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04381.25WR PDF预览

04381.25WR

更新时间： 2024-11-24 12:51:35
品牌 Logo 应用领域
力特 - LITTELFUSE /
页数 文件大小 规格书
3页 705K
描述
Surface Mount Fuses Ceramic Fuse > 438 Series

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04381.25WR 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：5.62熔断特性：FAST
主体宽度：0.85 mm主体高度：0.5 mm
主体长度或直径：1.54 mm电路保护类型：ELECTRIC FUSE
保险丝尺寸：0603JESD-609代码：e3
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：1.54mm x 0.85mm x 0.5mm
预放电的额定值：0.051 A2/s额定分断能力：50 A
额定电流：1.25 A额定电压：63 V
额定电压（直流）：32 V参考标准：CSA; UL
电阻：0.2 Ω表面贴装：YES
端子面层：Tin (Sn) - with Nickel (Ni) barrier端子形状：WRAPAROUND
断开时间或延迟：14400 sBase Number Matches：1

04381.25WR 数据手册

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Surface Mount Fuses  
Ceramic Fuse > 438 Series  
438 Series – 0603 Fast-Acting Fuse  
Description  
The 438 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 temperature up to 150ºC.  
The general design ensures excellent temperature stability  
and performance reliability.  
The high I²t values which is typical in the Littelfuse  
Ceramic Fuse family ensure high inrush current withstand  
capability.  
Features  
Agency Approvals  
•ꢀ OperatingꢀTemperatureꢀ •ꢀ Suitableꢀforꢀbothꢀleadedꢀ  
AGENCY  
AGENCY FILE NUMBER  
AMPERE RANGE  
0.250A – 6A  
from -55ºC to +150ºC  
and lead-free reflow /  
wave soldering  
E10480  
•ꢀ 100%ꢀLead-free,ꢀRoHSꢀ  
compliant and Halogen-  
free  
LR29862  
0.250A – 6A  
Applications  
•ꢀ HandheldꢀElectronics  
•ꢀ LCDꢀDisplays  
•ꢀ HardꢀDiskꢀDrives  
Electrical Characteristics for Series  
•ꢀ SDꢀMemoryꢀCards  
•ꢀ AutomotiveꢀElectronics  
% of Ampere  
Ampere Rating  
Opening Time at 25ºC  
•ꢀ BatteryꢀPacks  
Rating  
100%  
250%  
0.250A – 6A  
0.250A – 6A  
4 Hours, Minimum  
5 Seconds, Maximum  
Electrical Specifications by Item  
Agency Approvals  
Ampere  
Rating  
(A)  
Max.  
Nominal  
Nominal Nominal Voltage Nominal Power  
Amp  
Code  
Voltage  
Interrupting Rating Resistance Melting I2t  
Drop At Rated  
Dissipation At  
Rating (V)  
(Ohms)2  
(A2Sec.)3  
Current (V)4  
Rated Current (W)  
0.25  
0.375  
0.5  
0.75  
1
1.25  
1.5  
1.75  
2
2.5  
3
3.5  
4
.250  
.375  
.500  
.750  
001.  
1.25  
01.5  
1.75  
002.  
02.5  
003.  
03.5  
004.  
005.  
006.  
63  
63  
63  
63  
63  
63  
63  
63  
32  
32  
32  
32  
32  
32  
24  
2.024  
1.247  
0.829  
0.466  
0.310  
0.200  
0.174  
0.125  
0.051  
0.0324  
0.0252  
0.0203  
0.0169  
0.0113  
0.0087  
0.0017  
0.0041  
0.0100  
0.0281  
0.0593  
0.0510  
0.0902  
0.1440  
0.1490  
0.1977  
0.2922  
0.4752  
0.6920  
0.7398  
1.3838  
0.550  
0.488  
0.486  
0.378  
0.351  
0.365  
0.368  
0.360  
0.107  
0.095  
0.093  
0.082  
0.079  
0.074  
0.072  
0.138  
0.183  
0.243  
0.284  
0.351  
0.456  
0.552  
0.540  
0.214  
0.238  
0.279  
0.287  
0.316  
0.370  
0.432  
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
50A @ 63VDC  
50A @ 32VAC  
50A @ 32VDC/12VAC  
50A @ 24VDC/12VAC  
5
6
Notes:  
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.  
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.  
Devices designed to be mounted with marking code facing up.  
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.  
438 Series  
1
Specifications are subject to change without notice.  
Please refer to www.littelfuse.com/series/438.html for current information.  
Revised: February 15, 2012  
123

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