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 #Amps (A)VAC (V)VDC (V)Nominal Melting I2T (A2sec)Resistance
(Ω)
Interrupting RatingMax Operating Temp (°C)Min Operating Temp (°C)BodyMSLNom
Voltage
Drop
(mV)
OpeningSizeStockSamplesCompare
0459.0620.0621251250.0000757300A@125VDC125-55Ceramic BodyMIL-STD-202 Method 106 High Humidity (90-98 RH) Heat (65&).1.4Very Fast-Acting (FF)7.24 x 4.32mmCheckOrder
0459.1250.1251251250.001631.7300A@125VDC125-55Ceramic BodyMIL-STD-202 Method 106 High Humidity (90-98 RH) Heat (65&).0.285Very Fast-Acting (FF)7.24 x 4.32mmCheckOrder
0459.2000.21251250.895125-55Ceramic BodyMIL-STD-202 Method 106 High Humidity (90-98 RH) Heat (65&).0.265Very Fast-Acting (FF)7.24 x 4.32mmCheckOrder
0459.2500.251251250.01060.665300A@125VDC125-55Ceramic BodyMIL-STD-202 Method 106 High Humidity (90-98 RH) Heat (65&).0.24Very Fast-Acting (FF)7.24 x 4.32mmCheckOrder
0459.3750.3751251250.02540.395300A@125VDC125-55Ceramic BodyMIL-STD-202 Method 106 High Humidity (90-98 RH) Heat (65&).0.215Very Fast-Acting (FF)7.24 x 4.32mmCheckOrder
0459.5000.51251250.05460.302300A@125VDC125-55Ceramic BodyMIL-STD-202 Method 106 High Humidity (90-98 RH) Heat (65&).0.2165Very Fast-Acting (FF)7.24 x 4.32mmCheckOrder
0459.7500.751251250.1550.175300A@125VDC125-55Ceramic BodyMIL-STD-202 Method 106 High Humidity (90-98 RH) Heat (65&).0.176Very Fast-Acting (FF)7.24 x 4.32mmCheckOrder
0459001.11251250.2810.128300A@125VDC125-55Ceramic BodyMIL-STD-202 Method 106 High Humidity (90-98 RH) Heat (65&).0.194Very Fast-Acting (FF)7.24 x 4.32mmCheckOrder
0459002.21251250.4210.0468300A@125VDC125-55Ceramic BodyMIL-STD-202 Method 106 High Humidity (90-98 RH) Heat (65&).0.141Very Fast-Acting (FF)7.24 x 4.32mmCheckOrder
0459003.31251251.230.029300A@125VDC125-55Ceramic BodyMIL-STD-202 Method 106 High Humidity (90-98 RH) Heat (65&).0.131Very Fast-Acting (FF)7.24 x 4.32mmCheckOrder
0459004.41251252.350.0197300A@125VDC125-55Ceramic BodyMIL-STD-202 Method 106 High Humidity (90-98 RH) Heat (65&).0.114Very Fast-Acting (FF)7.24 x 4.32mmCheckOrder
0459005.51251253.90.0151300A@125VDC125-55Ceramic BodyMIL-STD-202 Method 106 High Humidity (90-98 RH) Heat (65&).0.11Very Fast-Acting (FF)7.24 x 4.32mmCheckOrder
045901.51.51251250.650.0816300A@125VDC125-55Ceramic BodyMIL-STD-202 Method 106 High Humidity (90-98 RH) Heat (65&).0.21Very Fast-Acting (FF)7.24 x 4.32mmCheckOrder
045902.52.51251250.7210.035300A@125VDC125-55Ceramic BodyMIL-STD-202 Method 106 High Humidity (90-98 RH) Heat (65&).0.132Very Fast-Acting (FF)7.24 x 4.32mmCheckOrder
045903.53.51251251.650.0233300A@125VDC125-55Ceramic BodyMIL-STD-202 Method 106 High Humidity (90-98 RH) Heat (65&).0.1205Very Fast-Acting (FF)7.24 x 4.32mmCheckOrder
R459.062
Obsolete: 2000 -01-01
Replaced By: 0459.062UR
0.0621251250.0000757300A@125VDC125-55Ceramic BodyMIL-STD-202 Method 106 High Humidity (90-98 RH) Heat (65&).Very Fast-Acting (FF)Subminiature
R459.125
Obsolete: 2000 -01-01
Replaced By: 0459.125ER
0.1251251250.001631.7300A@125VDC125-55Ceramic BodyMIL-STD-202 Method 106 High Humidity (90-98 RH) Heat (65&).Very Fast-Acting (FF)Subminiature
R459.250
Obsolete: 2000 -01-01
Replaced By: 0459.250ER
0.251251250.01060.665300A@125VDC125-55Ceramic BodyMIL-STD-202 Method 106 High Humidity (90-98 RH) Heat (65&).Very Fast-Acting (FF)Subminiature
R459.375
Obsolete: 2000 -01-01
Replaced By: 0459.375ER
0.3751251250.02540.395300A@125VDC125-55Ceramic BodyMIL-STD-202 Method 106 High Humidity (90-98 RH) Heat (65&).Very Fast-Acting (FF)Subminiature
R459.500
Obsolete: 2000 -01-01
Replaced By: 0459.500ER
0.51251250.05460.302300A@125VDC125-55Ceramic BodyMIL-STD-202 Method 106 High Humidity (90-98 RH) Heat (65&).Very Fast-Acting (FF)Subminiature
R459.750
Obsolete: 2000 -01-01
Replaced By: 0459.750ER
0.751251250.1550.175300A@125VDC125-55Ceramic BodyMIL-STD-202 Method 106 High Humidity (90-98 RH) Heat (65&).Very Fast-Acting (FF)Subminiature
R459001
Obsolete: 2000 -01-01
Replaced By: 0459001.ER
11251250.2810.128300A@125VDC125-55Ceramic BodyMIL-STD-202 Method 106 High Humidity (90-98 RH) Heat (65&).Very Fast-Acting (FF)Subminiature
R459002
Obsolete: 2000 -01-01
Replaced By: 0459002.ER
21251250.4210.0468300A@125VDC125-55Ceramic BodyMIL-STD-202 Method 106 High Humidity (90-98 RH) Heat (65&).Very Fast-Acting (FF)Subminiature
R459003
Obsolete: 2000 -01-01
Replaced By: 0459003.ER
31251251.230.029300A@125VDC125-55Ceramic BodyMIL-STD-202 Method 106 High Humidity (90-98 RH) Heat (65&).Very Fast-Acting (FF)Subminiature
R459004
Obsolete: 2000 -01-01
Replaced By: 0459004.ER
41251252.350.0197300A@125VDC125-55Ceramic BodyMIL-STD-202 Method 106 High Humidity (90-98 RH) Heat (65&).Very Fast-Acting (FF)Subminiature
R459005
Obsolete: 2000 -01-01
Replaced By: 0459005.ER
51251253.90.0151300A@125VDC125-55Ceramic BodyMIL-STD-202 Method 106 High Humidity (90-98 RH) Heat (65&).Very Fast-Acting (FF)Subminiature
R45901.5
Obsolete: 2000 -01-01
Replaced By: 045901.5ER
1.51251250.650.0816300A@125VDC125-55Ceramic BodyMIL-STD-202 Method 106 High Humidity (90-98 RH) Heat (65&).Very Fast-Acting (FF)Subminiature
R45902.5
Obsolete: 2000 -01-01
Replaced By: 045902.5ER
2.51251250.7210.035300A@125VDC125-55Ceramic BodyMIL-STD-202 Method 106 High Humidity (90-98 RH) Heat (65&).Very Fast-Acting (FF)Subminiature
R45903.5
Obsolete: 2000 -01-01
Replaced By: 045903.5ER
3.51251251.650.0233300A@125VDC125-55Ceramic BodyMIL-STD-202 Method 106 High Humidity (90-98 RH) Heat (65&).Very Fast-Acting (FF)Subminiature

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