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0438004.A

更新时间： 2024-11-28 14:56:59
品牌 Logo 应用领域
力特 - LITTELFUSE 电子测试电路保护
页数 文件大小 规格书
3页 456K
描述
438A系列符合AEC-Q200标准的保险丝经过特别测试，满足紧凑型汽车电子应用的次级电路保护需求。? 功能与特色: 应用: 中文字幕 - 日文字幕

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0438004.A 数据手册

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Surface Mount Fuses Datasheet  
438A Series  
AEC-Q200 Qualified > Ceramic Fuse  
RoHS Pb  
Description  
The 438A series AEC-Q200 Qualified 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 & Benefits  
■ OperatingTemperature from  
■ Conforms to EN 60127-1 and  
-55ºC to +150ºC  
EN 60127-7  
■ 100% Lead-free, RoHS  
compliant and Halogen-free  
■ CE Mark indicates suitability  
for the European Market  
■ Suitable for both leaded and  
■ UKCA Mark indicates suitability  
lead-free reflow/wave soldering for the UK Market  
Additional Information  
■ Recognized to UL/CSA/NMX  
248-1 and UL/CSA/NMX 248-  
14  
■ AEC-Q200 Qualified  
Applications  
■ Li-ion Battery  
Resources  
Accessories  
Samples  
■ TFT Display  
■ LED Head-Lights  
■ Battery Management System  
(BMS)  
Agency Approvals  
■ Automotive Navigation  
System  
■ Clusters  
Agency  
Agency File Number  
Ampere Range  
E10480  
29862  
J50489122  
N/A  
0.25A – 6A  
0.25A – 6A  
0.25A – 6A  
0.25A – 6A  
0.25A – 6A  
Electrical Characteristics for Series  
% of Ampere Rating Ampere Rating  
OpeningTime at 25ºC  
100%  
250%  
0.250A – 6A  
0.250A – 6A  
4 Hours, Minimum  
N/A  
5 Seconds, Maximum  
Electrical Specifications by Item  
Ampere  
Rating  
(A)  
Max.  
Voltage  
Rating (V)  
Nominal  
Nominal NominalVoltage Nominal Power  
Agency Approvals  
Amp  
Code  
Interrupting Rating  
(AC/DC)1  
Resistance Melting I2t Drop At Rated  
Dissipation At  
Rated Current (W)  
(Ohms)2  
2.218  
1.247  
0.829  
0.466  
0.310  
0.200  
(A2Sec.)3  
0.0017  
0.0041  
0.0100  
0.0281  
0.0593  
0.0510  
0.1440  
0.181  
0.240  
0.439  
0.647  
0.730  
Current (V)4  
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  
0.25 .250 63VDC  
0.375 .375 63VDC  
0.5  
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
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
x
x
x
x
x
x
x
x
x
x
.500 63VDC  
50A @ 63VDC  
50A @ 32VAC  
0.75 .750 63VDC  
1
1.25  
1.75  
2
2.5  
3
3.5  
4
5
001. 63VDC  
1.25 63VDC  
1.75 32VDC 50A@32VAC/32VDC 0.1405  
002.  
02.5  
003.  
03.5  
004.  
005.  
006.  
32  
32  
32  
32  
32  
32  
24  
0.0490  
0.0364  
0.0264  
0.0210  
0.0177  
0.0127  
50A @ 32VDC/12VAC  
0.747  
6
50A @ 24VDC/12VAC 0.0086  
1.444  
0.072  
Notes:  
4. Nominal Voltage Drop measured at rated current after temperature has stabilized.  
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 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.  
3. Nominal Melting I²t measured at 1 msec. opening time.  
Devices designed to be mounted with marking code facing up.  
© 2023 Littelfuse, Inc.  
Specifications are subject to change without notice.  
Revised: GD. 07/18/23  
6
123

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