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參數資料
| 型號： | 0481.750V |
| 元件分類： | 保險絲 |
| 英文描述： | ELECTRIC FUSE, 0.75A, 125VAC, 125VDC, 300A (IR), INLINE/HOLDER |
| 文件頁數： | 1/2頁 |
| 文件大小： | 106K |
| 代理商： | 0481.750V |
Revised: January 7, 2009
345
2009 Littelfuse, Inc.
Specications are subject to change without notice.
Special Application Fuses
Alarm Indicating Fuse 481 Series
481 Series Alarm Indicating Fuse
Please refer to www.littelfuse.com/series/481.html for current information.
481
Series
481 Series Alarm Indicating Fuse
Description
Agency Approvals
Agency
Agency File Number
E71611
LR 29862
Electrical Characteristics
Features
ags indicate ampere
rating.
option available for
additional safety.
black plolyphenylene
sulde with UL-94V0
ammability rating.
bright alloy-plated
beryillioum copper.
Applications
% of Ampere
Rating
OpeningTime
100%
10 Minutes, Minimum
150%
5 Minutes, Maximum
Electrical Characteristics
* 0.180A thru 1.5A items are not available for sale as a RoHS compliant “P” option
**20A Fuseholder must be used. Fuse is keyed to prevent insertion in lower rated holders.
20A Fuseholder is designed to accept all ratings up to 20 amperes.
Ampere
Rating
(A)
Amp
Code
Max
Voltage
Rating
(V)
Interrupting
Rating
Body
Color
Code
Nominal
Cold Resistance
(Ohms)
Nominal Melting
I2t (A2 Sec.)
Agency
Approvals
0.180*
.180
125 VAC
&
125 VDC
450A @ 60 VDC
300A @ 125 VAC
(up to 20A)
300A @ 125 VDC
(up to 15A)
200A @ 125 VDC
(up to 20A)
Yellow
6.25
0.00808
x
0.200*
.200
Red/Black
5.70
0.0140
x
0.250*
.250
Violet
4.20
0.0356
x
0.375*
.375
Gray/White
2.00
0.028
x
0.500*
.500
Red
1.52
0.139
x
0.650*
.650
Black
1.25
0.278
x
0.750*
.750
Brown
.980
0.363
x
1.00*
001.
Gray
.665
0.733
x
1.33*
1.33
White
.480
1.58
x
1.50*
01.5
Yellow/White
.385
2.55
x
2.00
002.
Orange
.120
5.29
x
2.50
02.5
Orange/White
.0904
9.46
x
3.00
003.
Blue
.0670
11.2
x
3.50
03.5
Blue/White
.0415
10.5
x
4.00
004.
Brown/White
.0350
15.4
x
5.00
005.
Green
.0285
26.2
x
7.50
07.5
Black/White
.0113
42.8
x
10.0
010.
Red/White
.00840
115.3
x
12.0
012.
Green/Yellow
.00660
222.5
x
15.0
015.
Red/Blue
.00580
294.22
x
20.0**
020.
Green/White
.00394
570.0
x
Ideal for telecommunications and control panel circuits
481 Series alarm indicating fuses are designed to reduce
down time by immediately pinpointing the blown (open)
circuit while triggering an LED or audio alarm. This item
requires 482 Series mating fuse holder.
All ranges of 481 Series fuses are available as our original
design, and the 2-20 amp range is now available as a RoHS
compliant option (use the “P” designator when ordering).
See the part numbering section of this data sheet for related
ordering instructions.
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