Surface Mount Fuses
PICO SMF Fuse > 460 Series
PS
E
460 Series PICO Slo-Blo Surface Mount Fuse
Description
The 460 Series Slo-Blo 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
t X #MP X 4MP
t SFOUXJUITU VTIDVS BOEDBQBCJMJU )JHIJOS Z
t 8 SFOUSBUJOHSBOHFUP JEFDVS
Agency Approvals
t VSFSBOHF 8 JEFPQFSBUJOHUFNQFSBU
AGENCY AGENCY FILE NUMBER
AMPERE RANGE
t P)4DPNQMJBOU 3
E10480 0.375A - 5A
Applications
LR29862 0.375A - 5A
t 8 JSFMFTTCBTFTU BUJPO
PS
NBK181103-E10480 1A - 5A
E
t PSLFRVJQNFOU/FU X
t FMFDPNFRVJQNFOU 5
Electrical Characteristics for Series
% of Ampere
Opening Time
Rating
100% 4 hours, Minimum
200% 1 second, Min.; 120 seconds, Max.
300% 0.2 second, Min.; 3 seconds, Max.
800% 0.02 second, Min.; 0.1 second, Max.
Electrical Specifications by Item
Max
Agency Approvals
Ampere Nominal Cold
Amp Voltage Interrupting Nominal Melting
Rating Resistance
2 2
PS
Code Rating Rating I t (A sec)
E
(A) (Ohms)
(V)
0.375 .375 125 1.7400 0.085 x x
0.500 .500 125 1.1900 0.210 x x
0.750 .750 125 0.4970 0.760 x x
1.00 001. 125 0.2800 2.01 x x x
1.50 01.5 125 0.1160 3.94 x x x
50 A @125 VAC
2.00 002. 125 0.0710 7.60 x x x
50 A @125 VDC
2.50 02.5 125 0.0520 13.0 x x x
3.00 003. 125 0.0380 21.0 x x x
3.50 03.5 125 0.0240 26.8 x x x
4.00 004. 125 0.0194 35.0 x x x
5.00 005. 125 0.0133 54.8 x x x
2009 Littelfuse, Inc.
460 Series
111
Specifications are subject to change without notice.
Revised: August 4, 2009
Please refer to www.littelfuse.com/series/460.html for current information.
460 Series Surface Mount Fuses
IntrIntroduction toduction too Cir Circuit Prcuit Prototectionection
Transientology
PICO SMF Fuse > 460 Series
Temperature Rerating Curve Average Time Current Curves
1000
100
10
1
/PUF
0.1
1. Rerating depicted in this curve is in addition to the standard rerating of 25% for
continuous operation.
0.01
0.05 0.1 1 10 100 1000
CURRENT IN AMPERES
Soldering Parameters
Wave Soldering 260C, 3 seconds max.
Reflow Soldering 230C, 30 seconds max.
2009 Littelfuse, Inc.
460 Series
112
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/460.html for current information.
TIME IN SECONDS
.375A
.500A
.750A
1A
1.5A
2A
2.5A
3A
3.5A
4A
5A