0451.750MR Littelfuse Inc, 0451.750MR Datasheet - Page 2

• Manufacturer Part Number: 0451.750MR
• Description: FUSE .750A 125V FAST NANO 2 SMF
• Manufacturer: Littelfuse Inc
• Series: NANO²® 451r
• Type: Surface Mount Fusesr

Specifications of 0451.750MR

• Fuse Type: Fast Acting
• Voltage - Rated: 125VAC, 125VDC
• Current: 750mA
• 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: 0.245 Ohm
• Melting I²t: 0.185
• Current Rating: 0.75 Amp
• Voltage Rating: 125 Volts
• Fuse Size / Group: Nano
• Termination Style: SMD/SMT
• Body Material: Ceramic
• Dimensions: 6.1 mm L x 2.69 mm W
• Product: Surface Mount Fuse
• Interrupt Rating: 50 Amps
• Operating Temperature Range: - 55 C to + 125 C
• Resistance: 0.245 Ohms
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Color: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Contains lead / RoHS non-compliant
• Other names: 0451.750; F1142TR; R451.750; R451.750MR

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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