Surface Mount Fuses
Thin Film > 1206 Size > Very Fast-Acting > 466 Series
466 Series Fuse
Description
The 466 Series Fast-Acting Surface Mount Fuse (SMF)
is a small (1206 size) thin-film device designed for
secondary protection of circuits used in space constrained
applications such as hand-held portable electronic devices.
This series is 100% lead-free and meets the requirements
of the RoHS directive. New Halogen-Free 466 Series
fuses are available to order using the “HF” suffix. See Part
Numbering section for additional information.
Features
•ꢀ Productꢀisꢀcompatibleꢀ
with lead-free solders
and higher temperature
profiles
•ꢀ Element-coveringꢀmaterialꢀ
is resistant to industry
standard cleaning
Agency Approvals
Agency
Agency File number
e10480
Ampere rAnge
125ꢀA - 5A
operations
•ꢀ Productꢀisꢀmarkedꢀonꢀ
top surface with code to
allow amperage rating
identification without
testing
•ꢀ Mountingꢀpadꢀandꢀ
electrical performance are
identicalꢀtoꢀLittelfuseꢀ429ꢀ
and 433 Series products
lr29862
125ꢀA - 5A
•ꢀ Alloy-basedꢀelementꢀ
construction provides
superior inrush withstand
characteristics (I2t) over
ceramic or glass-based
1206 chip fuse products
•ꢀ Lowꢀprofileꢀforꢀheightꢀ
Electrical Characteristics for Series
sensitive applications
•ꢀ Flatꢀtopꢀsurfaceꢀforꢀpick-
% of Aꢀꢁꢂꢃꢂ
OꢁꢂꢅꢄꢅꢆTꢄꢀꢂ at 25Oc
4 hours, Minimum
and-place operations
ratꢄꢅꢆ
100%
200%
300%
5 sec., Maximum
Applications
0.2 sec., Maximum
Secondary protection for space constrained applications:
•ꢀ Cellꢀphones
•ꢀ DVDꢀplayers
•ꢀ Batteryꢀpacks
•ꢀ Digitalꢀcameras
•ꢀ Hardꢀdiskꢀdrives
Electrical Specifications by Item
Aꢆꢂꢅꢉꢊ Aꢁꢁꢃovaꢇs
noꢀ powꢂꢃ
Aꢀꢁꢂꢃꢂ
ratꢄꢅꢆ
(A)
0.125
0.200
0.250
0.375
0.500
0.750
1.00
1.25
1.50
1.75
2.00
2.50
3.00
4.00
5.00
max
Voꢇtaꢆꢂ ratꢄꢅꢆ
(V)
noꢀꢄꢅaꢇ coꢇd noꢀꢄꢅaꢇ
noꢀ
Aꢀꢁ
codꢂ
iꢅtꢂꢃꢃꢈꢁtꢄꢅꢆ
ratꢄꢅꢆ
rꢂsꢄstaꢅꢉꢂ
(Ohꢀs)
mꢂꢇtꢄꢅꢆ
Voꢇtaꢆꢂ Dꢃoꢁ Dꢄssꢄꢁatꢄoꢅ
i2t (A2sꢂꢉ)
(ꢀV)
552.66
254.28
207.01
169.18
158.47
98.65
89.94
85.71
82.97
80.73
78.73
76.99
75.99
74.50
(W)
.125
.200
.250
.375
.500
.750
001.
1.25
01.5
1.75
002.
02.5
003.
004.
005.
125
125
125
125
63
63
63
63
63
63
63
4.000
1.160
0.710
0.350
0.248
0.111
0.076
0.059
0.048
0.039
0.031
0.024
0.020
0.014
0.011
0.00040
0.00055
0.0010
0.0028
0.0060
0.0276
0.0423
0.0640
0.1103
0.1323
0.2326
0.3516
0.5760
1.024
0.0691
0.0509
0.0518
0.0634
0.0792
0.0740
0.0899
0.1071
0.1244
0.1413
0.1575
0.1925
0.2280
0.2980
0.3688
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
50A @125 V AC/
DC
50A @63 V AC/DC
50A @32 V AC/DC
32
32
32
32
1.600
73.75
1. Measured at 10% of rated current, 25ºC.
2. Measured at rated voltage.
© 2009 Littelfuse, Inc.
466 Series
29
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/466.html for current information.
Revised: Jun 16, 2011