Surface mount fuses, Nano, Very fast-acting > 448 series – Littelfuse 448 Series User Manual
Page 2
© 2013 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 12/19/13
Surface Mount Fuses
NANO
2®
> Very Fast-Acting > 448 Series
Ampere
Rating
(A)
Amp Code
max
Voltage
Rating
(V)
Interrupting
Rating
Nominal Cold
Resistance
(Ohms)
Nominal
melting
I
2
t (A
2
sec)
Agency Approvals
PS
E
0.062
.062
125
50 amperes
@125 VAC/VDC
300 amperes
@32 VDC
PSE: 100 amperes
@100VAC
5.50
0.00023
x
x
0.080
.080
125
4.42
0.00043
x
x
0.100
.100
125
2.90
0.00082
x
x
0.125
.125
125
2.58
0.00130
x
x
0.160
.160
125
1.76
0.00280
x
x
0.200
.200
125
1.40
0.00380
x
x
0.250
.250
125
1.05
0.01520
x
x
0.315
.315
125
0.7900
0.02650
x
x
0.375
.375
125
0.7300
0.02400
x
x
0.400
.400
125
0.4895
0.04160
x
x
0.500
.500
125
0.3800
0.10000
x
x
0.630
.630
125
0.2821
0.121
x
x
0.750
.750
125
0.2475
0.206
x
x
0.800
.800
125
0.1907
0.272
x
x
1.00
001.
125
0.08630
0.441
x
x
x
1.25
1.25
125
0.06619
0.900
x
x
x
1.50
01.5
125
0.06514
0.900
x
x
x
1.60
01.6
125
0.06261
1.122
x
x
x
2.00
002.
125
0.03529
0.812
x
x
x
2.50
02.5
125
0.02934
1.156
x
x
x
3.00
003.
125
0.02445
1.720
x
x
x
3.15
3.15
125
0.02300
1.810
x
x
x
3.50
03.5
125
0.02100
2.300
x
x
x
4.00
004.
125
0.01577
3.970
x
x
x
5.00
005.
125
0.01531
4.490
x
x
x
6.30
06.3
125
0.01044
12.10
x
x
x
7.00
007.
125
0.00900
13.92
x
x
x
8.00
008.
125
0.00780
18.33
x
x
x
10.00
010.
125
35 amperes
@125 VAC
50 amperes
@125 VDC
300 amperes
@32 VDC
PSE: 100 amperes
@100VAC
0.00700
28.00
x
x
x
12.00
012.
85
50 amperes
@65 VAC/VDC
300 amperes
@24 VDC
200 amperes
@85 VDC
0.00533
47.59
x
x
15.00
015.
85
0.00394
96.10
x
x
Electrical Specifications by Item
Notes:
- l
2
t calculated at 8ms.
- Resistance is measured at 10% of rated current, 25ºC