0451.250MRL Littelfuse Inc, 0451.250MRL Datasheet - Page 2

FUSE .250A 125V FAST NANO2 SMD

0451.250MRL

Manufacturer Part Number
0451.250MRL
Description
FUSE .250A 125V FAST NANO2 SMD
Manufacturer
Littelfuse Inc
Series
NANO²® 451r
Type
Surface Mount Fusesr
Datasheet

Specifications of 0451.250MRL

Fuse Type
Fast Acting
Voltage - Rated
125VAC, 125VDC
Current
250mA
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
0.577 Ohm
Melting I²t
0.0158
Current Rating
0.25 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
Mounting Style
SMD/SMT
Operating Temperature Range
- 55 C to + 125 C
Resistance
1.05 Ohms
Lead Free Status / RoHS Status
Lead free by exemption / RoHS Compliant
Color
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
0451.250MRL
F2572TR
R451.250L

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
0451.250MRL
Manufacturer:
LITILEF
Quantity:
20 000
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
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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