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04371.75WR

更新时间： 2024-11-27 12:51:35
品牌 Logo 应用领域
力特 - LITTELFUSE 电熔丝电路保护
页数 文件大小 规格书
3页 535K
描述
Surface Mount Fuses Ceramic Fuse > 437 Series

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04371.75WR 技术参数

是否Rohs认证：符合生命周期：Active
包装说明：HALOGEN FREE AND ROHS COMPLIANTReach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8536.10.00.40
风险等级：1.6Is Samacsys：N
熔断特性：FAST主体宽度：1.63 mm
主体高度：0.82 mm主体长度或直径：3.2 mm
电路保护类型：ELECTRIC FUSE保险丝尺寸：1206
JESD-609代码：e2焦耳积分标称：
安装特点：SURFACE MOUNT最高工作温度：150 °C
最低工作温度：-55 °C包装方法：TAPE AND REEL
物理尺寸：3.2mm x 1.63mm x 0.82mm预放电的额定值：0.075 A2/s
额定分断能力：50 A额定电流：1.75 A
额定电压：63 V额定电压（交流）：63 V
额定电压（直流）：63 V参考标准：CSA; UL
表面贴装：YES端子面层：Silver/Nickel/Tin (Ag/Ni/Sn)
端子形状：WRAPAROUND断开时间或延迟：1 s
Base Number Matches：1

04371.75WR 数据手册

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Surface Mount Fuses  
Ceramic Fuse > 437 Series  
437 Series – 1206 Fast-Acting Fuse  
Description  
This 100% Lead-free, RoHS compliant and Halogen-free  
fuse series has been designed specifically to provide over  
current protection to circuits that see high working ambient  
temperatures (up to 150ºC).  
The general design ensures excellent temperature stability  
and performance reliability.  
In addition to this, the high I²t values typical of the  
Littelfuse Ceramic Fuse family ensure high inrush current  
withstand capability.  
Features  
Agency Approvals  
•ꢀ OperatingꢀTemperatureꢀ •ꢀ Suitableꢀforꢀbothꢀleadedꢀ  
Agency  
Agency File number  
Ampere rAnge  
0.250A ~ 8A  
from -55ºC to +150ºC  
and lead-free reflow /  
wave soldering  
e10480  
•ꢀ 100%ꢀLead-freeꢀandꢀ  
RoHS compliant  
lr29862  
0.250A ~ 8A  
Applications  
Electrical Characteristics for Series  
•ꢀ AutomotiveꢀElectronics  
•ꢀ LCDꢀDisplays  
•ꢀ Servers  
•ꢀ Printers  
•ꢀ Scanners  
•ꢀ DataꢀModems  
% of Aꢀꢁꢂꢃꢂ  
Aꢀꢁꢂꢃꢂ ratꢄꢅꢆ  
OꢁꢂꢅꢄꢅꢆTꢄꢀꢂ at 25ºc  
ratꢄꢅꢆ  
100%  
250%  
350%  
350%  
250mA - 8A  
750mA - 8A  
4 hours, Minimum  
5 seconds, Maximum  
5 seconds, Maximum  
1 second, Maximum  
250mA -500mA  
750mA - 8A  
Electrical Specifications by Item  
Aꢆꢂꢅꢉꢊ Aꢁꢁꢃovaꢇs  
Aꢀꢁꢂꢃꢂ  
ratꢄꢅꢆ  
(A)  
max.  
Voꢇtaꢆꢂ  
ratꢄꢅꢆ (V)  
noꢀꢄꢅaꢇ  
noꢀꢄꢅaꢇ noꢀꢄꢅaꢇ Voꢇtaꢆꢂ noꢀꢄꢅaꢇ powꢂꢃ  
Aꢀꢁ  
codꢂ  
iꢅtꢂꢃꢃꢈꢁtꢄꢅꢆ ratꢄꢅꢆ  
rꢂsꢄstaꢅꢉꢂ mꢂꢇtꢄꢅꢆ i2t Dꢃoꢁ At ratꢂd  
Dꢄssꢄꢁatꢄoꢅ At  
(Ohꢀs)2  
(A2Sꢂꢉ.)3  
cꢈꢃꢃꢂꢅt (V)4  
ratꢂd cꢈꢃꢃꢂꢅt (W)  
250mA .250  
375mA .375  
500mA .500  
750mA .750  
125  
125  
63  
63  
63  
63  
63  
63  
63  
32  
32  
32  
32  
32  
32  
32  
2.290  
1.330  
0.908  
0.665  
0.360  
0.318  
0.209  
0.0703  
0.058  
0.043  
0.033  
0.027  
0.022  
0.016  
0.010  
0.0084  
0.003  
0.010  
0.018  
0.064  
0.100  
0.256  
0.324  
0.075  
0.144  
0.225  
0.400  
0.576  
1.024  
1.936  
4.900  
6.400  
0.78  
0.60  
0.52  
0.45  
0.41  
0.40  
0.39  
0.27  
0.17  
0.14  
0.15  
0.16  
0.16  
0.09  
0.11  
0.067  
0.195  
0.225  
0.260  
0.335  
0.415  
0.496  
0.579  
0.474  
0.345  
0.363  
0.462  
0.560  
0.618  
0.484  
0.760  
0.539  
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 @ 125 V AC/DC  
1A  
1.25A  
1.5A  
1.75A  
2A  
001.  
1.25  
01.5  
1.75  
002.  
02.5  
003.  
03.5  
004.  
005.  
007.  
008.  
50 A @ 63 V AC/DC  
2.5A  
3A  
3.5A  
4A  
50 A @ 32 V AC/35 V DC  
5A  
7A  
8A  
Notes:  
1. AC Interrupting Rating tested at rated voltage with unity power factor. DC Interrupting  
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  
Rerating Curve”for additional rerating information.  
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 msecs. opening time.  
Devices designed to be mounted with marking code facing up.  
4. Nominal Voltage Drop measured at rated current after temperature has stabilized.  
© 2009 Littelfuse, Inc.  
437 Series  
17  
Revised: June 23, 2011  
Specifications are subject to change without notice.  
Please refer to www.littelfuse.com/series/437.html for current information.  
123

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