參數(shù)資料
型號： R451.200
廠商： Littelfuse, Inc.
元件分類： 保險絲
英文描述： NANO2 FUSE Very Fast-Acting 451/453 Series
中文描述： 亞硝酸鈉保險絲非常快速代理四百五十三分之四百五十一系列
文件頁數(shù)： 1/1頁
文件大?。?/td> 102K
代理商： R451.200
268
Surface Mount Fuses
Subminiature Surface Mount
www.littelfuse.com
NANO
2
FUSE
Very Fast-Acting 451/453 Series
The Nano
2
SMF
Fuse is a very small, square surface mount fuse that is
also available in a surface mount holder.
ELECTRICAL CHARACTERISTICS:
% of Ampere
Ampere
Rating
Rating
100%
1/16
–
15
1/16
–
10
12
–
15
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).
Opening
Time
4 hours,
Min
imum
5 seconds,
Max
imum
20 seconds,
Max
imum
200%
100
10
1
0.1
0.01
0.001
1
1
1
3
1
3
1
1
2
2
3
3
4
5
7
1
1
1
0.05 0.1
1
10
100
1000
T
CURRENT IN AMPERES
Average Time Current Curves
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
Tin-Lead
Plated
Catalog #
–
–
–
–
R451
.160
R451
.200
R451
.250
R451
.315
R451
.375
R451
.400
R451
.500
R451
.630
R451
.750
R451
.800
R451
001.
R451
1.25
R451
01.5
R451
01.6
R451
002.
R451
02.5
R451
003.
R451
3.15
R451
03.5
R451
004.
R451
005.
R451
06.3
R451
007.
R451
008.
R451
010.
R451
012.
R451
015.
Refer to pg. 271 for SMF Omni-Blok
Holder, Series
154
000.
Silver
Plated
Catalog #
R451
.062
R451
.080
R451
.100
R451
.125
0453
.160
0453
.200
0453
.250
0453
.315
0453
.375
0453
.400
0453
.500
0453
.630
0453
.750
0453
.800
0453
001.
0453
1.25
0453
01.5
0453
01.6
0453
002.
0453
02.5
0453
003.
0453
3.15
0453
03.5
0453
004.
0453
005.
0453
06.3
0453
007.
0453
008.
0453
010.
0453
012.
0453
015.
Nominal
Resistance
Cold Ohms
5.50
4.05
3.10
1.70
1.80
1.40
1.05
0.78
0.610
0.560
0.420
0.305
0.245
0.212
0.153
0.0780
0.0630
0.0580
0.0367
0.0286
0.0227
0.0215
0.0200
0.0160
0.0125
0.0096
0.0090
0.0077
0.0056
0.0049
0.0037
Nominal
Melting I
2
t
A
2
Sec.
0.00019
0.00033
0.00138
0.00286
0.00306
0.00652
0.01126
0.0231
0.0425
0.0484
0.0795
0.143
0.185
0.271
0.459
0.664
0.853
1.060
0.530
1.029
1.650
1.920
2.469
3.152
5.566
9.17
10.32
20.23
26.46
47.97
97.82
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
1.0
1.25
1.5
1.6
2.0
2.5
3.0
3.15
3.5
4
5
6.3
7
8
10
12
15
Voltage
Rating
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
65
65
PHYSICAL SPECIFICATIONS:
Materials:
Body: Ceramic
Terminations:Tin-Lead Alloy or Silver Plated Caps.
Soldering Parameters:
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, part 3); 1,000 per reel, add packaging suffix, MR;
5,000 per reel, add packaging suffix NR.
PATENTED
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