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0438.750WRA PDF预览

0438.750WRA

更新时间: 2024-10-30 19:29:55
品牌 Logo 应用领域
力特 - LITTELFUSE 电路保护
页数 文件大小 规格书
4页 567K
描述
Electric Fuse, Fast Blow, 0.75A, 32VAC, 63VDC, 50A (IR), Surface Mount,

0438.750WRA 技术参数

是否Rohs认证: 符合生命周期:Active
Reach Compliance Code:unknown风险等级:1.71
其他特性:PRE ARCING TIME: OPEN WITHIN 5 SEC AT 250% RATED CURRENT熔断特性:FAST
主体宽度:0.85 mm主体高度:0.51 mm
主体长度或直径:1.58 mm电路保护类型:ELECTRIC FUSE
JESD-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:TR
物理尺寸:1.58mm x 0.85mm x 0.51mm额定分断能力:50 A
额定电流:0.75 A额定电压(交流):32 V
额定电压(直流):63 V参考标准:AEC-Q200; CSA; CUL; UL
表面贴装:YES端子面层:Tin (Sn) - with Nickel (Ni) barrier
端子形状:WRAPAROUNDBase Number Matches:1

0438.750WRA 数据手册

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Surface Mount Fuses  
Ceramic Fuse > 438A Series  
RoHS Pb  
438A Series – 0603 Fast-Acting Fuse  
Description  
The 438A series AECQ-compliant fuses are specifically  
tested to cater secondary circuit protection needs of  
compact auto electronics application.  
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  
• OperatingTemperature  
from -55ºC to +150ºC  
• Suitable for both leaded  
and lead-free reflow/wave  
soldering  
Agency Approvals  
• 100% Lead-free, RoHS  
compliant and Halogen-  
free  
• Meets Littelfuse's  
Automotive qualifications*  
AGENCY  
AGENCY FILE NUMBER  
E10480  
AMPERE RANGE  
0.250A – 6A  
* Largely based on Littelfuse internal AECQ-200 test plan.  
29862  
0.250A – 6A  
Applications  
• Li-ion Battery  
• TFT Display  
Electrical Characteristics for Series  
• LED Head-Lights  
• Battery Management  
System (BMS)  
% of Ampere  
• Automotive Navigation  
System  
Ampere Rating  
OpeningTime at 25ºC  
Rating  
100%  
250%  
• Clusters  
0.250A – 6A  
0.250A – 6A  
4 Hours, Minimum  
Additional Information  
5 Seconds, Maximum  
ꢀatasꢁeet  
ꢀesources  
Saꢀꢁꢂes  
Electrical Specifications by Item  
Agency Approvals  
Ampere  
Rating  
(A)  
Max.  
Nominal  
Nominal Nominal Voltage Nominal Power  
Amp  
Code  
Interrupting Rating  
Voltage  
Resistance Melting I2t  
Drop At Rated  
Dissipation At  
(AC/DC)1  
Rating (V)  
(Ohms)2  
(A2Sec.)3  
Current (V)4  
Rated Current (W)  
0.25  
0.375  
0.5  
0.75  
1
1.25  
1.75  
2
2.5  
3
.250  
.375  
.500  
.750  
001.  
1.25  
1.75  
002.  
02.5  
003.  
03.5  
004.  
005.  
006.  
63VDC  
63VDC  
63VDC  
63VDC  
63VDC  
63VDC  
32VDC  
32  
32  
32  
32  
32  
32  
24  
2.218  
1.247  
0.829  
0.466  
0.310  
0.200  
1.405  
0.0490  
0.0364  
0.0264  
0.0210  
0.0177  
0.0127  
0.0086  
0.0017  
0.0041  
0.0100  
0.0281  
0.0593  
0.0510  
0.1440  
0.181  
0.240  
0.439  
0.647  
0.730  
0.747  
1.444  
0.550  
0.488  
0.486  
0.378  
0.351  
0.365  
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  
0.540  
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
50A @ 63VDC  
50A @ 32VAC  
50A@32VAC/32VDC  
50A @ 32VDC/12VAC  
50A @ 24VDC/12VAC  
3.5  
4
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  
Re-rating Curve”for additional re-rating 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.  
© 2017 Littelfuse, Inc.  
Specifications are subject to change without notice. Application testing is strongly recommended.  
Revised: 12/06/17  

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