
373
Surface Mount Fuses
www.littelfuse.com
Thin-Film Surface Mount
SlimLine
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
Rating
100%
200%
300%
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:
–55°C to 90°C. Consult temperature
rerating chart on page 4. For operation above 90°C contact Littelfuse.
Vibration:
Per MIL-STD-202F.
Insulation Resistance (After Opening):
Greater than 10,000 ohms.
Resistance To Soldering Heat:
Withstands 60 seconds above 200°C
up to 260°C, maximum.
Thermal Shock:
Withstands 5 cycles of –55°C to 125°C.
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— 260°C, 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.
Opening
Time at 25
°
C
4 hours,
Min
imum
5 seconds,
Max
imum
0.2 seconds,
Max
imum
PATENTED
ORDERING INFORMATION:
Nominal
Resistance
Cold Ohm
1
0.220
0.185
0.150
0.105
0.072
0.060
0.047
0.038
0.030
Nominal
Melting I
2
t
(A
2
Sec.)
0.0025
0.0035
0.0053
0.012
0.020
0.035
0.056
0.075
0.100
Catalog
Number
0435
.250
0435
.375
0435
.500
0435
.750
0435
001.
0435
1.25
0435
01.5
0435
1.75
0435
002.
Ampere
Rating
.25
.375
.5
.75
1
1.25
1.5
1.75
2
Voltage
Rating
32
32
32
32
32
32
32
32
32
1
Measured at 10% of rated current, 25°C.
2
Measured at rated voltage.
T
CURRENT IN AMPERES
0.01
0.1
0.1
1
1
10
100
10
100
0.001
2
1
1
1
.
.
.
.
1
.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
S
F