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© 2009 Littelfuse, Inc.
Specifications are subject to change without notice.
Surface Mount Fuses
468 Series
Thin Film > 1206 Size > Slo-Blo® > 468 Series
Please refer to www.littelfuse.com/series/468.html for current information.
468 Series
468 Series Fuse
Description
Agency Approvals
AGENCY AGENCY FILE NUMBER AMPERE RANGE
E10480 500MA - 3A
LR29862 500MA - 3A
Electrical Characteristics for Series
Features
• Complieswith
electronicindustry
environmentalstandards
forleadreduction.
• Productiscompatible
withlead-freesolders
andhighertemperature
proles.
• Timedelayfeature
withstandshighinrush
currentsandprevents
nuisanceopenings.
• Packageisvisually
distinctfromfast-
actingversionforeasy
identication.
• Topsidemarkingallows
visualvericationof
amperagerating.
% of Ampere
Rating Opening Time at 25OC
100% 4hours,Minimum
200% 1sec.,Min.;120sec.,Max.
300% 0.05sec.,Min.;1.5sec.,Max
800% 0.0015sec.,Min.;.05sec.,Max.
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
0.50 .500 63
50amperes@63
VAC/VDC
0.27000 0.0310 156.77 0.0784 x x
1.00 001. 63 0.08250 0.1270 94.70 0.0947 x x
1.50 01.5 63 0.04750 0.2880 82.32 0.1235 x x
2.00 002. 63 35amperes@63VAC
50amperes@63
VDC
0.03240 0.5060 77.27 0.1545 x x
2.50 02.5 63 0.02240 1.0110 73.92 0.1848 x x
3.00 003. 32 50amperes@32
VAC/VDC
0.01950 1.2700 72.95 0.2189 x x
Electrical Specifications by Item
1. Measured at 10% of rated current, 25˚C.
2. Measured at rated voltage.
The468SeriesTime-Lag(Slo-Blo®)SMFisasmall(1206
size)thin-lmdevicedesignedforsecondaryprotection
ofcircuitsusedinspaceconstrainedapplicationssuchas
hand-heldportableelectronicdevices.
Thisseriesis100%lead-freeandmeetstherequirements
oftheRoHSdirective.NewHalogen-Free468Series
fusesareavailable–toorderusethe“HF”sufx.SeePart
Numberingsectionforadditionalinformation.
• Cellphones
• Batterypacks
• Digitalcameras
• DVDplayers
• Harddiskdrives.
Secondaryprotectionforspaceconstrainedapplications:
Revised: October 4, 2011