373
Surface Mount Fuses
w w w . l i t t e l f u s e . c o m
Thin-Film Surface Mount
SlimLine
TM
Lead-Free 0402
Very Fast-Acting Fuse 435 Series
RoHS compliant and Lead-Free
The SlimLine 0402 fuse is the world's smallest fuse available.
Ideal for space sensitive applications including disc drives and
handheld devices including mobile phones, cameras and personal
communication devices.
The low profile flat surface and full-faced termination are designed for
superior performance in surface mount assembly processes.
ELECTRICAL CHARACTERISTICS:
% of Ampere
Opening
Rating
Time at 25
C
100%
4 hours, Minimum
200%
5 seconds, Maximum
300%
0.2 seconds, Maximum
AGENCY APPROVALS:
Recognized under the Components Program
of Underwriters Laboratories and Certified by CSA.
AGENCY FILE NUMBERS:
UL E10480, CSA LR 29862.
INTERRUPTING RATINGS:
35A @ 32 VDC
ENVIRONMENTAL SPECIFICATIONS:
Operating Temperature:
55C to 90C. Consult temperature
rerating chart on page 4. For operation above 90C contact Littelfuse.
Vibration:
Per MIL-STD-202F.
Insulation Resistance (After Opening):
Greater than 10,000 ohms.
Resistance To Soldering Heat:
Withstands 60 seconds above 200C
up to 260C, maximum.
Thermal Shock:
Withstands 5 cycles of 55C to 125C.
PHYSICAL SPECIFICATIONS:
Materials:
Body: Epoxy Substrate
Terminations: 100% Copper/Nickel/Tin
Cover Coat: Conformal Coating
Soldering Parameters(see page 3 for typical soldering profile):
Reflow Solder-- 260C, 30 seconds maximum
PACKAGING SPECIFICATIONS:
8mm Paper Tape and Reel per
EIA-RS481-1 (IEC 286, part 3); 10,000 per reel, add packaging suffix, KR.
PATENTED
ORDERING INFORMATION:
Nominal
Nominal
Catalog
Ampere
Voltage
Resistance
Melting I
2
t
Number
Rating
Rating
Cold Ohm
1
(A
2
Sec.)
0435.250
.25
32
0.220
0.0025
0435.375
.375
32
0.185
0.0035
0435.500
.5
32
0.150
0.0053
0435.750
.75
32
0.105
0.012
0435 001.
1
32
0.072
0.020
0435 1.25
1.25
32
0.060
0.035
0435 01.5
1.5
32
0.047
0.056
0435 1.75
1.75
32
0.038
0.075
0435 002.
2
32
0.030
0.100
1
Measured at 10% of rated current, 25C.
2
Measured at rated voltage.
TIME IN SECONDS
CURRENT IN AMPERES
0.01
0.1
0.1
1
1
10
100
10
100
0.001
2A
1.5A
1.25A
1A
.5A
.25A
.375A
.75A
1.75A
.558
(.022")
REFLOW SOLDER
1.04
(.041")
.30
(.012")
.18
(.007")
Cu
Sn
.51
(.020")
.381
(.015")
.584
(.023")
Marking Codes:
.250
.375
.5
.750
1.0
1.25
1.5
1.75
2.0
Reference Dimensions:
Average Time Current Curves
Pb
RoHS
10
SURF
A
CE MOUNT
FUSES
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