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参数资料
| 型号： | 0448.375NR |
| 元件分类： | 保险丝 |
| 英文描述： | VERY FAST BLOW ELECTRIC FUSE, 0.375A, 125VAC, 125VDC, 50A (IR), SURFACE MOUNT |
| 封装： | ROHS COMPLIANT |
| 文件页数： | 1/1页 |
| 文件大小： | 141K |
| 代理商： | 0448.375NR |
374
Surface Mount Fuses
www .littelfuse .com
Subminiature Surface Mount
Lead-Free NANO
2 Fuse Very Fast-Acting 448 Series
The lead free Nano2 SMF Fuse is a very small, square surface mount fuse
that is RoHS compliant and 100% Lead-Free. This product is fully compatible
with lead-free solder alloys and higher temperature profiles associated with
lead-free assembly.
ELECTRICAL CHARACTERISTICS:
% of Ampere
Ampere
Opening
Rating
Time
100%
1/16 –15
4 hours, Minimum
200%
1/16 –10
5 seconds, Maximum
12–15
20 seconds, Maximum
AGENCY APPROVALS: Recognized under the Components Program of
Underwriters Laboratories and Certified by CSA. Approved by METI from 1
through 5 amperes.
AGENCY FILE NUMBERS: UL E10480, CSA LR 29862.
INTERRUPTING RATINGS:
1/16 – 8A
50 amperes at 125 VAC/VDC
300 amperes at 32 VDC
10A
35 amperes at 125 VAC/50 amperes at 125 VDC
300 amperes at 32 VDC
12A – 15A
50 amperes at 65 VAC/VDC
300 amperes at 24 VDC
ENVIRONMENTAL SPECIFICATIONS:
Operating Temperature: –55°C to 125°C.
Shock: MIL-STD-202, Method 213, Test Condition I
(100 G’s peak for 6 milliseconds).
Vibration: MIL-STD-202, Method 201 (10–55 Hz).
Salt Spray: MIL-STD-202, Method 101, Test Condition B.
Insulation Resistance (After Opening): MIL-STD-202, Method
302, Test Condition A, (10,000 ohms minimum).
Resistance to Soldering Heat: MIL-STD-202,
Method 210, Test Condition B (10 sec. at 260°C).
Thermal Shock: MIL-STD-202, Method 107,
Test Condition B (–65 to 125°C).
Moisture Resistance: MIL-STD-202, Method 106, High Humidity
(90-98 RH), Heat (65°C).
ORDERING INFORMATION:
F
7 A
6.86
(.270")
3.15
(.124")
2.95
(.116")
1.96
(.077")
2.69
(.106")
2.69
(.106")
1.45
(.057")
6.10
(.240")
Recommended pad layout
Nominal
Ampere
Voltage
Resistance Melting I
2t
Catalog #
Rating
Cold Ohms
A
2 Sec.
0448.062
0.062
125
5.50
0.00023
0448.080
0.080
125
4.42
0.00043
0448.100
0.100
125
2.90
0.00082
0448.125
0.125
125
2.58
0.00130
0448.160
0.160
125
1.76
0.00280
0448.200
0.200
125
1.40
0.00380
0448.250
0.250
125
1.05
0.01520
0448.315
0.315
125
0.7900
0.0265
0448.375
0.375
125
0.7300
0.0240
0448.400
0.400
125
0.4895
0.0416
0448.500
0.500
125
0.3800
0.1000
0448.630
0.630
125
0.2821
0.121
0448.750
0.750
125
0.2475
0.206
0448.800
0.800
125
0.1907
0.272
0448 001.
1.0
125
0.08630
0.441
0448 1.25
1.25
125
0.06619
0.900
0448 01.5
1.5
125
0.06514
0.900
0448 01.6
1.6
125
0.06261
1.122
0448 002.
2.0
125
0.03529
0.812
0448 02.5
2.5
125
0.02934
1.156
0448 003.
3.0
125
0.02445
1.720
0448 3.15
3.15
125
0.02300
1.810
0448 03.5
3.5
125
0.02100
2.300
0448 004.
4
125
0.01577
3.970
0448 005.
5
125
0.01531
4.490
0448 06.3
6.3
125
0.01044
12.10
0448 007.
7
125
0.00900
13.92
0448 008.
8
125
0.00780
18.33
0448 010.
10
125
0.00700
28.00
0448 012.
12
65
0.00533
47.59
0448 015.
15
65
0.00394
96.10
RoHS
PHYSICAL SPECIFICATIONS:
Materials: Body: Ceramic, blue ink used for device marking
Terminations: Gold over nickel plated brass caps
Soldering Parameters(see page 3 for typical soldering profile):
Wave Solder — 260°C, 10 seconds maximum
Reflow Solder — 260°C, 30 seconds maximum
Solderability: MIL-STD-202, Method 208.
PACKAGING SPECIFICATIONS: 12mm Tape and Reel per
EIA-RS481-1 (IEC 286, part3); 1,000 pieces per reel, add packaging
suffix, MR; 5,000 per reel, add packaging suffix NR.
PATENTED
Pb
0.001
0.01
0.1
1
10
100
0
1
0
1
0
1
.
0
CURRENT IN AMPS
TI
M
E
IN
S
E
CONDS
8A
7A
6.
3A
5A
4A
3.
15A
2.
5A
2A
1.
6A
1.
5A
1.
25A
1A
.750A
.800
.630
.500A
.400
.375A
.315A
.250A
.200A
.160
.12
5A
.100
.0
80
.062
15A
12A
10
A
3.
5A
3
Average Time Current Curves
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