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0494.750NRHF PDF预览

0494.750NRHF

更新时间: 2024-10-30 19:55:59
品牌 Logo 应用领域
力特 - LITTELFUSE 电路保护
页数 文件大小 规格书
3页 1189K
描述
Electric Fuse, Fast Blow, 0.75A, 32VAC, 32VDC, 50A (IR), Surface Mount,

0494.750NRHF 技术参数

是否Rohs认证: 符合生命周期:Active
Reach Compliance Code:compliant风险等级:1.75
熔断特性:FAST主体宽度:0.813 mm
主体高度:0.305 mm主体长度或直径:1.6 mm
电路保护类型:ELECTRIC FUSE焦耳积分标称:
安装特点:SURFACE MOUNT最高工作温度:90 °C
最低工作温度:-55 °C包装方法:TR
物理尺寸:1.6mm x 0.813mm x 0.305mm预放电时间-分钟:200 ms
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):32 V
参考标准:CSA; UL表面贴装:YES
端子形状:WRAPAROUNDBase Number Matches:1

0494.750NRHF 数据手册

 浏览型号0494.750NRHF的Datasheet PDF文件第2页浏览型号0494.750NRHF的Datasheet PDF文件第3页 
Surface Mount Fuses  
Thin Film > 0603 Size > Fast-Acting > 494 Series  
RoHS Pb  
494 Series Fuse, NRA Special Series Integrated Circuit Protector  
®
Description  
Theꢀ494ꢀSeriesꢀFast-ActingꢀSMFꢀisꢀanꢀultraꢀsmallꢀ(0603ꢀ  
size)ꢀthin-filmꢀdeviceꢀdesignedꢀforꢀsecondaryꢀprotectionꢀ  
ofꢀcircuitsꢀusedꢀinꢀspaceꢀconstrainedꢀapplicationsꢀsuchꢀ  
asꢀhand-heldꢀportableꢀelectronicꢀdevices.Thisꢀseriesꢀisꢀ  
100%ꢀlead-freeꢀandꢀmeetsꢀtheꢀrequirementsꢀofꢀtheꢀRoHSꢀ  
directive.ꢀNewꢀHalide-Freeꢀ494ꢀSeriesꢀfusesꢀareꢀavailableꢀ  
toꢀorderꢀusingꢀtheꢀ“HF”ꢀsuffix.ꢀSeeꢀPartꢀNumberingꢀsectionꢀ  
forꢀadditionalꢀinformation.  
Features  
Agency Approvals  
•ꢀ Compatibleꢀwithꢀlead-  
freeꢀsoldersꢀandꢀhigherꢀ  
temperatureꢀprofiles  
•ꢀ Element-coveringꢀmaterialꢀ  
isꢀresistantꢀtoꢀindustryꢀ  
standardꢀcleaningꢀ  
Agency  
Agency File number  
Ampere rAnge  
250ꢀA - 5A  
operations  
•ꢀ Highꢀperformanceꢀ  
materialsꢀprovideꢀ  
e10480  
®
•ꢀ Mountingꢀpadꢀandꢀ  
improvedꢀperformanceꢀ  
inꢀelevatedꢀambientꢀ  
temperatureꢀapplications  
electricalꢀperformanceꢀareꢀ  
identicalꢀtoꢀLittelfuseꢀ431ꢀ  
andꢀ434ꢀSeriesꢀproducts  
lr29862  
250ꢀA - 5A  
Electrical Characteristics for Series  
•ꢀ Markedꢀonꢀtopꢀsurfaceꢀ  
•ꢀ Alloy-basedꢀelementꢀ  
withꢀcodeꢀtoꢀallowꢀampereꢀ constructionꢀprovidesꢀ  
% of Aꢀꢁꢂꢃꢂ  
OꢁꢂꢅꢄꢅTꢄꢀꢂ at 25Oc  
4ꢀhours,ꢀMinimum  
ratingꢀidentificationꢀ  
withoutꢀtesting  
superiorꢀinrushꢀwithstandꢀ  
characteristicsꢀ(I2t)ꢀoverꢀ  
ceramicꢀorꢀglass-basedꢀ  
0603ꢀfuseꢀproducts  
ratꢄꢅꢆ  
100%  
•ꢀ Lowꢀprofileꢀforꢀheightꢀ  
sensitiveꢀapplications  
200%  
300%  
ꢀꢀꢀ5ꢀsec.,ꢀMaximum  
0.2ꢀsec.,ꢀMaximum  
•ꢀ Flatꢀtopꢀsurfaceꢀforꢀpick-  
and-placeꢀoperations  
Additional Information  
Applications  
Secondaryꢀprotectionꢀforꢀspaceꢀconstrainedꢀapplications:  
•ꢀ Cellꢀphones  
•ꢀ Digitalꢀcameras  
•ꢀ DVDꢀplayers  
•ꢀ Hardꢀdiskꢀ  
drives  
Datasheet  
Resources  
Samples  
•ꢀ Batteryꢀpacks  
Electrical Specifications by Item  
max  
noꢀ  
noꢀ  
powꢂꢃ  
Dꢄssꢄꢁatꢄoꢅ  
(W)  
Aꢆꢂꢅꢉꢊ Aꢁꢁꢃovaꢇs  
Aꢀꢁꢂꢃꢂ  
ratꢄꢅꢆ  
(A)  
noꢀꢄꢅaꢇ coꢇd  
rꢂsꢄstaꢅꢉꢂ  
(Ohꢀs)  
noꢀꢄꢅaꢇ  
mꢂꢇtꢄꢅꢆ  
Aꢀꢁ  
codꢂ  
Voꢇtaꢆꢂ  
ratꢄꢅꢆ  
(V)  
iꢅtꢂꢃꢃꢈꢁtꢄꢅꢆ  
Voꢇtaꢆꢂ  
Dꢃoꢁ  
ratꢄꢅꢆ  
i2t (A2sꢂꢉ)  
®
(ꢀV)  
0.250ꢀ  
0.375ꢀ  
0.500ꢀ  
0.750ꢀ  
1. 0 0  
.250ꢀ  
.375ꢀ  
.500ꢀ  
.750ꢀ  
0 01. ꢀ  
1.25ꢀ  
01. 4  
01.5ꢀ  
1.75ꢀ  
002.ꢀ  
02.5ꢀ  
003.ꢀ  
3.15  
32ꢀ  
32ꢀ  
32ꢀ  
32ꢀ  
32ꢀ  
32ꢀ  
32  
32ꢀ  
32ꢀ  
32ꢀ  
32ꢀ  
32ꢀ  
32  
0.5450  
0.2900  
0.1870  
0.1170  
0.0710  
0.0530  
0.049  
0.0410  
0.0320  
0.0300  
0.0220  
0.0180  
0.017  
0.0030ꢀ  
0.0053ꢀ  
0.0087ꢀ  
0.0171ꢀ  
0.0212ꢀ  
0.0518ꢀ  
0.05529  
0.0766ꢀ  
0.0903ꢀ  
0.1103ꢀ  
0.1440ꢀ  
0.2403ꢀ  
0.27405  
0.4306ꢀ  
0.5760ꢀ  
0.9000ꢀ  
158.56  
128.03  
115.71  
107.33  
89.10  
84.32  
74.84  
81.14  
78.75  
78.22  
76.10  
75.04  
63.78  
74.25  
73.72  
72.71  
0.0396  
0.0480  
0.0579  
0.0805  
0.0891  
0.1054  
0.1048  
0.1217  
0.1378  
0.1564  
0.1903  
0.2251  
0.2009  
0.2599  
0.2949  
0.3635  
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
50Aꢀ@32VꢀAC/DC  
1.25ꢀ  
1.40  
1.50ꢀ  
1.75ꢀ  
2.00ꢀ  
2.50ꢀ  
3.00ꢀ  
3.15  
3.50ꢀ  
4.00ꢀ  
5.00ꢀ  
35Aꢀ@32VꢀAC/DC  
03.5ꢀ  
004.ꢀ  
005.ꢀ  
32ꢀ  
32ꢀ  
32ꢀ  
0.0150  
0.0130  
0.0090ꢀ  
1. Measured at 10% of rated current, 25ºC.  
2. Measured at rated voltage.  
© 2014 Littelfuse, Inc.  
Specifications are subject to change without notice.  
Revised: 10/25/14  

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