0451.500MRL Littelfuse Inc, 0451.500MRL Datasheet - Page 2

• Manufacturer Part Number: 0451.500MRL
• Description: FUSE .500A 125V FAST NANO2 SMD
• Manufacturer: Littelfuse Inc
• Series: NANO²® 451r
• Type: Surface Mount Fusesr

Specifications of 0451.500MRL

• Fuse Type: Fast Acting
• Voltage - Rated: 125VAC, 125VDC
• Current: 500mA
• 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: 0.42 Ohm
• Melting I²t: 0.0795
• Current Rating: 0.5 Amp
• Voltage Rating: 125 Volts
• Fuse Size / Group: Nano
• Termination Style: SMD/SMT
• Body Material: Ceramic
• Product: Surface Mount Fuse
• Interrupt Rating: 50 Amps
• Acting: Very Fast
• Voltage Rating (vac): 125V
• Voltage Rating (vdc): 125V
• Operating Temp Range: -55C to 125C
• Package Type: CSMD
• Mounting: Surface Mount
• Housing Material: Ceramic
• Operating Temperature Classification: Military
• Lead Free Status / RoHS Status: Lead free by exemption / RoHS Compliant
• Color: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 0451.500MRL; F2574TR; R451.500L

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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