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
tꢀ 4VSGBDFꢀ.PVOUBCMFꢁꢀꢀ
tꢀ &BTJMZꢀSFQMBDFBCMFꢀ
on PC Board (Field
Replaceable)
Agency Approvals
Very Fast Acting Fuse.
AGENCY
AGENCY FILE NUMBER
AMPERE RANGE
0.062A ~ 10A
tꢀ 'VMMZꢀDPNQBUJCMFꢀXJUIꢀ
RoHS/Pb-Free solder
alloys and higher
tꢀ 3P)4ꢀDPNQMJBOUꢀBOEꢀ
E14721
Halogen Free
NBK030205-E10480A
NBK030205-E10480B
NBK101105-E184655
1A
1.5A - 5A
6.3A - 10A
PS
E
temperature profiles
associated with leadfree
assembly.
tꢀ "WBJMBCMFꢀJOꢀSBUJOHTꢀPGꢀ
0.062 ~ 10 Amperes.
Electrical Characteristics for Series
Applications
% of Ampere Rating
OpeningTime at 25ºC
ꢂꢀIPVSTꢀ.JOJNVN
ꢃꢀTFDTꢄꢀ.BYJNVN
tꢀ *OTUSVNFOUBUJPO
tꢀ #BTFꢀ4UBUJPOTꢀ
tꢀ 5FMFDPNNVOJDBUJPOT
100%
200%
Electrical Specifications by Item
Nominal Cold
Nominal
Agency Approvals
Ampere
Rating (A)
Amp Max Voltage
Interrupting
Rating (A)
Fuse
Furnished
Resistance
Melting
PS
E
Code
Rating (V)
(Ohms)
I2t (A2sec)
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
0.6083
0.5600
0.4181
0.3050
0.2458
0.2120
0.1537
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
0.0425
0.0484
0.0795
0.143
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
0.185
50A @ 125 VAC/VDC
300A @ 32 VDC
0.271
0.459
X
X
X
X
X
X
X
X
X
X
X
X
X
X
1.25
1.5
0.664
0.853
1.6
01.6
1.060
2.0
002.
02.5
003.
3.15
03.5
004.
005.
06.3
007.
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
35A @ 125 VAC / 50A @125 VDC
300A @ 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.
© 2009 Littelfuse, Inc.
157 Series
95
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/157.html for current information.
Revised: February 19, 2010