Surface Mount Fuses
Thin-Film Surface Mount
RoHS
Pb
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%
Opening
Time at 25
°
C
4 hours,
Minimum
5 seconds,
Maximum
0.2 seconds,
Maximum
Reference Dimensions:
1.04
(.041")
Cu
.30
(.012")
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.
.51
(.020")
.18
(.007")
Sn
Marking Codes:
.584
(.023")
.381
(.015")
.250
.375
.5
.750
.558
(.022")
REFLOW SOLDER
2.0
1.0
1.25
1.5
1.75
PHYSICAL SPECIFICATIONS:
Materials:
Body: Epoxy Substrate
Terminations: 100% Copper/Nickel/Tin
Cover Coat: Conformal Coating
10
SURFACE MOUNT
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.
Average Time Current Curves
.25A
.375A
100
.5A
.75A
1A
1.25A
1.5A
1.75A
2A
1
10
CURRENT IN AMPERES
PATENTED
ORDERING INFORMATION:
Catalog
Number
0435.250
0435.375
0435.500
0435.750
0435
001.
0435
1.25
0435
01.5
0435
1.75
0435
002.
1
2
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
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
10
TIME IN SECONDS
1
0.1
Measured at 10% of rated current, 25°C.
Measured at rated voltage.
0.01
0.001
0.1
100
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373
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