Surface Mount Fuses
41
© 2009 Littelfuse, Inc.
Specifications are subject to change without notice.
467 Series
Thin Film > 0603 Size > Very Fast-Acting > 467 Series
Please refer to www.littelfuse.com/series/467.html for current information.
467 Series
467 Series Fuse
Description
Agency Approvals
AGENCY AGENCY FILE NUMBER AMPERE RANGE
E10480 250MA - 5A
LR29862 250MA - 5A
Electrical Characteristics for Series
Features
• Compatiblewithlead-
freesoldersandhigher
temperatureproles.
• Highperformance
materialsprovide
improvedperformance
inelevatedambient
temperatureapplications.
• Markedontopsurface
withcodetoallowamp
ratingidentication
withouttesting.
• Lowproleforheight
sensitiveapplications.
• Flattopsurfaceforpick-
and-placeoperations.
• Elementcovering
materialisresistant
toindustrystandard
cleaningoperations.
• Mountingpadand
electricalperformanceis
identicaltoLittelfuse431
and434Seriesproducts.
• Alloybasedelement
constructionprovides
superiorinrushwithstand
characteristics(I2t)over
ceramicorglassbased
0603fuseproducts.
% of Ampere
Rating Opening Time at 25OC
100% 4hours,Minimum
200% 5sec.,Maximum
300% 0.2sec.,Maximum Applications
The467SeriesFast-ActingSMFisanultrasmall(0603
size)thin-lmdevicedesignedforsecondaryprotection
ofcircuitsusedinspaceconstrainedapplicationssuch
ashand-heldportableelectronicdevices.Thisseries
is100%lead-freeandmeetstherequirementsofthe
RoHSdirective.NewHalogen-Free467Seriesfusesare
available–toorderusethe“HF”sufx.SeePartNumbering
sectionforadditionalinformation..
• Cellphones
• Batterypacks
• Digitalcameras
• DVDplayers
• Harddisk
drives.
Secondaryprotectionforspaceconstrainedapplications:
Ampere
Rating
(A)
Amp
Code
Max
Voltage
Rating
(V)
Interrupting
Rating
Nominal Cold
Resistance
(Ohms)
Nominal
Melting
I2t (A2sec)
Nom
Voltage
Drop
(mV)
Nom
Power
Dissipation
(W)
Agency Approvals
0.250 .25032
50A@32VAC/DC
0.5450 0.0030 158.56 0.0396 x x
0.375 .375 32 0.2900 0.0053 128.03 0.0480 x x
0.500 .500 32 0.1870 0.0087 115.71 0.0579 x x
0.750 .750 32 0.1170 0.0171 107.33 0.0805 x x
1.00 001. 32 0.0710 0.0212 89.10 0.0891 x x
1.25 1.25 32 35A@32VAC/DC
13A@65VDC
0.0530 0.0518 84.32 0.1054 x x
1.50 01.5 32 0.0410 0.0766 81.14 0.1217 x x
1.75 1.75 32
35A@32VAC/DC
0.0320 0.0903 78.75 0.1378 x x
2.00 002. 32 0.0300 0.1103 78.22 0.1564 x x
2.50 02.5 32 0.0220 0.1440 76.10 0.1903 x x
3.00 003. 32 0.0180 0.2403 75.04 0.2251 x x
3.50 03.5 32 0.0150 0.4306 74.25 0.2599 x x
4.00 004. 32 0.0130 0.5760 73.72 0.2949 x x
5.00 005. 32 0.0090 0.9000 72.71 0.3635 x x
Electrical Specifications by Item
1. Measured at 10% of rated current, 25ºC. 2. Measured at rated voltage.
Revised: January 10, 2012
Introduction to Circuit Protection
Introduction to Circuit Protection
Transientology
42 © 2009 Littelfuse, Inc.
Specifications are subject to change without notice.
Surface Mount Fuses
467 Series
Thin Film > 0603 Size > Very Fast-Acting > 467 Series
Please refer to www.littelfuse.com/series/467.html for current information.
Average Time Current Curves
TIME IN SECONDS
CURRENT IN AMPERES
0.01
0.1
0.1
1
1
10
100
10 100
0.001
3.50 A
3.00 A
2.50 A
2.00 A
1.75 A
1.50 A
1.25 A
1.00 A
0.750 A
0.500 A
0.375 A
0.250 A
4.00 A
5.00 A
Temperature Rerating Curve
Reflow Condition Pb–Freeassembly
Pre Heat
- Temperature Min (Ts(min))150°C
- Temperature Max (Ts(max))200°C
- Time (Min to Max) (ts)60–180secs
Average ramp up rate (Liquidus Temp
(TL) to peak 5°C/secondmax
TS(max) to TL - Ramp-up Rate 5°C/secondmax
Reflow - Temperature (TL) (Liquidus) 217°C
- Temperature (tL)60–150seconds
Peak Temperature (TP)250+0/-5°C
Time within 5°C of actual peak
Temperature (tp)20–40seconds
Ramp-down Rate 5°C/secondmax
Time 25°C to peak Temperature (TP)8minutesMax.
Do not exceed 260°C
Soldering Parameters
Wave Soldering 260°C,10secondsmax.
Note:
1.Deratingdepictedinthiscurveisinadditiontothestandardderatingof25%for
continuousoperation.
Example:
Forcontinuousoperationat70degreescelsius,thefuseshouldbederatedasfollows:
I=(0.75)(0.80)IRAT=(0.60)IR AT
2.Thetemperaturederatingcurverepresentsthenominalconditions.Forquestions
abouttemperaturederatingcurve,pleaseconsultLittelfusetechnicalsupport
forassistance.
Time
Temperature
TP
TL
TS(max)
TS(min)
25
tP
tL
tS
time to peak temperature
(t 25ºC to peak)
Ramp-down
Ramp-up
Preheat
Critical Zone
TL to TP
43
© 2009 Littelfuse, Inc.
Specifications are subject to change without notice.
Surface Mount Fuses
467 Series
Thin Film > 0603 Size > Very Fast-Acting > 467 Series
Please refer to www.littelfuse.com/series/467.html for current information.
467 Series
Materials
Body: AdvancedHighTemperatureSubstrate
Terminations:100%TinoverNickelover
Copper
Element Cover Coat: ConformalCoating
Operating
Temperature
–55OCto90OC.Consulttemperaturererating
curvechart.Foroperationabove90°Ccontact
Littelfuse.
Humidity MIL-STD-202F,Method103B,ConditionD
Thermal Shock Withstands5cyclesof–55OCto125OC
Vibration PerMIL-STD-202F
Insulation Resistance
(After Opening) Greaterthan10,000ohms.
Product Characteristics
Dimensions Part Marking System
1.09
(.043")
REFLOW SOLDER
1.60
(.063") .305
(.012")
.279
(.011")
.18
(.007")
.127
(.005")
MARKING CODE VARIES
WITH AMPERAGE RATING
(SEE CHART)
R
REF.
1.02
(.040")
.762
(.030")
2.54
(.100")
1.09
(.043")
WAVE SOLDER
3.20
(.126")
1.09
(.043")
1.02
(.040")
.813
(.032")
Sn
Sn
Cu
Sn
Coating
Amp
Code
Marking
Code
.250 D
.375 E
.500 F
.750 G
001. H
1.25 J
01.5 K
1.75 L
002. N
02.5 O
003. P
03.5 R
004. S
005. T
Part Numbering System
Packaging
Packaging Option Packaging Specification Quantity Quantity &
Packaging Code
8mmTapeandReel EIA-481Rev.D(IEC60286,part3) 5000 NR
0467002.NRHF
SERIES
AMP Code
‘HF’ SUFFIX
HALOGEN FREE ITEM
PACKAGING Code
ThedotispoisitionedbeforethePack-
agingSufxwithwholeratingsand
withinthenumberingsequencefor
fractionalratings.RefertoAmpCode
columnintheElectricalSpecications
table.
NR=TapeandReel,5000pcs
Example:
1.5ampproductis
046701.5NRHF(2amp
productshownabove).