欢迎访问ic37.com |
会员登录 免费注册
发布采购

04401.75WR 参数 Datasheet PDF下载

04401.75WR图片预览
型号: 04401.75WR
PDF下载: 下载PDF文件 查看货源
内容描述: 表面贴装保险丝陶瓷保险丝\u003e 440系列 [Surface Mount Fuses Ceramic Fuse > 440 Series]
分类和应用: 电熔丝电路保护
文件页数/大小: 3 页 / 676 K
品牌: LITTELFUSE [ LITTELFUSE ]
 浏览型号04401.75WR的Datasheet PDF文件第2页浏览型号04401.75WR的Datasheet PDF文件第3页  
Surface Mount Fuses
Ceramic Fuse > 440 Series
440 Series,
1206 High I
2
t Fuse
Description
The 440 Series is a 100% Lead-free, RoHS compliant and
Halogen-free fuse series designed specifically to provide
over-current protection to circuits that operate under high
working ambient temperatures up to 150ºC and high inrush
currents.
The general design ensures excellent temperature stability
and performance reliability.
Agency Approvals
Agency
Agency File number
e10480
lr 29862
Ampere rAnge
.25A - 8A
.25A - 8A
Features
• Operating Temperature
from -55ºC to +150ºC
• 100% Lead-free, RoHS
compliant and Halogen-
free
Applications
• Automotive Electronics
• Printers
• Scanners
• Data Modems
• Hard Disk Drives
• LCD Displays
• Servers
• Notebook Computers
• Suitable for both leaded
and lead-free reflow /
wave soldering
• Ultra high I
2
t values
Electrical Characteristics for Series
% of Ampere
rating
100%
350%
Ampere rating
0.25A - 8A
0.25A - 8A
Opening Time at 25ºc
4 hours, Minimum
5 secs., Maximum
Electrical Specifications by Item
Ampere
rating
(A)
0.25
0.375
0.5
0.75
1
1.25
1.5
1.75
2
2.5
3
3.5
4
5
7
8
Amp
code
.250
.375
.500
.750
001.
1.25
01.5
1.75
002.
02.5
003.
03.5
004.
005.
007
.
008.
max.
Voltage
rating (V)
125
125
63
63
50
50
50
32
32
32
32
32
32
32
32
32
nominal
nominal nominal Voltage nominal power Agency Approvals
interrupting rating
resistance melting i
2
t
Drop At rated
Dissipation At
(Ac/Dc)
1
(Ohms)
2
(A
2
Sec.)
3
current (V)
4
rated current (W)
50 A @ 125 V AC/DC
50 A @ 63 V AC/DC
50 A @ 63 V AC/DC
50 A @ 50 V DC
50 A @ 50 V AC
2.140
1.216
0.8140
0.4624
0.3096
0.2268
0.1759
0.04518
0.03802
0.02850
0.02252
0.01845
0.01553
0.01164
0.00753
0.00634
0.00649
0.01455
0.02642
0.09312
0.21054
0.40200
0.50652
0.3312
0.4326
0.8191
1.232
1.789
2.601
4.761
8.464
12.95
0.5260
0.4993
0.4831
0.3983
0.3457
0.3240
0.3215
0.0777
0.0792
0.0747
0.0742
0.0757
0.0709
0.0654
0.0696
0.0655
0.132
0.187
0.242
0.299
0.346
0.405
0.482
0.136
0.158
0.187
0.223
0.265
0.284
0.327
0.487
0.524
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
50 A @ 32 V AC/DC
Notes:
1. AC Interrupting Rating tested at rated voltage with unity power factor. DC Interrupting
Rating tested at rated voltage with time constant < 0.8 msec.
2. Nominal Resistance measured with < 10% rated current.
3. Nominal Melting I²t measured at 1 msec. opening time.
4. Nominal Voltage Drop measured at rated current after temperature has stabilized.
© 2009 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/440.html for current information.
1
Devices designed to carry rated current for 4 hours minimum. It is recommended that
devices be operated continuously at no more than 80% rated current. See “Temperature
Derating Curve”for additional derating information.
Devices designed to be mounted with marking code facing up.
440 Series
Revised: June 23, 2011
440 Series
This high I
2
t fuse series is designed to have ultra high
inrush current withstand capability to avoid nuisance fuse
open.