Surface Mount Fuses
NANO2® > 157 Fuse and Holder Combination
PS
E
157 Series – Standard Nano Fuse and Clip Assembly
Description
The 157 Series – Standard Nano Fuse/Clip assembly is a
small, square, very fast acting surface mount fuse that is
assembled in surface mountable fuse clips. The fuse clip
and pre-installed fuse combination can be automatically
placed in PC Board in one efficient manufacturing
operation. It permits quick and easy replacement of fuses
without performing desoldering process, even in the field
and without exposing the PC Board to detrimental effects
of rework solder heat.
Features
•ꢀ SurfaceꢀMountable,ꢀꢀVeryꢀ •ꢀ EasilyꢀreplaceableꢀonꢀPCꢀ
Agency Approvals
Fast Acting Fuse.
Board (Field Replaceable)
Agency
Agency File number
Ampere rAnge
0.062A ~ 10A
•ꢀ Fullyꢀcompatibleꢀwithꢀ
RoHS/Pb-Free solder
alloys and higher
temperature profiles
associated with leadfree
assembly.
•ꢀ RoHSꢀcompliantꢀandꢀ
Halogen Free
e14721
•ꢀ Availableꢀinꢀratingsꢀofꢀ
0.062 ~ 10 Amperes.
nbK030205-e10480A
nbK030205-e10480b
nbK101105-e184655
1A
1.5A - 5A
6.3A - 10A
PS
E
Electrical Characteristics for Series
Applications
% of Aꢀꢁꢂꢃꢂ ratꢄꢅꢆ
OꢁꢂꢅꢄꢅꢆTꢄꢀꢂ at 25ºc
4ꢀhoursꢀMinimum
5ꢀsecs.ꢀMaximum
•ꢀ Instrumentation
•ꢀ BaseꢀStationsꢀ
•ꢀ Telecommunications
100%
200%
Electrical Specifications by Item
noꢀꢄꢅaꢇ coꢇd
rꢂsꢄstaꢅꢉꢂ
Fꢈꢃꢅꢄshꢂd
(Ohꢀs)
noꢀꢄꢅaꢇ
mꢂꢇtꢄꢅꢆ
Aꢆꢂꢅꢉꢊ Aꢁꢁꢃovaꢇs
Aꢀꢁꢂꢃꢂ
ratꢄꢅꢆ (A)
Aꢀꢁ max Voꢇtaꢆꢂ
iꢅtꢂꢃꢃꢈꢁtꢄꢅꢆ
ratꢄꢅꢆ (A)
Fꢈsꢂ
PS
E
codꢂ
ratꢄꢅꢆ (V)
i2t (A2sꢂꢉ)
0.062
0.080
0.100
0.125
0.160
0.200
0.250
0.315
0.375
0.400
0.500
0.630
0.750
0.800
1.0
.062
.080
.100
.125
.160
.200
.250
.315
.375
.400
.500
.630
.750
.800
001.
1.25
01.5
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
0451.062
0451.080
0451.100
0451.125
0453.160
0453.200
0453.250
0453.315
0453.375
0453.400
0453.500
0453.630
0453.750
0453.800
0453001.
04531.25
045301.5
045301.6
0453002.
045302.5
0453003.
04533.15
045303.5
0453004.
0453005.
045306.3
0453007.
0453008.
5.5372
4.0500
3.1000
1.7059
1.2157
1.3971
1.0496
0.3881
0.4541
0.4233
0.3046
0.2022
0.1444
0.1355
0.0780
0.078
0.0634
0.0580
0.0373
0.0288
0.0229
0.0215
0.0203
0.0163
0.0127
0.0098
0.0092
0.0079
0.00019
0.00033
0.00138
0.00286
0.0048
0.00652
0.01126
0.0311
0.0442
0.0551
0.0824
0.1381
0.2143
0.2654
0.6029
0.664
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
50Aꢀ@ꢀ125ꢀVAC/VDC
300Aꢀ@ꢀ32ꢀVDC
X
X
X
X
X
X
X
X
X
X
X
X
X
X
1.25
1.5
0.853
1.6
01.6
1.060
2.0
002.
02.5
003.
3.15
03.5
004.
005.
06.3
0 0 7.
008.
0.530
2.5
1.029
3.0
1.650
3.15
3.5
1.920
2.469
4.0
3.152
5.0
5.566
6.3
9.17
7. 0
10.32
8.0
20.23
35Aꢀ@ꢀ125ꢀꢀVACꢀ/ꢀ50Aꢀ@125ꢀVDC
300Aꢀ@ꢀ32VDC
10.0
010.
125
0453010.
0.0058
26.46
X
X
1. Cold resistance measured at less than 10% of rated current at 23ºC.
3. Agency ApprovalTable Key: X=Approved or Certified, P=Pending and Blank=Not Approved
4. Have special electrical characteristic needs? Contact Littelfuse to learn more about application specific options.
2. I2t values stated for 8ms opening time.
© 2014 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 02/20/14