© 2012 Littelfuse, Inc.
Specifications are subject to change without notice.
Surface Mount Fuses
448 Series
NANO
2®
> Very Fast-Acting > 448 Series
Please refer to www.littelfuse.com/series/448.html for current information.
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
!7"$7%$
300 amperes
!7%$
14&BNQFSFT
!7"$
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
!7"$
50 amperes
!7%$
300 amperes
!7%$
14&BNQFSFT
!7"$
0.00700 28.00 x x x
12.00 012. 85
50 amperes
!7"$7%$
300 amperes
!7%$
200 amperes
!7%$
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
