Surface Mount Fuses
NANO
2®
> Very Fast-Acting > 448 Series
Electrical Specifications by Item
Ampere
Rating
(A)
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
1.00
1.25
1.50
1.60
2.00
2.50
3.00
3.15
3.50
4.00
5.00
6.30
7
.00
8.00
Max
Voltage
Rating
(V)
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
35 amperes
50 amperes
10.00
010.
125
300 amperes
0.00700
28.00
x
x
x
50 amperes
300 amperes
Interrupting
Rating
Nominal Cold
Resistance
(Ohms)
5.50
4.42
2.90
2.58
1.76
1.40
1.05
0.7900
0.7300
0.4895
0.3800
0.2821
0.2475
0.1907
0.08630
0.06619
0.06514
0.06261
0.03529
0.02934
0.02445
0.02300
0.02100
0.01577
0.01531
0.01044
0.00900
0.00780
Nominal
Melting
I
2
t (A
2
sec)
0.00023
0.00043
0.00082
0.00130
0.00280
0.00380
0.01520
0.02650
0.02400
0.04160
0.10000
0.121
0.206
0.272
0.441
0.900
0.900
1.122
0.812
1.156
1.720
1.810
2.300
3.970
4.490
12.10
13.92
18.33
Agency Approvals
PS
E
Amp Code
.062
.080
.100
.125
.160
.200
.250
.315
.375
.400
.500
.630
.750
.800
001.
1.25
01.5
01.6
002.
02.5
003.
3.15
03.5
004.
005.
06.3
007
.
008.
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
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
x
x
x
x
x
x
x
x
x
x
12.00
012.
85
50 amperes
300 amperes
0.00533
47
.59
x
x
15.00
015.
85
200 amperes
0.00394
96.10
x
x
Notes:
- l
2
t calculated at 8ms.
- Resistance is measured at 10% of rated current, 25ºC
448 Series
© 2012 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/448.html for current information.
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