046802.5NRHF [LITTELFUSE]
Surface Mount Fuses Thin Film > 1206 Size > Slo-Blo® > 468 Series; 表面贴装保险丝薄膜\u003e 1206尺寸\u003e SLO- Blo® \u003e 468系列
| 型号： | 046802.5NRHF |
| 厂家： | 
LITTELFUSE |
| 描述： | Surface Mount Fuses Thin Film > 1206 Size > Slo-Blo® > 468 Series |
| 文件： | 总3页 (文件大小：755K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Surface Mount Fuses
Thin Film > 1206 Size > Slo-Blo > 468 Series
®
468 Series Fuse
Description
Theꢀ468ꢀSeriesꢀTime-Lagꢀ(Slo-Blo®)ꢀSMFꢀisꢀaꢀsmallꢀ(1206ꢀ
size)ꢀthin-filmꢀdeviceꢀdesignedꢀforꢀsecondaryꢀprotectionꢀ
ofꢀcircuitsꢀusedꢀinꢀspaceꢀconstrainedꢀapplicationsꢀsuchꢀasꢀ
hand-heldꢀportableꢀelectronicꢀdevices.ꢀ
Thisꢀseriesꢀisꢀ100%ꢀlead-freeꢀandꢀmeetsꢀtheꢀrequirementsꢀ
ofꢀtheꢀRoHSꢀdirective.ꢀNewꢀHalogen-Freeꢀ468ꢀSeriesꢀ
fusesꢀareꢀavailable–toꢀorderꢀuseꢀtheꢀ“HF”ꢀsuffix.ꢀSeeꢀPartꢀ
Numberingꢀsectionꢀforꢀadditionalꢀinformation.
Features
•ꢀ Compliesꢀwithꢀ
electronicꢀindustryꢀ
environmentalꢀstandardsꢀ
forꢀleadꢀreduction.
•ꢀ Packageꢀisꢀvisuallyꢀ
distinctꢀfromꢀfast-
actingꢀversionꢀforꢀeasyꢀ
identification.
Agency Approvals
Agency
Agency File number
e10480
Ampere rAnge
500mA - 3A
•ꢀ Productꢀisꢀcompatibleꢀ
withꢀlead-freeꢀsoldersꢀ
andꢀhigherꢀtemperatureꢀ
profiles.
•ꢀ Topꢀsideꢀmarkingꢀallowsꢀ
visualꢀverificationꢀofꢀ
amperageꢀrating.
lr29862
500mA - 3A
•ꢀ Timeꢀdelayꢀfeatureꢀ
withstandsꢀhighꢀinrushꢀ
currentsꢀandꢀpreventsꢀ
nuisanceꢀopenings.
Electrical Characteristics for Series
% of Aꢀꢁꢂꢃꢂ
Oꢁꢂꢅꢄꢅꢆ Tꢄꢀꢂ at 25Oc
4ꢀhours,ꢀMinimum
ratꢄꢅꢆ
Applications
100%
200%
300%
800%
1ꢀsec.,ꢀMin.;ꢀ120ꢀsec.,ꢀMax.
0.05ꢀsec.,ꢀMin.;ꢀ1.5ꢀsec.,ꢀMax
0.0015ꢀsec.,ꢀMin.;ꢀ.05ꢀsec.,ꢀMax.
Secondaryꢀprotectionꢀforꢀspaceꢀconstrainedꢀapplications:
•ꢀ Cellꢀphones
•ꢀ DVDꢀplayers
•ꢀ Batteryꢀpacks
•ꢀ Digitalꢀcameras
•ꢀ Hardꢀdiskꢀdrives.
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
ratꢄꢅꢆ
Voꢇtaꢆꢂ
Dꢃoꢁ
i2t (A2sꢂꢉ)
(ꢀV)
0.50
1.00
1.50
2.00
2.50
.500
001.
01.5
002.
02.5
63
63
63
63
63
0.27000
0.08250
0.04750
0.03240
0.02240
0.0310
0.1270
0.2880
0.5060
1.0110
156.77
94.70
82.32
77.27
73.92
0.0784
0.0947
0.1235
0.1545
0.1848
x
x
x
x
x
x
x
x
x
x
50ꢀamperesꢀ@63ꢀ
VAC/VDC
35ꢀamperesꢀ@63ꢀVACꢀ
50ꢀamperesꢀ@63ꢀ
VDCꢀ
3.00
003.
32
50ꢀamperesꢀ@32ꢀ
VAC/VDC
0.01950
1.2700
72.95
0.2189
x
x
1. Measured at 10% of rated current, 25˚C.
2. Measured at rated voltage.
© 2009 Littelfuse, Inc.
468 Series
37
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/468.html for current information.
Revised: October 4, 2011
Surface Mount Fuses
®
Thin Film > 1206 Size > Slo-Blo > 468 Series
Temperature Rerating Curve
Average Time Current Curves
100
10
1
0.1
Note:
0.01
0.001
1.ꢀDeratingꢀdepictedꢀinꢀthisꢀcurveꢀisꢀinꢀadditionꢀtoꢀtheꢀstandardꢀderatingꢀofꢀ25%ꢀforꢀ
continuousꢀoperation.
Example:
ꢀ
ꢀ
Forꢀcontinuousꢀoperationꢀatꢀ70ꢀdegreesꢀcelsius,ꢀtheꢀfuseꢀshouldꢀbeꢀderatedasꢀfollows:
Iꢀ=ꢀ(0.75)(0.80)IRATꢀ=ꢀ(0.60)IRAT
0
1
10
100
Current in Amperes
2.ꢀTheꢀtemperatureꢀderatingꢀcurveꢀrepresentsꢀtheꢀnominalꢀconditions.ꢀForꢀquestionsꢀ
aboutꢀtemperatureꢀderatingꢀcurve,ꢀpleaseꢀconsultꢀLittelfuseꢀtechnicalꢀsupportꢀ
forꢀassistance.
Soldering Parameters
tP
rꢂflow coꢅdꢄtꢄoꢅ
- Tꢂꢀꢁꢂꢃatꢈꢃꢂ mꢄꢅ (T
Pbꢀ–ꢀFreeꢀassembly
TP
Critical Zone
Ramp-up
TL to TP
)
150°Cꢀ
s(ꢀꢄꢅ)
TL
TS(max)
pꢃꢂ Hꢂat - Tꢂꢀꢁꢂꢃatꢈꢃꢂ max (T
)
200°C
tL
s(ꢀax)
- Tꢄꢀꢂ (mꢄꢅ to max) (ts)
60ꢀ–ꢀ180ꢀsecs
Ramp-down
Avꢂꢃaꢆꢂ ꢃaꢀꢁ ꢈꢁ ꢃatꢂ (lꢄqꢈꢄdꢈs Tꢂꢀꢁ
(Tl) to ꢁꢂak
Preheat
5°C/secondꢀmax
TS(min)
tS
TS(ꢀax) to Tl - raꢀꢁ-ꢈꢁ ratꢂ
5°C/secondꢀmax
- Tꢂꢀꢁꢂꢃatꢈꢃꢂ (Tl) (lꢄqꢈꢄdꢈs) 217°Cꢀ
25
rꢂflow
time to peak temperature
(t 25ºC to peak)
- Tꢂꢀꢁꢂꢃatꢈꢃꢂ (tl)
60ꢀ–ꢀ150ꢀseconds
250+0/-5ꢀ°C
Time
pꢂak Tꢂꢀꢁꢂꢃatꢈꢃꢂ (Tp)
Tꢄꢀꢂ wꢄthꢄꢅ 5°c of aꢉtꢈaꢇ ꢁꢂak
Tꢂꢀꢁꢂꢃatꢈꢃꢂ (tꢁ)
20ꢀ–ꢀ40ꢀseconds
raꢀꢁ-dowꢅ ratꢂ
5°C/secondꢀmax
8ꢀminutesꢀMax.
260°C
Tꢄꢀꢂ 25°c to ꢁꢂak Tꢂꢀꢁꢂꢃatꢈꢃꢂ (Tp)
Do ꢅot ꢂxꢉꢂꢂd
Wavꢂ Soꢇdꢂꢃꢄꢅꢆ
260°C,ꢀ10ꢀsecondsꢀmax.
© 2009 Littelfuse, Inc.
468 Series
38
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/468.html for current information.
Surface Mount Fuses
Thin Film > 1206 Size > Slo-Blo > 468 Series
®
Product Characteristics
Withstandsꢀ10-55ꢀHzꢀperꢀMIL-STD-
202F,ꢀMethodꢀ201Aꢀand
10-2000ꢀHzꢀatꢀ20ꢀG’sꢀperꢀMIL-STD-
202F,ꢀMethodꢀ204D,ꢀConditionꢀD
Body:ꢀEpoxyꢀSubstrate
Terminations:ꢀ100%ꢀTinꢀoverꢀNickelꢀover
Copper
Vibration
Materials
Element Cover Coat:ꢀConformalꢀCoating
Insulation Resistance
(After Opening)
–55OCꢀtoꢀ90OC.ꢀConsultꢀtemperature
reratingꢀcurveꢀchart.ꢀForꢀoperationꢀaboveꢀ
90°CꢀpleaseꢀcontactꢀLittelfuse
Greaterꢀthanꢀ10,000ꢀohms.ꢀ
Operating
Temperature
Resistance to
Soldering Heat
MIL-STD-202G,ꢀMethodꢀ210F,ꢀꢀꢀꢀ
ConditionꢀD
Thermal Shock
Humidity
Withstandsꢀ5ꢀcyclesꢀofꢀ–ꢀ50OCꢀtoꢀ125OC
MIL-STD-202F,ꢀMethodꢀ103B,ꢀConditionꢀD
Dimensions
Part Marking System
MARKING CODE VARIES
WITH AMPERAGE RATING
(SEE CHART)
Aꢀꢁ
codꢂ
maꢃkꢄꢅꢆ
codꢂ
.66
(.026")
.500ꢀ
001.ꢀ
01.5ꢀ
002.ꢀ
02.5ꢀ
003.ꢀ
TF
TH
TK
TN
TO
TP
.58
(.023")
1.27
(.050")
Coating
1.52
(.060")
3.18
(.125")
Part Numbering System
0468002.NRHF
1.65
(.065")
SERIES
1.52
4.83
(.190")
(.060")
1.52
3.81
AMP Code
(.060")
(.150")
TheꢀdotꢀisꢀpoisitionedꢀbeforeꢀtheꢀPack-
agingꢀSuffixꢀwithꢀwholeꢀratingsꢀandꢀ
withinꢀtheꢀnumberingꢀsequenceꢀforꢀ
fractionalꢀratings.ꢀReferꢀtoꢀAmpꢀCodeꢀ
columnꢀinꢀtheꢀElectricalꢀSpecificationsꢀ
table.ꢀ
1.14
(.045")
2.03
2.03
(.080")
(.080")
Eꢃample:
WAVE SOLDER
INFARED SOLDER
1.5ꢀampꢀproductꢀisꢀ
046801.5NRHFꢀ(2ꢀampꢀ
productꢀshownꢀabove).
PACKAꢂINꢂ Code
NRꢀ=ꢀTapeꢀandꢀReel,ꢀ5000ꢀpcs
‘HF’ SꢀFFIx
HAꢁOꢂEN FREE ITEM
Packaging
Qꢈaꢅtꢄtꢊ &
paꢉkaꢆꢄꢅꢆ codꢂ
paꢉkaꢆꢄꢅꢆ Oꢁtꢄoꢅ
paꢉkaꢆꢄꢅꢆ Sꢁꢂꢉꢄfiꢉatꢄoꢅ
Qꢈaꢅtꢄtꢊ
Tapeꢀ&ꢀReelꢀ–ꢀ8mmꢀtape
EIA-481ꢀRev.ꢀDꢀ(IECꢀ60286,ꢀpartꢀ3)
5000
NR
© 2009 Littelfuse, Inc.
468 Series
39
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/468.html for current information.
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