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© 2009 Littelfuse, Inc.
Specications are subject to change without notice.
Surface Mount Fuses
435 Series
Thin Film > 0402 Size > Very Fast-Acting > 435 Series
Please refer to www.littelfuse.com/series/435.html for current information.
435 Series
435 Series Fuse
Description
Agency Approvals
AGENCY AGENCY FILE NUMBER AMPERE RANGE
E10480 0.250 - 5.0A
LR 29862 0.250 - 5.0A
Electrical Characteristics for Series
Features
• 35Ainterruptratingat
32VDC
• Smallsizewithcurrent
ratingsof0.25to5.0
amperes
• RoHScompliant,lead-
freeandhalogen-free
• Maximumprotection
ofsensitivecircuits
asfusesaredesigned
toopenconsistently
in<5secat200%
overload.
• EnhancedBreaking
Capacity,Highl2t
% of Ampere
Rating
Ampere
Rating Opening Time at 25OC
100% 0.250A-5A 4hours,Minimum
200% 0.375A-5A 5secs.,Maximum
300% 0.250A 5secs.,Maximum
300% 0.375A-5A 0.2sec.,Maximum
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 .250 32
35A@32VDC
0.2265 0.0025 60.67 0.01517 x x
0.375 .375 32 0.1930 0.0035 84.64 0.03174 x x
0.500 .500 32 0.1600 0.0053 93.35 0.04668 x x
0.750 .750 32 0.1050 0.0120 101.84 0.07638 x x
1.00 001. 32 0.0730 0.0200 87.45 0.08745 x x
1.25 1.25 32 0.0600 0.0350 96.37 0.12046 x x
1.50 01.5 32 0.0470 0.0560 86.70 0.13005 x x
1.75 1.75 32 0.0390 0.0750 81.13 0.14198 x x
2.00 002. 32 0.0300 0.1000 70.62 0.14120 x x
2.50 02.5 32 0.0185 0.1560 55.25 0.13813 x x
3.00 003. 32 0.0165 0.2032 60.58 0.18740 x x
3.50 03.5 32 0.0135 0.3017 57.84 0.20244 x x
4.00 004. 32 0.0115 0.3084 57.00 0.22800 x x
5.00 005. 32 0.0085 0.5310 52.44 0.26220 x x
Electrical Specications by Item
1. Measuredat10%ofratedcurrent,25ºC.
2.Measuredatratedvoltage.
The435Seriesarefast-actingsurfacemountthin-lm
fuses.Theirultra-smallsize(0402size)makesthemidealfor
secondaryprotectionofcircuitsusedinspaceconstrained
applicationssuchashand-heldportableelectronicdevices.
Thisseriesis100%lead-freeandmeettherequirementsof
theRoHSdirective.NewHalogen-Free435Seriesfusesare
available–toorderusethe“HF”sufx.SeePartNumbering
sectionforadditionalinformation.
Applications
• Cellphones
• Batterypacks
• Digitalcameras
• DVDplayers
• Harddiskdrives.
Secondaryprotectionforspaceconstrainedapplications
suchas:
Revised: Jun 16, 2011