Introduction to Circuit Protection
Introduction to Circuit Protection
Transientology
58
© 2009 Littelfuse, Inc.
Specifications are subject to change without notice.
Surface Mount Fuses
451/453 Series
NANO
2®
> Very Fast-Acting > 451/453 Series
Please refer to www.littelfuse.com/series/451.html
or /453.html for current information.
Electrical Specifications by Item
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
50amperes@125VAC/VDC
300amperes@32VDC
PSE: 100 amperes
@100VAC
5.5000
0.00019 x x
0.080 .080 125 4.0500
0.00033 x x
0.100 .100 125 3.1000 0.00138 x x
0.125 .125 125 1.7000 0.00286 x x
0.160 .160 125 1.2157 0.0048 x x
0.200 .200 125 0.8372 0.0089 x x
0.250 .250 125 0.5765
0.0158 x x
0.315 .315 125 0.3918
0.0311 x x
0.375 .375 125 0.6100 0.0425 x x
0.400 .400 125 0.5600 0.0484 x x
0.500 .500 125 0.4200 0.0795 x x
0.630 .630 125 0.3050
0.143 x x
0.750 .750 125 0.2450 0.185 x x
0.800 .800 125 0.2120 0.271 x x
1.00 001. 125 0.1530 0.459 x x x
1.25 1.25 125 0.0780 0.664 x x x
1.50 01.5 125 0.0630 0.853 x x x
1.60 01.6 125 0.0580
1.060 x x x
2.00 002. 125 0.0367 0.530 x x x
2.50 02.5 125 0.0286 1.029 x x x
3.00 003. 125 0.0227 1.650 x x x
3.15 3.15 125 0.0215 1.920 x x x
3.50 03.5 125 0.0200 2.469 x x x
4.00 004. 125 0.0160 3.152 x x x
5.00 005. 125 0.0125 5.566 x x x
6.30 06.3 125 0.0096 9.170 x x x
7.00 007. 125 0.0090 10.32 x x x
8.00 008. 125 0.0077 20.23 x x x
10.0 010. 125
35amperes@125VAC/
50amperes@125VDC
300amperes@32VDC
PSE: 100 amperes
@100VAC
0.0056 26.46 x x x
12.0 012. 65
50amperes@65VAC/VDC
300amperes@24VDC
0.0049 47.97 x x
15.0 015. 65 0.0037 97.82 x x
Notes:
- l
2
t calculated at 8ms.
- Resistance is measured at 10% of rated current, 25ºC
