0451004.MR Littelfuse Inc, 0451004.MR Datasheet - Page 2

• Manufacturer Part Number: 0451004.MR
• Description: FUSE 4A 125V FAST NANO 2 SMF
• Manufacturer: Littelfuse Inc
• Series: NANO²® 451r

Specifications of 0451004.MR

• Fuse Type: Fast Acting
• Voltage - Rated: 125VAC, 125VDC
• Current: 4A
• Package / Case: Non-Standard SMD
• Size / Dimension: 0.240" L x 0.106" W x 0.106" H (6.10mm x 2.69mm x 2.69mm)
• Mounting Type: Holder/Surface Mount
• Operating Temperature: -55°C ~ 125°C
• Dc Cold Resistance: 0.016 Ohm
• Melting I²t: 3.152
• Fuse Current: 4A
• Fuse Size: 6.10 X 2.69 X 2.69mm
• Peak Reflow Compatible (260 C): No
• Current Rating: 4A
• Body Material: Ceramic
• Fuse Terminals: SMD Caps
• Leaded Process Compatible: No
• Voltage Rating: 125V
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Color: -
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant, Contains lead / RoHS non-compliant
• Other names: 0451004; 0451004.; 0451004MR; F1148TR; R451004; R451004.; R451004.MR

Notes:
- l
- Resistance is measured at 10% of rated current, 25ºC
451/453 Series
2
Electrical Specifications by Item
Ampere
t calculated at 8ms.
Rating
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
2.00
2.50
3.00
3.50
4.00
5.00
6.30
8.00
1.00
1.25
1.50
1.60
3.15
7 .00
10.0
12.0
15.0
(A)
Code
Amp
.062
.080
.100
.125
.160
.200
.250
.315
.375
.400
.500
.630
.750
.800
002.
02.5
003.
3.15
03.5
004.
005.
06.3
008.
001.
1.25
01.5
01.6
007 .
010.
012.
015.
Voltage
Rating
Max
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
125
(V)
65
65
Introduction to Circuit Protection
NANO
Introduction to Circuit Protection
2®
PSE: 100 amperes
PSE: 100 amperes
Interrupting
> Very Fast-Acting > 451/453 Series
Rating
Surface Mount Fuses
Nominal Cold
Resistance
(Ohms)
58
5.5000
4.0500
3.1000
0.8372
0.5765
0.3918
0.6100
0.5600
0.4200
0.3050
0.2450
0.2120
0.1530
0.0780
0.0630
0.0580
0.0367
0.0286
0.0227
0.0215
0.0200
0.0096
0.0090
0.0077
0.0056
0.0049
0.0037
1.7000
1.2157
0.0160
0.0125
Transientology
I
Nominal
2
Melting
0.00019
0.00033
0.00286
0.00138
t (A
0.0048
0.0089
0.0425
0.0484
0.0795
0.0158
0.0311
0.143
0.185
0.271
0.459
0.664
0.853
0.530
2.469
3.152
5.566
9.170
10.32
20.23
26.46
1.060
1.029
1.650
1.920
47 .97
97 .82
2
sec)
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Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/451.html
Agency Approvals
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or /453.html for current information.
PS
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© 2009 Littelfuse, Inc.
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