Specifications are subject to change without notice.
Revised: 06/14/18
Special Application Fuses
481 Series Alarm Indicating Fuse
Product Characteristics
Body: Polyphenylene Sulfide (UL 94VO)
Material
Terminations: Beryllium Copper/Tin Plated
Optional Lens: Nylon
Vibration
MIL-STD-202 Method 201
Operating Temperature
Thermal Shock
Insulation Resistance
(After Opening)
– 55
O
C to 125
O
C.
Withstands 5 cycles of – 55
O
C to
125
O
C
Greater than 10,000 ohms.
Dimensions
22.9
mm
(.90") MIN.
17.8
mm
(.70")
Average Time Current Curves
18/100 A
1/4 A
1/2 A
65/100 A
3/4 A
1A
1 1/3 A
2A
3A
4A
5A
7 1/2 A
10 A
12 A
15 A
20 A
1
10
100
CURRENT IN AMPERES
LENS
19.6
mm
(.77")
21.3
mm
(0.84")
REF.
1000
11.7
mm
(.46")
TIME IN SECONDS
100
16.9
mm
(.665") MAX.
(.109")
5.8
mm
(.23")
5.3
mm
(.21")
2.77
(.175")
4.45
(.110")
2.79
10
1-15A
20A*
*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.
1
0.1
Part Numbering System
0.01
0.1
1000
0481 .180 H XL M P
RoHS ITEM OPTION CODE:
Blank = Standard design item
P = RoHS compliant version item
(available in 2-20 Amp Range only)
AMPERAGE STAMPING MARK:
Blank = Standard design item
M = Front Side
ACCESSORY:
Blank = Standard design item
X = Filler
XL = Protective Lens
QUANTITY CODE:
V = 5 pack
H = 100 pack
AMP COLOR CODE:
(See Electrical Characteristics Table)
FUSE SERIES
Additional Information
1481001
Datasheet
Resources
Samples
Disclaimer Notice
-
Information furnished is believed to be accurate and reliable. However, users should independently evaluate the suitability of and test each
product selected for their own applications. Littelfuse products are not designed for, and may not be used in, all applications. Read complete Disclaimer Notice at:
2月22日消息，据国外媒体报道，包括美洲移动、Axiata Group Berhad、Bharti、中国移动、德国电信、韩国KT、MTS、Orange、Qtel Group、软银移动、意大利电信、西班牙电信、奥地利电信集团、挪威电信和沃达丰在内的许多全球主要运营商已经表示将支持NFC（近距离通讯）技术并且打算在2012年之前在有选择的市场推出商业性的NFC服务。
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嵌入式系统
