0448012.MR Littelfuse Inc, 0448012.MR Datasheet - Page 2

• Manufacturer Part Number: 0448012.MR
• Description: FUSE 12A 125V FAST NANO2 SMD
• Manufacturer: Littelfuse Inc
• Series: NANO²® 448r

Specifications of 0448012.MR

• Fuse Type: Fast Acting
• Voltage - Rated: 125VAC, 125VDC
• Current: 12A
• 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: 0.005 Ohm
• Melting I²t: 47.59
• Current Rating: 12 Amps
• Voltage Rating: 125 Volts
• Fuse Size / Group: Nano
• Termination Style: SMD/SMT
• Body Material: Ceramic
• Product: Surface Mount Fuse
• Color: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Color: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Notes:
- l
- Resistance is measured at 10% of rated current, 25ºC
448 Series
2
Electrical Specifications by Item
t calculated at 8ms.
Ampere
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
10.00
12.00
15.00
2.00
3.00
4.00
5.00
8.00
1.00
1.25
1.50
1.60
2.50
3.15
3.50
6.30
7 .00
(A)
Amp Code
.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
Introduction to Circuit Protection
NANO
300 amperes
300 amperes
300 amperes
Interrupting
50 amperes
35 amperes
50 amperes
50 amperes
2®
Rating
> Very Fast-Acting > 448 Series
Surface Mount Fuses
Nominal Cold
Resistance
0.08630
0.06261
0.03529
0.02934
0.02445
0.02300
0.00900
0.00780
0.00700
0.00533
0.00394
(Ohms)
0.06619
0.06514
0.02100
0.01577
0.01531
0.01044
0.7900
0.7300
0.4895
0.3800
0.2821
0.2475
0.1907
50
5.50
4.42
2.90
1.40
1.05
2.58
1.76
Transientology
I
Nominal
2
Melting
0.00023
0.00043
0.00082
0.00280
0.00380
0.02650
0.02400
0.04160
0.10000
0.00130
0.01520
t (A
0.121
0.206
0.272
0.441
0.900
0.900
0.812
2.300
3.970
4.490
13.92
18.33
28.00
96.10
1.122
1.156
1.720
1.810
12.10
47 .59
2
sec)
Please refer to www.littelfuse.com/series/448.html for current information.
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Agency Approvals
Specifications are subject to change without notice.
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PS
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© 2009 Littelfuse, Inc.