451 Fuses - 451 Series - NANO<sup>2®</sup> Very Fast-Acting Subminiature Surface Mount Fuse

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451 and 453 Series Data Sheet
Littelfuse_Fuse_451_453.pdf
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Last Uploaded: January 10, 2012

Series: 451

451 Series - NANO^2® Very Fast-Acting Subminiature Surface Mount Fuse

The Nano² SMF Fuse is a very small, square surface mount fuse that is also available in a surface mount holder.

Electrical Characteristics

Access specifications, certifications, check availability and order parts below:

Check distributor stock availability by clicking on the [CHECK] link. View certification PDF files by clicking on the certification logo. View the part details by clicking on the part number. To order sample parts, click on the [ADD] link. Click on the 'Key' button to view definitions for each column header. Sort parts by clicking on the column you wish to sort by.

CatalogNo	Amps (A)	VDC (V)	VAC (V)	Nominal Melting I²T (A²sec)	Resistance (Ω)	IR	Stock	Sample Cart
0451.062	0.062	125	125	0.0002	5.5	300A@32VDC 50A@125VDC 50A@125VAC	[Check]	[Add]
0451.080	0.08	125	125	0.0003	4.05	300A@32VDC 50A@125VDC 50A@125VAC	[Check]	[Add]
0451.100	0.1	125	125	0.0014	3.1	300A@32VDC 50A@125VDC 50A@125VAC	[Check]	[Add]
0451.125	0.125	125	125	0.0029	1.7	300A@32VDC 50A@125VDC 50A@125VAC	[Check]	[Add]
0451.160	0.16	125	125	0.0048	1.8	300A@32VDC 50A@125VDC 50A@125VAC	[Check]	[Add]
0451.200	0.2	125	125	0.0089	1.4	300A@32VDC 50A@125VDC 50A@125VAC	[Check]	[Add]
0451.250	0.25	125	125	0.0158	1.05	300A@32VDC 50A@125VDC 50A@125VAC	[Check]	[Add]
0451.315	0.315	125	125	0.0311	0.78	300A@32VDC 50A@125VDC 50A@125VAC	[Check]	[Add]
0451.375	0.375	125	125	0.0425	0.61	300A@32VDC 50A@125VDC 50A@125VAC	[Check]	[Add]
0451.400	0.4	125	125	0.0484	0.56	300A@32VDC 50A@125VDC 50A@125VAC	[Check]	[Add]
0451.500	0.5	125	125	0.0795	0.42	300A@32VDC 50A@125VDC 50A@125VAC	[Check]	[Add]
0451.630	0.63	125	125	0.143	0.305	300A@32VDC 50A@125VDC 50A@125VAC	[Check]	[Add]
0451.750	0.75	125	125	0.185	0.245	300A@32VDC 50A@125VDC 50A@125VAC	[Check]	[Add]
0451.800	0.8	125	125	0.271	0.212	300A@32VDC 50A@125VDC 50A@125VAC	[Check]	[Add]
0451001.	1	125	125	0.459	0.153	300A@32VDC 50A@125VDC 50A@125VAC	[Check]	[Add]
0451002.	2	125	125	0.53	0.0367	300A@32VDC 50A@125VDC 50A@125VAC	[Check]	[Add]
0451003.	3	125	125	1.65	0.0227	300A@32VDC 50A@125VDC 50A@125VAC	[Check]	[Add]
0451004.	4	125	125	3.152	0.016	300A@32VDC 50A@125VDC 50A@125VAC	[Check]	[Add]
0451005.	5	125	125	5.566	0.0125	300A@32VDC 50A@125VDC 50A@125VAC	[Check]	[Add]
0451007.	7	125	125	10.32	0.009	300A@32VDC 50A@125VDC 50A@125VAC	[Check]	[Add]
0451008.	8	125	125	20.23	0.0077	300A@32VDC 50A@125VDC 50A@125VAC	[Check]	[Add]
045101.5	1.5	125	125	0.853	0.063	300A@32VDC 50A@125VDC 50A@125VAC	[Check]	[Add]
045101.6	1.6	125	125	1.06	0.058	300A@32VDC 50A@125VDC 50A@125VAC	[Check]	[Add]
0451010.	10	125	125	26.46	0.0056	300A@32VDC 50A@125VDC 35A@125VAC	[Check]	[Add]
0451012.	12	65	65	47.97	0.0049	300A@24VDC 50A@65VDC 50A@65VAC	[Check]	[Add]
0451015.	15	65	65	97.82	0.0037	300A@24VDC 50A@65VDC 50A@65VAC	[Check]	[Add]
045102.5	2.5	125	125	1.029	0.0286	300A@32VDC 50A@125VDC 50A@125VAC	[Check]	[Add]
045103.5	3.5	125	125	2.469	0.02	300A@32VDC 50A@125VDC 50A@125VAC	[Check]	[Add]
045106.3	6.3	125	125	9.17	0.0096	300A@32VDC 50A@125VDC 50A@125VAC	[Check]	[Add]
04511.25	1.25	125	125	0.664	0.078	300A@32VDC 50A@125VDC 50A@125VAC	[Check]	[Add]
04513.15	3.15	125	125	1.92	0.0215	300A@32VDC 50A@125VDC 50A@125VAC	[Check]	[Add]
R451.062 Replaced By 0451.062	0.062	125	125	0.0002	5.5	300A@32VDC 50A@125VDC 50A@125VAC	[Check]	[Add]
R451.080 Replaced By 0451.080	0.08	125	125	0.0003	4.05	300A@32VDC 50A@125VDC 50A@125VAC	[Check]	[Add]
R451.100 Replaced By 0451.100	0.1	125	125	0.0014	3.1	300A@32VDC 50A@125VDC 50A@125VAC	[Check]	[Add]
R451.125 Replaced By 0451.125	0.125	125	125	0.0029	1.7	300A@32VDC 50A@125VDC 50A@125VAC	[Check]	[Add]
R451.160 Replaced By 0451.160	0.16	125	125	0.0031	1.8	300A@32VDC 50A@125VDC 50A@125VAC	[Check]	[Add]
R451.200 Replaced By 0451.200	0.2	125	125	0.0065	1.4	300A@32VDC 50A@125VDC 50A@125VAC	[Check]	[Add]
R451.250 Replaced By 0451.250	0.25	125	125	0.0113	1.05	300A@32VDC 50A@125VDC 50A@125VAC	[Check]	[Add]
R451.315 Replaced By 0451.315	0.315	125	125	0.0231	0.78	300A@32VDC 50A@125VDC 50A@125VAC	[Check]	[Add]
R451.375 Replaced By 0451.375	0.375	125	125	0.0425	0.61	300A@32VDC 50A@125VDC 50A@125VAC	[Check]	[Add]
R451.400 Replaced By 0451.400	0.4	125	125	0.0484	0.56	300A@32VDC 50A@125VDC 50A@125VAC	[Check]	[Add]
R451.500 Replaced By 0451.500	0.5	125	125	0.0795	0.42	300A@32VDC 50A@125VDC 50A@125VAC	[Check]	[Add]
R451.630 Replaced By 0451.630	0.63	125	125	0.143	0.305	300A@32VDC 50A@125VDC 50A@125VAC	[Check]	[Add]
R451.750 Replaced By 0451.750	0.75	125	125	0.185	0.245	300A@32VDC 50A@125VDC 50A@125VAC	[Check]	[Add]
R451.800 Replaced By 0451.800	0.8	125	125	0.271	0.212	300A@32VDC 50A@125VDC 50A@125VAC	[Check]	[Add]
R451001 Replaced By 0451001.	1	125	125	0.459	0.153	300A@32VDC 50A@125VDC 50A@125VAC	[Check]	[Add]
R451002 Replaced By 0451002.	2	125	125	0.53	0.0367	300A@32VDC 50A@125VDC 50A@125VAC	[Check]	[Add]
R451003 Replaced By 0451003.	3	125	125	1.65	0.0227	300A@32VDC 50A@125VDC 50A@125VAC	[Check]	[Add]
R451004 Replaced By 0451004.	4	125	125	3.152	0.016	300A@32VDC 50A@125VDC 50A@125VAC	[Check]	[Add]
R451005 Replaced By 0451005.	5	125	125	5.566	0.0125	300A@32VDC 50A@125VDC 50A@125VAC	[Check]	[Add]
R451007 Replaced By 0451007.	7	125	125	10.32	0.009	300A@32VDC 50A@125VDC 50A@125VAC	[Check]	[Add]
R451008 Replaced By 0451008.	8	125	125	20.23	0.0077	300A@32VDC 50A@125VAC 50A@125VDC	[Check]	[Add]
R45101.5 Replaced By 045101.5	1.5	125	125	0.853	0.063	300A@32VDC 50A@125VDC 50A@125VAC	[Check]	[Add]
R45101.6 Replaced By 045101.6	1.6	125	125	1.06	0.058	300A@32VDC 50A@125VDC 50A@125VAC	[Check]	[Add]
R451010 Replaced By 0451010.	10	125	125	26.46	0.0056	300A@32VDC 50A@125VDC 50A@125VAC	[Check]	[Add]
R451012 Replaced By 0451012.	12	65	65	47.97	0.0049	300A@24VDC 50A@65VDC 50A@65VAC	[Check]	[Add]
R451015 Replaced By 0451015.	15	65	65	97.82	0.0037	300A@24VDC 50A@65VDC 50A@65VAC	[Check]	[Add]
R45102.5 Replaced By 045102.5	2.5	125	125	1.029	0.0286	300A@32VDC 50A@125VDC 50A@125VAC	[Check]	[Add]
R45103.5 Replaced By 045103.5	3.5	125	125	2.469	0.02	300A@32VDC 50A@125VDC 50A@125VAC	[Check]	[Add]
R45106.3 Replaced By 045106.3	6.3	125	125	9.17	0.0096	300A@32VDC 50A@125VDC 50A@125VAC	[Check]	[Add]
R4511.25 Replaced By 04511.25	1.25	125	125	0.664	0.078	300A@32VDC 50A@125VDC 50A@125VAC	[Check]	[Add]
R4513.15 Replaced By 04513.15	3.15	125	125	1.92	0.0215	300A@32VDC 50A@125VDC 50A@125VAC	[Check]	[Add]