1251253.90.0151125-55Ceramic BodyMIL-STD-202 Method 106 High Humidity (90-98 RH) Heat (65&).Very Fast-Acting (FF)459005CheckOrder
045901.51251250.650.0816125-55Ceramic BodyMIL-STD-202 Method 106 High Humidity (90-98 RH) Heat (65&).Very Fast-Acting (FF)45901_5CheckOrder
045902.51251250.7210.035125-55Ceramic BodyMIL-STD-202 Method 106 High Humidity (90-98 RH) Heat (65&).Very Fast-Acting (FF)45902_5CheckOrder
045903.51251251.650.0233125-55Ceramic BodyMIL-STD-202 Method 106 High Humidity (90-98 RH) Heat (65&).Very Fast-Acting (FF)45903_5CheckOrder
R459.062
Obsolete: 2000 -01-01
Replaced By: 0459.062UR
1251250.0000757125-55Ceramic BodyMIL-STD-202 Method 106 High Humidity (90-98 RH) Heat (65&).Very Fast-Acting (FF)
R459.125
Obsolete: 2000 -01-01
Replaced By: 0459.125ER
1251250.001631.7125-55Ceramic BodyMIL-STD-202 Method 106 High Humidity (90-98 RH) Heat (65&).Very Fast-Acting (FF)
R459.250
Obsolete: 2000 -01-01
Replaced By: 0459.250ER
1251250.01060.665125-55Ceramic BodyMIL-STD-202 Method 106 High Humidity (90-98 RH) Heat (65&).Very Fast-Acting (FF)
R459.375
Obsolete: 2000 -01-01
Replaced By: 0459.375ER
1251250.02540.395125-55Ceramic BodyMIL-STD-202 Method 106 High Humidity (90-98 RH) Heat (65&).Very Fast-Acting (FF)
R459.500
Obsolete: 2000 -01-01
Replaced By: 0459.500ER
1251250.05460.302125-55Ceramic BodyMIL-STD-202 Method 106 High Humidity (90-98 RH) Heat (65&).Very Fast-Acting (FF)
R459.750
Obsolete: 2000 -01-01
Replaced By: 0459.750ER
1251250.1550.175125-55Ceramic BodyMIL-STD-202 Method 106 High Humidity (90-98 RH) Heat (65&).Very Fast-Acting (FF)
R459001
Obsolete: 2000 -01-01
Replaced By: 0459001.ER
1251250.2810.128125-55Ceramic BodyMIL-STD-202 Method 106 High Humidity (90-98 RH) Heat (65&).Very Fast-Acting (FF)
R459002
Obsolete: 2000 -01-01
Replaced By: 0459002.ER
1251250.4210.0468125-55Ceramic BodyMIL-STD-202 Method 106 High Humidity (90-98 RH) Heat (65&).Very Fast-Acting (FF)
R459003
Obsolete: 2000 -01-01
Replaced By: 0459003.ER
1251251.230.029125-55Ceramic BodyMIL-STD-202 Method 106 High Humidity (90-98 RH) Heat (65&).Very Fast-Acting (FF)
R459004
Obsolete: 2000 -01-01
Replaced By: 0459004.ER
1251252.350.0197125-55Ceramic BodyMIL-STD-202 Method 106 High Humidity (90-98 RH) Heat (65&).Very Fast-Acting (FF)
R459005
Obsolete: 2000 -01-01
Replaced By: 0459005.ER
1251253.90.0151125-55Ceramic BodyMIL-STD-202 Method 106 High Humidity (90-98 RH) Heat (65&).Very Fast-Acting (FF)
R45901.5
Obsolete: 2000 -01-01
Replaced By: 045901.5ER
1251250.650.0816125-55Ceramic BodyMIL-STD-202 Method 106 High Humidity (90-98 RH) Heat (65&).Very Fast-Acting (FF)
R45902.5
Obsolete: 2000 -01-01
Replaced By: 045902.5ER
1251250.7210.035125-55Ceramic BodyMIL-STD-202 Method 106 High Humidity (90-98 RH) Heat (65&).Very Fast-Acting (FF)
R45903.5
Obsolete: 2000 -01-01
Replaced By: 045903.5ER
1251251.650.0233125-55Ceramic BodyMIL-STD-202 Method 106 High Humidity (90-98 RH) Heat (65&).Very Fast-Acting (FF)
Part # Part Description RoHS Pb-free RoHS (2015/ 863/EU) Certificate REACH (SVHC’s) Declaration Halogen Free REACH (SVHC’s)
0459.062UR FUSE 125V V/FA PICO SMF .062A RoHS No 05/05/2005 PbFree No CoC_RoHS9_0459.062UR_09-13-2021 REACH201_Declaration_with_Pb_0459.062UR_10-24-2019 No
Contains
0459.062ER FUSE 125V V/FA PICO SMF .062A RoHS No 05/05/2005 PbFree No No
0459.125ER FUSE 125V V/FA PICO SMF .125A RoHS No 05/05/2005 PbFree No CoC_RoHS9_0459.125ER_09-26-2018 REACH197_Declaration_with_Pb_0459.125ER_01-31-2019 No
Contains
0459.125UR FUSE 125V V/FA PICO SMF .125A RoHS No 05/05/2005 PbFree No CoC_RoHS9_0459.125UR_05-15-2019 REACH211_Declaration_(Contain)_0459.125UR_05-18-2021 No
Contains
0459.250UR FUSE 125V V/FA PICO SMF .250A RoHS No 05/05/2005 PbFree No CoC_RoHS9_0459.250UR_04-08-2020 REACH205_Declaration_-Contain-_0459.250UR_04-08-2020 No
Contains
0459.250ER FUSE 125V V/FA PICO SMF .250A RoHS No 05/05/2005 PbFree No REACH201_Declaration_with_Pb_0459.250ER_11-11-2019 No
Contains
0459.750UR FUSE 125V V/FA PICO SMF .750A RoHS No 05/05/2005 PbFree No CoC_RoHS9_0459.750UR_10-23-2017 No
0459.750ER FUSE 125V V/FA PICO SMF .750A RoHS No 05/05/2005 PbFree No CoC_RoHS9_0459.750ER_10-23-2017 No
0459001.UR FUSE 125V V/FA PICO SMF 1A RoHS No 05/05/2005 PbFree No CoC_RoHS9_0459001.UR_04-20-2020 REACH201_Declaration_with_Pb_0459001.UR_10-1-2019 No
Contains
0459001.ER FUSE 125V V/FA PICO SMF 1A RoHS No 05/05/2005 PbFree No CoC_RoHS9_0459001.ER_06-07-2017 REACH197_Declaration_with_Pb_0459001.ER_6-14-2019 No
Contains
0459002.UR FUSE 125V V/FA PICO SMF 2A RoHS No 05/05/2005 PbFree No CoC_RoHS9_0459002.UR_11-26-2018 REACH201_Declaration_with_Pb_0459002.UR_10-1-2019 No
Contains
0459002.ER FUSE 125V V/FA PICO SMF 2A RoHS No 05/05/2005 PbFree No CoC_RoHS9_0459002.ER_11-26-2018 REACH191_Declaration_with_Pb_0459002.ER_11-26-2018 No
Contains
0459003.ER FUSE 125V V/FA PICO SMF 3A RoHS No 05/05/2005 PbFree No CoC_RoHS9_0459003.ER_01-24-2020 REACH211_Declaration_(Contain)_0459003.ER_05-17-2021 No
Contains
0459003.UR FUSE 125V V/FA PICO SMF 3A RoHS No 05/05/2005 PbFree No CoC_RoHS9_0459003.UR_10-09-2019 REACH209_Declaration_-Contain-_0459003.UR_12-28-2020 No
Contains
0459004.UR FUSE 125V V/FA PICO SMF 4A RoHS No 05/05/2005 PbFree No CoC_RoHS9_0459004.UR_06-06-2019 REACH205_Declaration_-Contain-_0459004.UR_3-18-2020 No
Contains
0459004.ER FUSE 125V V/FA PICO SMF 4A RoHS No 05/05/2005 PbFree No CoC_RoHS9_0459004.ER_11-26-2018 REACH191_Declaration_with_Pb_0459004.ER_11-26-2018 No
Contains
0459005.ER FUSE 125V V/FA PICO SMF 5A RoHS No 05/05/2005 PbFree No CoC_RoHS9_0459005.ER_01-25-2019 REACH197_Declaration_with_Pb_0459005.ER_01-25-2019 No
Contains
0459005.UR FUSE 125V V/FA PICO SMF 5A RoHS No 05/05/2005 PbFree No CoC_RoHS9_0459005.UR_01-25-2019 REACH197_Declaration_with_Pb_0459005.UR_01-25-2019 No
Contains
045901.5ER FUSE 125V V/FA PICO SMF 1.5A RoHS No 05/05/2005 PbFree No CoC_REACh174_045901.5ER_08-17-2017 No
045901.5UR FUSE 125V V/FA PICO SMF 1.5A RoHS No 05/05/2005 PbFree No CoC_RoHS9_045901.5UR_08-03-2021 REACH219_Declaration_(Contain)_045901.5UR_08-03-2021 No
Contains
045902.5ER FUSE 125V V/FA PICO SMF 2.5A RoHS No 05/05/2005 PbFree No No
045902.5UR FUSE 125V V/FA PICO SMF 2.5A RoHS No 05/05/2005 PbFree No CoC_RoHS9_045902.5UR_10-23-2017 REACH191_Declaration_with_Pb_045902.5UR_11-05-2018 No
Contains
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